Major volcanic eruptions. Medical search. Frequent questions

They found that the wave generated by the Beirut blast was slightly larger than a wave generated by the 2004 eruption of Asama Volcano in central Japan, and comparable to ones that followed other recent eruptions on Japanese islands. (scitechdaily.com)
Rust, A.C. (2007), "Tseax Volcano: A Deadly Basaltic Eruption in North-Western British Columbia's Stikine Volcanic Belt", Geological Society of America 103rd Annual Meeting, retrieved 23 February 2019 Higgins, M.D. (2009). (wikipedia.org)
However, Columbia University volcanologists found that the eruption of Costa Rica's Irazú Volcano in 1963 was likely triggered by magma that took a nonstop route from the mantle over just a few months. (wikipedia.org)
This new eruption promises even more insights as the nascent volcano forges the world's youngest land. (nationalgeographic.com)
Geologists monitor the volcano very closely in order to know when the next eruption will start. (hotelranga.is)
In a social media post Ardern said communication had been difficult following the eruption of the underground volcano Hunga Tonga-Hunga Haʻapai last night. (nzherald.co.nz)
These nodules trapped and preserved the final magma beneath the volcano immediately before eruption. (southampton.ac.uk)
Co-author of the study, Dr Tom Gernon, Lecturer in Ocean and Earth Science at the University of Southampton, says: "The analysis of crystal nodules from the volcano documents the final processes and changes immediately prior to eruption - those triggering the catastrophic eruptions. (southampton.ac.uk)
The Las Cañadas volcano is an IAVCEI (International Association of Volcanology and Chemistry of the Earth's Interior) Decade Volcano - identified by the international community as being worthy of particular study in light of their history of large, destructive eruptions and proximity to populated area. (southampton.ac.uk)
It doesn't suggest that what has been concluded about this specific volcano applies to other volcanic systems around the world, so we can't really generalize. (iflscience.com)
While some eruptions may be safely observed from distance, many eruptions, especially if explosive, may be hazardous to the populations and the environment around the volcano, including the animals, plants, and manmade structures. (frontiersin.org)
Figure 1 - (A) The Mount St. Helens volcano (USA) before (left) and after (right) the 1980 eruption (Image credit: USGS). (frontiersin.org)
(B) The eruption of the Usu volcano (Japan) in 2000 changed the ground below the house, covered the roof with volcanic ash, and pierced the roof with falling bombs of magma. (frontiersin.org)
The nearly continuous supply of magma to Kilauea pumps heat into the geothermal resource, but it also fuels eruptions that could threaten structures on the volcano. (evwind.es)
HONOLULU (AP) - The latest eruption of a Hawaii volcano isn't threatening any infrastructure but health officials are warning the public about air-quality hazards from volcanic smog known as vog . (yahoo.com)
Merapi volcano, eruption at night. (ancient-origins.net)
The volcanic ash being spewed by the Puyehue Volcano in Chile has caused safety alerts and affected many flights not only across Latin America but as far as Australia and New Zealand. (journalweek.com)
Although the volcano is in the remote area, more than 1000 residents were evacuated due to the volcanic ash and danger of debris and landslides. (journalweek.com)

We present the first attempt to constrain the climatic impact of volcanic eruptions with return periods of hundreds of years by the oxygen isotope records of Greenland and Antarctic ice cores covering the last glacial period. (copernicus.org)
To reduce the impact of volcanic eruptions on humans and the environment, scientists called volcanologists must be able to forecast when and where volcanoes are going to erupt. (frontiersin.org)

Iceland has declared a state of emergency due to a high risk of a volcanic eruption. (yahoo.com)
Iceland has seen increased eruptions since 2021, a possible sign of a new era of volcanic activity. (yahoo.com)
Iceland has declared a state of emergency and told people to evacuate the city of Grindavík in the southwest of the country due to a possible volcanic eruption. (yahoo.com)
The Reykjanes Peninsula, the area where Grindavík is located, has seen volcanic eruptions as often as every 12 months since 2021, with the latest coming in August 2023, according to the Icelandic tourism website Visit Iceland. (yahoo.com)
ET: New data from the Iceland Meteorological Agency Monday evening has indicated that an explosive eruption is now unlikely after initial fears that it was within the realm of possibility. (yahoo.com)
As volcanic and seismic activity continues to rattle southwestern Iceland with thousands of small earthquakes, scientists remain on alert, still declaring that there is a 'significant likelihood' of volcanic eruption in the coming days. (yahoo.com)
When we start to have eruptions on Iceland, there is an impact for the U.S. and Europe because of the pathways the planes take to get from the U.S. over to Europe fly right over Iceland,' says FOX Weather Meteorologist Britta Merwin . (yahoo.com)
FILE - REYKJAVIK, ICELAND - MAY 15, 2010: Ash plume from Iceland's Eyjafjallajokull crater during it's eruption, spewing tephra and ashes that drift toward continental Europe on May 15, 2010 near Reykjavik, Iceland. (yahoo.com)
Iceland is bracing for a volcanic eruption. (yahoo.com)
Read our blog to learn all about volcanic eruptions in Iceland. (hotelranga.is)
Iceland is known as the land of fire and ice for a good reason-the country is home to over 30 active volcanic systems, many of which are found underneath icy glaciers. (hotelranga.is)
Over the last centuries, there have been several particularly intense volcanic eruptions in Iceland. (hotelranga.is)
In more recent years, Iceland has made global headlines due to volcanic eruptions that have stopped air travel and provided the world with brilliant imagery of epic lava flows. (hotelranga.is)
By comparison, even the smallest of these eruptions expelled over 25 times more material than the 2010 eruption of Eyjafjallajökull, Iceland. (southampton.ac.uk)
Scientists in Iceland say that a major volcanic eruption could occur within days. (kcts9.org)
During the Eyjafjallajokull eruption in Iceland in 2010, for example, the ash cloud from the eruption spread through the atmosphere and halted the air traffic over Europe for several days, stranding 10 million passengers and resulting in the loss of $5 billion (US). (frontiersin.org)
The government of Iceland said on its website Thursday that there was a volcanic tremor pulse near Mt. Keilir, which is located on the peninsula, on Wednesday. (yahoo.com)
The last major volcanic eruption in southern Iceland occurred in 2010. (yahoo.com)

The country does experience regular volcanic eruptions, earthquakes, and tsunamis. (state.gov)

Some volcanoes have undergone catastrophic eruptions, killing large numbers of humans or other life forms. (wikipedia.org)
Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. (wikipedia.org)
Some volcanoes exhibit lateral and Fissure eruptions . (wikipedia.org)
An abstract , presented at the annual gathering of the European Geosciences Union (EGU) in Vienna this week, has caused quite a stir: it concludes that glacial retreat atop volcanoes can trigger landslides that destabilize underlying magma chambers, possibly triggering an eruption. (iflscience.com)
This has caused some to propose that, if runaway climate change continues to eat away at glacier-topped volcanoes, then we're likely to experience an uptick in eruptions in various parts of the world. (iflscience.com)
This means that decreasing ice volumes due to climate change will not cause volcanoes to erupt that were not close to eruption anyway. (iflscience.com)
in particular, Valerio has coordinated large research projects on the major Italian volcanoes, as Etna and Campi Flegrei. (frontiersin.org)
Although volcanoes commonly provide several kinds of warnings before erupting, there is no single warning signal that allows volcanologists to accurately predict every eruption. (frontiersin.org)
In the next decades, as volcanologists improve monitoring systems and better understand the processes happening inside volcanoes, more precise eruption forecasts will be possible. (frontiersin.org)
Development of geothermal resources may also be possible on volcanoes with less frequent eruptions than Kilauea, such as Hualalai, Haleakala, or Mauna Kea. (evwind.es)
This includes balancing the considerable benefits of geothermal resource development with the inherent volcanic risk of such development on active volcanoes. (evwind.es)

Tambora-sized eruptions appear to erupt once or twice every thousand years, so the wait for that may be shorter," said Svensson. (naturalnews.com)
In order for a volcanic eruption to be triggered by a decrease in load… the magma chamber also needs to be ready to erupt," Alison Graettinger, Assistant Professor of Geosciences at the University of Missouri, points out . (iflscience.com)

Many of these were larger than any eruption over the last 2,500 years," said Anders Svensson of the University of Copenhagen 's Niels Bohr Institute. (naturalnews.com)
A total of 25 volcanic eruptions are found to be larger than any eruption in the last 2500 years, and we identify more eruptions than obtained from geological evidence. (copernicus.org)

Apart from the potential devastation that could be unleashed at Yellowstone, the eruption of Mount St. Helens in 1980 killed 57 people, inflicted more than a billion dollars worth of damage. (thedailybeast.com)

There are two types of eruptions in terms of activity, explosive eruptions and effusive eruptions . (wikipedia.org)
These types of eruptions, the government said, entail a 'slow flow' of lava rather than large explosions or significant ash. (yahoo.com)

Nevertheless, as earthquakes began to crescendo in both frequency and strength from late 2019 onwards, scientists suspected that an eruption sometime in the future seemed inevitable. (nationalgeographic.com)
Unknown Earth: Can we predict earthquakes and volcanic eruptions? (newscientist.com)
Volcanic eruptions and earthquakes are tangible proof that we live on a planet made up of fidgeting tectonic plates. (newscientist.com)
Similar to the current event, the Eyjafjallajökull eruption happened after a month filled with thousands of small earthquakes. (yahoo.com)

For this reason, there is a great deal of interest in mapping the significant eruptions of the past since they can assist scientists to look into the future. (naturalnews.com)
Nowadays, scientists speculate that this volcanic activity affected weather systems across Europe and perhaps even Africa and Asia. (hotelranga.is)
Scientists from the University of Southampton have identified a repeating trigger for the largest explosive volcanic eruptions on Earth. (southampton.ac.uk)
By analysing crystal cumulate nodules (igneous rocks formed by the accumulation of crystals in magma) discovered in pyroclastic deposits of major eruptions, the scientists found that pre-eruptive mixing within the magma chamber - where older cooler magma mixed with younger hotter magma - appears to be the repeating trigger in large-scale eruptions. (southampton.ac.uk)
They are prepared with an escape route if something happens and will receive alerts from scientists at the Met Office if there are any indications an eruption is more imminent than it already is. (yahoo.com)
By 2016 when scientists returned to the site in April and December with remotely operated vehicles Deep Discoverer and SuBastian , the observations showed a rapidly declining hydrothermal venting on the lava flows, suggesting the eruption had taken place only months before its discovery the previous year. (noaa.gov)
In the last 30 years, scientists utilizing improving technology and exploration methods have detected evidence of about 40 undersea eruptions. (noaa.gov)
To reduce harm caused by eruptions, scientists called volcanologists attempt to forecast eruptions. (frontiersin.org)
Instead, data from various types of monitoring instruments are combined to help scientists forecast eruptions at least a few days in advance. (frontiersin.org)
In a 1994 USGS publication (pubs.usgs.gov/of/1994/0553/rep…, HVO scientists estimated a high probability of eruptions from Kilauea's lower east rift zone within any 50-year period. (evwind.es)
In 2007, two Canadian scientists studying the effects of this cycle on the Pacific coast of North America successfully predicted the occurrence of a major El Niño event in 2015 based on lunar data. (judithcurry.com)

An eruption is still expected and imminent but we just don't know when or where. (yahoo.com)
While the government originally said that this 'could lead to an imminent volcanic eruption,' the Scientific Council for Civil Protection said on Friday that data from the past 24 hours 'do not give any indication that magma is moving closer to the surface. (yahoo.com)

Luckily, these destructive events are rare-usually occurring approximately once every 100,000 years-whereas the most frequent eruptions, occurring approximately every week, are mild and impact only small areas. (frontiersin.org)

These catastrophic events have resulted in eruption columns of over 25km high and expelled widespread pyroclastic material over 130km. (southampton.ac.uk)
The catastrophic eruption was the deadliest natural disaster of the 19th century, causing the loudest noise yet recorded, and sending perceptible shock waves around planet earth seven times, according to the United States Geological Survey. (thedailybeast.com)

Historical accounts and studies of ancient volcanic rocks show that times of volcanic repose transition into loud seismic and eruptive awakenings in a cycle that's transpired several times in the past few millennia. (nationalgeographic.com)
To reconstruct ancient volcanic eruptions, ice cores offer a few advantages over other methods. (naturalnews.com)

Volcanic eruptions can be highly explosive. (wikipedia.org)
Explosive eruptions are characterized by gas-driven explosions that propels magma and tephra. (wikipedia.org)
[1] Effusive eruptions, meanwhile, are characterized by the outpouring of lava without significant explosive eruption. (wikipedia.org)
On the other extreme, Plinian eruptions are large, violent, and highly dangerous explosive events. (wikipedia.org)
But an explosive eruption would send volcanic ash, smoke, and magma into the atmosphere , leading to impacts of flights that cross the Atlantic, says FOX Weather Senior Meteorologist Jordan Overton. (yahoo.com)
If an explosive eruption occurred and generated a large ash cloud, one scenario would have ash blown west toward Greenland, then veering back to the north then east toward Northern Europe , according to the FOX Forecast Center. (yahoo.com)
Stirring young hot magma into older, cooler magma appears to be a common event before these explosive eruptions. (southampton.ac.uk)
The 21st century has been lacking in explosive eruptions of the kind that can severely affect monsoon patterns. (ancient-origins.net)

Report on Dieng Volcanic Complex (Indonesia) - March 1979. (wikipedia.org)
The researchers were able to identify 85 of the volcanic eruptions as large global eruptions with 69 of them estimated to be bigger than the 1815 eruption of Mount Tambora in Indonesia , the largest volcanic eruption in recorded human history. (naturalnews.com)
This study examined factors correlated with child undernutrition in rural communities affected by the Sinabung Eruptions in Indonesia. (bvsalud.org)

Subglacial and phreatic eruptions are defined by their eruptive mechanism, and vary in strength. (wikipedia.org)

Magmatic eruptions are the most well-observed type of eruption. (wikipedia.org)
Hundreds of thousands of visitors flocked to the region to watch that eruption, which built a vertiginous cone of magmatic splatter as it erupted over six months, causing no damage to infrastructure and no casualties. (nationalgeographic.com)
This could cause a magmatic eruption, or a hydrothermal blast that triggers rapidly moving muddy landslides named lahars . (iflscience.com)

Below, we have created a list of some of the most interesting and destructive eruptions in Iceland's history. (hotelranga.is)
The last major destructive event was the Nevado del Ruiz eruption in Colombia, in 1985. (frontiersin.org)

The eruption of Mt. Tabor in 1815, about 900 kilometers from Krakatoa, may have been 10 times a powerful and has been linked to the year without summer in Europe in 1816 that brought on crop failures and famine. (thedailybeast.com)

It has a colorful eruption history, with one major paroxysm around 2,340 years ago, which produced the largest known eruption in Canada's recent history. (iflscience.com)

The latest eruption, which started at 1:18 p.m. local time on August 3, opened up at a fissure only a few hundred feet away from the cone crafted by last year's volcanic outburst. (nationalgeographic.com)

Besides the potentially devastating impacts to the town of Grindavík and the surrounding area from a potential eruption, any large ash plume could wreak havoc on international air travel . (yahoo.com)
Interdisciplinary studies of volcanic impacts on climate and. (copernicus.org)
When Krakatoa erupted in 1883, it caused what's known as a volcanic winter, which occurs when a volcanic ash cloud mixes with sulfuric acid and moisture to obstruct the sun, which impacts plants, animals and humans in untold ways. (thedailybeast.com)
Impacts of acid deposition from the eruptions are assumed to have caused instant acidification, vegetation damage, increased nutrient cycling and blooms of opportunistic epiphytic diatoms. (lu.se)

The likelihood of a volcanic eruption occurring in the near future is deemed considerable,' it adds. (yahoo.com)
The aviation color code for the Reykjanes Peninsula is at an orange level, meaning there is 'heightened unrest' and that there is an 'increased likelihood of eruption,' according to the office. (yahoo.com)

Volcanic eruptions occur when magma breaks through and onto the Earth's surface. (yahoo.com)
Current forecast models indicate the ash plume would gradually overspread the ocean in the coming days, should an eruption occur over the next day or two,' Overton said. (yahoo.com)
Because large eruptions are relatively rare, a long timeline is needed to know when they occur. (naturalnews.com)
If an eruption does occur, data shows that it will likely be in the area between Fagradalsfjall and Keilir. (yahoo.com)

Several types of volcanic eruptions -during which lava , tephra ( ash , lapilli , volcanic bombs , and volcanic blocks ), and assorted gases are expelled from a volcanic vent or fissure -have been distinguished by volcanologists . (wikipedia.org)
Several experts have warned that seismic monster is "waking up," and volcanologists say an eruption would have a devastating impact on Europe. (thedailybeast.com)

this means that its eruptions often trigger dangerous glacial floods. (hotelranga.is)

On June 8th, 1783 a volcanic eruption started in the Icelandic highlands in the Laki fissure. (hotelranga.is)
We test the hypothesis that rich occurrences of diatoms observed at transitions between major peat units representing different vegetation communities in a peat sequence from subarctic northern Sweden reflect responses to acid deposition from the Samalas AD 1257 and Laki AD 1783/1784 eruptions. (lu.se)

Powerful volcanic eruptions can change global climate as there is usually a five to 10-year cooling period that follows. (naturalnews.com)
Ice cores contain information about temperatures before and after the eruptions, which allows us to calculate the effect on climate. (naturalnews.com)
As large eruptions tell us a lot about how sensitive our planet is to changes in the climate system, they can be useful for climate predictions," Svensson explained. (naturalnews.com)
Different proxy signals after eruptions during cooler versus warmer glacial stages may reflect a state-dependent climate response. (copernicus.org)
Will Climate Change Cause More Volcanic Eruptions, And If So, How? (iflscience.com)
Most surprisingly, it seems that the lack of Nile flooding could have been set off by volcanic eruptions altering the climate. (ancient-origins.net)
The spatial and temporal patterns of the VNCU were mainly driven by the post-eruption climate and moderated by the negative phase trends of El Niño-Southern Oscillation and the Atlantic multidecadal oscillation. (bvsalud.org)
Using these data we can evaluate model variability in space and time, as well as attribute variations in climate and weather to climate forcings, for example, major volcanic eruptions or variations in solar activity. (lu.se)

For most people, the mention of a volcanic eruption evokes doomsday story lines that include roaring explosions, dark ash puffing up into the stratosphere and gooey lava covering everything in its way as terrified humans run for their lives. (naturalnews.com)
Health effects arising from the Mount Saint Helen eruption were evaluated in humans. (cdc.gov)

the strongest eruptions are called Ultra-Plinian . (wikipedia.org)

The government said on its website that if there is an eruption, it's expected to be a 'relatively' small fissure eruption lasting up to a few weeks. (yahoo.com)

Notably, many Hawaiian eruptions start from rift zones . (wikipedia.org)

The sky turned black as the cloud from the eruption covered the sun, and much of the country is thought to be covered in ash. (nzherald.co.nz)
The dense cloud of volcanic ash extended eastward over the states of Washington, Idaho, Montana, and North Dakota. (cdc.gov)

The eruptions in recent years could mean that the country's western volcanic peninsula is entering a new era of activity after centuries of dormancy, National Geographic reported. (yahoo.com)
Less than a year has passed since lava stopped sputtering from Iceland's Reykjanes Peninsula following the first major volcanic outburst from this region in almost 800 years. (nationalgeographic.com)
Svensson and his fellow researchers managed to evaluate the quantity and intensity of volcanic eruptions over the last 60,000 years by analyzing ice cores drilled in Antarctica and Greenland. (naturalnews.com)
Estimates of volcanic eruptions more than 2,500 years ago have been linked with great doubt and a lack of accuracy up to now. (naturalnews.com)
The Tambora eruption discharged so many sulfuric acid into the stratosphere that it blocked sunlight and caused global cooling in the following years. (naturalnews.com)
The Las Cañadas volcanic caldera on Tenerife, in the Canary Islands, has generated at least eight major eruptions during the last 700,000 years. (southampton.ac.uk)
People living in the San Francisco Bay area, for example, know that there is a 62 per cent chance of a major earthquake there in the next 30 years. (newscientist.com)
When Mount Pinatubo erupted in the Philippines in 1991, the planet cooled a little for the few years after the initial eruption, but this impact was short-lived because these particles dissipate in the upper atmosphere within a few years. (engadget.com)
In the last 200 years, eruptions have occurred three times in the lower east rift zone of Kilauea and six times on the northeast flank of Mauna Loa. (evwind.es)
In itself, the relatively small eruption of Anuk Krakatau, which has been increasingly active since June, and subsequent tsunami on Saturday, is unlikely to rank among the deadliest natural disasters in recent years. (thedailybeast.com)
This declination varies from a maximum of 28.5° during a major lunar standstill to a minimum of 18.5° during a minor lunar standstill, completing a full cycle over the course of 18.61 years. (judithcurry.com)
Science Alert reports that the researchers have linked at least three major events in ancient Egypt's declining years to volcanic eruptions and the subsequent suppression of the Nile. (ancient-origins.net)
This is the biggest eruption Japan experienced in 50 years. (journalweek.com)
Within a climatic background, we found that VNCU of the QTP tends to decrease after large volcanic eruptions, lasting until about 3 years, with a maximum decrease value occurring in the following 1 year. (bvsalud.org)

The office said magma movements are likely the cause of the current surge on the Reykjanes Peninsula, raising fears of a volcanic eruption. (yahoo.com)

We employ acidity records from Greenland and Antarctic ice cores to estimate the emission strength, frequency and climatic forcing for large volcanic eruptions from the last half of the last glacial period. (copernicus.org)
Both the eruptions are known to have been associated with significant acid deposition events and climatic anomalies, as recorded in polar ice cores. (lu.se)

Amounts of these gases vary widely from one volcanic eruption to the next. (cdc.gov)
Volcanic eruptions vary widely in strength. (wikipedia.org)

Similar bursts of seismic activity in the country have previously caused volcanic eruptions, the office said. (yahoo.com)

During this period, there is not a high probability of an eruption,' the council said, while noting that 'the situation can change rapidly. (yahoo.com)

Other volcanic gases include hydrogen chloride, carbon monoxide, and hydrogen fluoride. (cdc.gov)
In nature, small amounts of carbon disulfide are found in gases released to the earth's surface, for example, in volcanic eruptions or over marshes. (cdc.gov)

Whenever a really large eruption occurs, sulfuric acid is ejected into the upper atmosphere, which is then distributed globally - including onto Greenland and Antarctica. (naturalnews.com)
The National Advisory: Tsunami Activity issued following the large eruption in Tonga is cancelled. (nzherald.co.nz)
Indeed, this link has been previously theorized in several pre-existing studies for other volcanic complexes, particularly for those covered in plenty of thick ice over a large area. (iflscience.com)
The government said that an eruption of Mt. Keilir 'will not produce large fumes that have the potential to disrupt international aviation,' although it would temporarily disrupt air traffic. (yahoo.com)
Total eclipses tend to be very dark after major volcanic eruptions, which expel large quantities of ash into the atmosphere. (nasa.gov)

The most common volcanic gas is water vapor, followed by carbon dioxide and sulfur dioxide. (cdc.gov)
Volcanic smog, or air pollution, is created by vapor, carbon dioxide and sulfur dioxide gas released from Kilauea. (yahoo.com)

If a glacier melts away, and it triggers a landslide, so much mass is removed that it has the potential to trigger a runaway bubble nucleation event and an eruption. (iflscience.com)

In fact, after a particularly violent eruption in 1104, Hekla began to be referenced as the gateway to Hell. (hotelranga.is)
Images of the violent volcanic eruption near Tonga are "hugely concerning", Prime Minister Jacinda Ardern says. (nzherald.co.nz)

PM Jacinda Ardern said it's 'too early to tell' whether anyone has lost their life in the volcanic eruption and tsunami that hit Tonga. (nzherald.co.nz)
A surprise tsunami after a volcanic eruption caught holiday makers by surprise, but the chain of events should have been predictable because it has happened before. (thedailybeast.com)

Located far from populations, the volcanic burbles likely pose little danger to the public, at least in the near term. (nationalgeographic.com)

A marine geologist at NOAA's Pacific Marine Environmental Laboratory and lead of the Earth-Ocean Interactions Program, who is lead author on the study, said "We know that most of the world's volcanic activity actually takes place in the ocean, but most of it goes undetected and unseen. (noaa.gov)

The start of a new eruption so soon after unrest in 2021 seems to underscore that this once quiescent peninsula has awoken from its long slumber. (nationalgeographic.com)
Added to this, the idea that technology had diffused out from the ancient East gradually toward the west, perhaps with a major jump to the Iberian Peninsula (modern Spain and Portugal), which itself then acted as another center for diffusion, colored the interpretations, since a passage of time was generally added for the process of uptake of the new technologies. (encyclopedia.com)

The smaller Anak Krakatau volcanic island developed during the 20th century in the remains of the old, an heir to devastation. (thedailybeast.com)

Towards the end of the glacial period, there is a notable increase in volcanic activity observed for Greenland. (copernicus.org)
The last eruption took place on February 26, 2000, so we are due for volcanic activity any day now. (hotelranga.is)
The 100 year pause since Katla's last eruption means we can expect some volcanic activity in the near future. (hotelranga.is)
Volcanic eruptions are impressive demonstrations of the activity of our planet. (frontiersin.org)
No eruption has yet been detected but due to risks related to volcanic activity, all traffic near Keilir and Mt Fagradalsfjall is prohibited, including drone flights. (yahoo.com)

On the one extreme there are effusive Hawaiian eruptions, which are characterized by lava fountains and fluid lava flows , which are typically not very dangerous. (wikipedia.org)

A clear multi-annual volcanic cooling signal is seen, but its absolute magnitude is subject to the unknown glacial sensitivity of the proxy. (copernicus.org)

Linked to major volcanic eruptions around 536 and 540 CE, the onset of the Late Antique Little Ice Age has been described as the coldest period of the past two millennia. (bvsalud.org)

The nearly 10-foot wave is thought to have been caused by an underwater landslide after the eruption of Anak Krakatau, known locally as the "angry child of Krakatoa. (thedailybeast.com)
The 1883 eruption was an epic event that made 'Krakatoa' seem synonymous with cataclysm, if not indeed apocalypse. (thedailybeast.com)

Forecasting volcanic eruptions allows people to be alerted so they can evacuate, reducing the negative impact of eruptions on human populations. (frontiersin.org)

This can reduce the pressure on the magma source, which could perhaps trigger an eruption. (iflscience.com)

Every major volcanic eruption ejects ash into the upper atmosphere. (engadget.com)
The atmosphere can provide the planet with these nutrients and volcanic eruptions and weather systems can ensure they are circulated and renewed in the system. (lu.se)
The lack of anatomical signatures in the austral trees suggests limited incursion of stratospheric volcanic aerosol into the Southern Hemisphere extra-tropics, that any forcing was mitigated by atmosphere-ocean dynamical responses and/or concentrated outside the growing season, or a combination of factors. (bvsalud.org)

Diseases1

Phenomena and Processes2

Health Care1

Volcano18

Impact of volcanic eruptions2

Iceland18

Tsunamis1

Volcanoes11

Erupt2

Larger than any eruption2

19801

Types of eruptions2

Earthquakes4

Scientists11

Imminent2

Frequent eruptions1

Catastrophic2

Ancient volcanic2

Explosive8

Indonesia3

Eruptive1

Magmatic3

Destructive2

18151

Known eruption1

Latest eruption1

Impacts4

Likelihood2

Occur4

Volcanologists2

Floods1

17832

Climate8

Humans2

Plinian1

Fissure1

Rift zones1

Cloud2

Years14

Reykjanes Peninsula1

Climatic2

Vary widely2

Seismic activity1

High probability1

Gases2

Large5

Carbon dioxide and sulfur dioxide2

Triggers1

Violent2

Tsunami2

Pose1

World's1

Peninsula2

20th century1

Activity5

Lava flows1

Glacial1

Onset1

Krakatoa2

Populations1

Trigger1

Atmosphere3