Volcanoes depression. Medical search. Frequent questions

But it was Hawaii's Kīlauea volcano that made global headlines in May 2018 as it embarked on a months-long eruption -the latest leg of a lengthy burst of activity that started in 1983. (nationalgeographic.com)
There are anecdotal accounts of blue flames at other volcanoes around the world, including at Costa Rica's stratovolcano Turrialba and Mount St. Helens in Washington prior to its May 1980 eruption. (snopes.com)
However, unlike Kawah Ijen, which has sustained native sulfur production for centuries, those volcanoes probably briefly passed through the field with the right combination of temperature and gas composition to make native sulfur and blue flames on their way toward eruption. (snopes.com)
Lavalapse: A timelapse of an eruption at the #Geldingadalir #volcano in #Iceland . (euronews.com)
An underwater volcano near Tonga erupted yesterday and footage of the eruption can be found at the Guardian. (blogspot.com)
At its summit is a spectacular depression some 53 miles (85 km) wide, formed by magma chambers that lost lava (likely during an eruption) and collapsed. (space.com)
There are the most typical and perfect vestiges of modern volcanic eruption in China, and the world- known volcano-related mineral spring water. (unesco.org)
The eruption of the Hunga-Tonga-Hunga-Ha'apai volcano on Saturday was so large, it was a spectacle best appreciated from space . (cnn.com)
Events of this magnitude occur roughly once a decade around the world, but for this volcano an eruption of this scale is a rarity. (cnn.com)
Based on my research, using radiocarbon dating to examine the ash and deposits from past eruptions, it seems this latest eruption is a once-in-a-millennium event for the Hunga-Tonga-Hunga-Ha'apai volcano. (cnn.com)
On Saturday, the eruption of magma from the volcano created a sudden release of pressure, producing supersonic air pressure waves that could be seen from space . (cnn.com)
In the aftermath of the eruption, images from satellite radar imagery show the central part of the volcano which previously rose above sea level has since disappeared below the waves. (cnn.com)
This indicates when the eruption occurred, the sudden loss of magma likely caused the central portion of the volcano to collapse, creating a caldera, or a hollow depression. (cnn.com)
Dr Kelsi Singer of the Southwest Research Institute and colleagues conclude both are ice volcanoes, but rather than each being formed in a single dramatic eruption they probably represent many smaller outbursts located close together. (iflscience.com)
The shape of a volcano provides clues to the type and size of eruption that occurred. (un-spider.org)
ROME: Half a million people live on a sprawling volcano in Italy -- and the risk of an eruption has never been greater, according to a study published Friday. (com.pk)
But the Campi Flegrei is not one to take lightly -- the volcano´s eruption 30,000 years ago is reported to have contributed to the extinction of Neanderthal man. (com.pk)
A caldera is a huge volcanic depression created when the ground collapses after a massive eruption. (kidzgo.co.nz)
T he volcano eruption in Iceland has lessened slightly, but this has little bearing on whether it's finishing this cycle or not. (blogspot.com)
Rivers of lava have been pouring out of the Kilauea Volcano in Hawaii for weeks , a massive eruption of Mount Merapi just a few days ago shot volcanic ash 38,000 feet into the air , and now rivers of lava are pouring out of Guatemala's Fuego Volcano . (theeconomiccollapseblog.com)
The region is home to a caldera, a cauldron-shaped depression left behind by the eruption of a very large volcano. (kfor.com)
They say that when an eruption ends, Etna is already preparing the next one: it's the eternal confrontation between the volcano and the human beings who have decided to rely on his benevolence. (burnmagazine.org)
Two other active volcanoes-Rabaul in Papua New Guinea, and Sierra Negra in the Galapagos-"both showed acceleration in ground deformation before eruption with a pattern similar to that observed at Campi Flegrei," Chiodini said. (shoebat.com)
Nearby Mount Vesuvius, whose massive eruption in 79 AD buried several Roman settlements in the area, including Pompeii, is also classified as an active volcano. (shoebat.com)

The rate of inflation is faster than those measured on other inflating volcanoes such as Uturunku in Bolivia and Yellowstone Caldera in the United States and has been accompanied by anomalies in soil gas emission and seismic activity. (wikipedia.org)
Another type of volcano lacking a cone shape is a large caldera, such as Long Valley in eastern California or Yellowstone in Wyoming. (usgs.gov)
A recent visitor to HVO remarked that Kīlauea caldera "sure doesn't look like a volcano. (usgs.gov)
This illustrates another point about volcanoes-the shape can change drastically and quickly, and one year's cone or shield can be next year's caldera. (usgs.gov)
The dome is in the world's largest class of post-caldera volcano, with a volume of over 32 cubic kilometers. (sciencedaily.com)
The composition of this lava dome is different from the magma that caused the giant caldera to erupt -- it shows the same chemical characteristics as the current post-caldera volcano on the nearby Satsuma Iwo-jima Island. (sciencedaily.com)
Giant caldera volcanoes are concentrated in Kyushu and Hokkaido. (sciencedaily.com)
Caldera volcano: these volcanoes erupt so explosively that little material builds up near the vent. (un-spider.org)
The tens of thousands of small earthquakes that have taken place since the 1950s weakened the caldera, the basin at the top of the volcano. (com.pk)
To geologists, it's one of the world's most formidable volcanoes - a caldera. (kidzgo.co.nz)
If it did, however, "it would be very dangerous" for the half-million people living inside and near the caldera, he added, using the scientific name for the bowl-like depression created after a volcano blows its top. (shoebat.com)

USGS Hawaiian Volcano Observatory scientists reported Saturday morning that, based on web cam views, "surface lava flow activity continues on the upper portion of the flow field near Puʻu ʻŌʻō , on the pali, and in scattered areas below the pali on the back of the coastal plain. (bigislandvideonews.com)
As part of January's Volcano Awareness Month series of events, USGS Hawaiian Volcano Observatory geologist Carolyn Parcheta provided an in-depth look at lava flow activity during an After Dark In The park talk story. (bigislandvideonews.com)
Also, lava destroyed a freshwater lake, boiling away all of the water in it, the Hawaiian Volcano Observatory reported late Saturday, local time. (theeconomiccollapseblog.com)

Mauna Loa , Kīlauea , Hualālai , and the offshore underwater volcano Lōihi . (nationalgeographic.com)
Five volcanoes make up the Big Island of Hawaii, and Hawaii Volcanoes National Park protects two of them - Mauna Loa and Kilauea. (mapquest.com)
Many readers know that the island of Hawai`i is made of five volcanoes-Kīlauea, Mauna Loa, Hualālai, Mauna Kea, and Kohala. (usgs.gov)
The largest structures in the region rival the Mauna Loa volcano in Hawaii. (jhuapl.edu)

The other active volcano, Erta Ale , is one of several crater lakes of lava bubbling from the Earth's mantle. (wikipedia.org)
You will love the beautiful suites of our hotels near downtown Addis Ababa and you can relax in one of our restaurants or lounge bars after a getaway in the Danakil desert, the base of the active volcano Erta Ale. (goldentulip.com)
The Danakil Depression is a geological site located 270 feet below sea level, from where you can reach the slopes of the Erta Ale volcano. (goldentulip.com)
Volcanoes with lava lakes are very rare: there are only six in the world (Erta Ale, Ethiopia - Ambrym, Vanuatu - Mount Erebus, Ross Island, Antarctica - Kīlauea, Big Island, Hawaii [there are actually two in Hawaii: Halemaʻumaʻu and Pu'u O'o craters] - Mount Nyiragongo, Democratic Republic of the Congo). (vincent.photos)

This area of 'subduction' has created a line of volcanoes which stretches from the pacific island of Tonga to Ruapehu. (doc.govt.nz)

An active volcano is labelled dormant if it has not erupted for a long time but could erupt again in the future. (un-spider.org)
Scientists Say Unprecedented Volcano Is About To Erupt In Italy- Did The Prophecy Of St. Januarius' Blood That We Wrote About Just Get Proven Right Again? (shoebat.com)
It is not possible at this time to say when-or if-the volcano will erupt anew, he said. (shoebat.com)
Indonesian volcanoes erupt regularly (as Mount Kelud did a couple of days ago). (vincent.photos)

Hawaii's Kilauea volcano erupted on May 3, and the lava continues to flow. (nationalgeographic.com)
The quake rumbled an area near Kilauea Volcano just before 4 p.m. (theeconomiccollapseblog.com)
National Guard troops, police and firefighters ushered the last group of evacuees from homes on the eastern tip of Hawaii's Big Island early on Saturday, hours before lava from the Kilauea volcano cut off road access to the area, officials said. (theeconomiccollapseblog.com)

A number of Quaternary volcanic systems of various ages surround Laguna del Maule lake, including about 14 shield volcanoes and stratovolcanoes that have been degraded by glaciation. (wikipedia.org)
The three andesitic volcanoes at the heart of the park, the mountains Tongariro, Ngauruhoe and Ruapehu, form the southern limits of the Taupō Volcanic Zone, part of the Pacific Ring of Fire. (doc.govt.nz)
However, over 46 per cent of Ethiopia's population lives within 100 km of a Holocene volcano and are exposed to volcanic hazards (Loughlin et al. (bgs.ac.uk)
The RiftVolc project builds on previous NERC-funded projects, including the Ethiopia Afar Geoscientific Lithospheric Experiment (EAGLE), the Afar Rift Consortium (ARC) and the Airborne Research Facility 's (ARF) data acquisition over volcanic complexes in the Afar Depression and the Main Ethiopian Rift. (bgs.ac.uk)
An improved understanding of the evolution and functioning of volcanic systems, gained from finding the answers to the first two questions, will provide the foundation on which established and new methods to quantify volcanic hazard from high-risk central volcanoes, active rift segments and volcanic fields will be developed to answer the final question. (bgs.ac.uk)

The photo of Indonesia's Kawah Ijen volcano was initially published in National Geographic on Jan. 30, 2023. (snopes.com)
the Kawah Ijen volcano in Indonesia and Ethiopia's Dallol hydrothermal site. (snopes.com)
The goal of the trip, the main reason I went anyway, was to photograph the volcano called Kawah-Ijen. (vincent.photos)

The Campi Flegrei volcano may be less. (com.pk)
The Campi Flegrei (Phlegraean Fields) volcano may be less well-known than Vesuvius, but is "extremely dangerous", study co-author Stefano Carlino told AFP. (com.pk)
The city of Naples is surrounded by volcanoes on both sides: Campi Flegrei to the west, and Mount Vesuvius to the east. (kfor.com)

These volcanoes are among the world's most active and have occupied a special place in Hawaiian culture since the first Polynesians migrated to the islands, hundreds of years ago. (mapquest.com)

On the more ancient landmasses, the volcanoes are no longer active because they have been cut off from the hotspot's supply of magma. (nationalgeographic.com)
How does magma split between the Big Island's currently active volcanoes? (nationalgeographic.com)
These volcanoes are all less than 500,000 years old and still active. (doc.govt.nz)
In reality, however, Kīlauea will remain an active volcano long after Pu`u `O`o stops erupting, because the main feeder conduit will still be intact. (usgs.gov)
Forecasting future activity and hazards from active calderas, and indeed from volcanoes in general, requires knowledge of the pre-eruptive magma storage. (nature.com)
From the 'Lighthouse of the Mediterranean' to Iceland's newest addition, here are four European active volcanoes. (euronews.com)
Dormant volcanoes are technically active but haven't erupted for a long time. (euronews.com)
A volcano is considered active if it erupted in the past 10,000 years but lava can often be seen gushing upwards from many volcanoes much more frequently. (euronews.com)
Here's are four of Europe's most impressive active volcanoes. (euronews.com)
Stromboli, or the 'Lighthouse of the Mediterranean' is one of the most active volcanoes on Earth. (euronews.com)
Stromboli, a small island north of #Sicily , is one of the most active volcanoes in the world. (euronews.com)
Locally called 'Mongibello,' it is Europe's most active volcano. (euronews.com)
He has published more than 200 scientific papers on the chemistry and physics of active volcanoes and strives to understand the hazards they pose, especially in the Asia-Pacific region. (cnn.com)
A volcano is currently active if it is erupting lava, releasing gas or generating seismic activity. (un-spider.org)
Whilst there are 59 volcanoes that are believed to be active within the Holocene, the knowledge of the past activity, processes driving activity and current extent of magmatism in Ethiopia is low by comparison with many other areas of the world. (bgs.ac.uk)
Atop the Cotopaxi Volcano - at 5,897 meters (19,347 feet), one of the tallest active volcanoes on Earth - sits the Cotopaxi Glacier. (unofficialnetworks.com)
It's the highest active volcano in Europe, a majestic presence that touches all of Sicily and all Sicilians but, for those who live on its slopes, it's a real and significant presence to live with day after day. (burnmagazine.org)
High 3326 (variable), Mount Etna it is the highest active volcano in Europe. (burnmagazine.org)
Indonesia has over 150 volcanoes and 127 of those were active (in 2012). (vincent.photos)
I had no experience climbing active volcanoes so I went with a travel agency that. (vincent.photos)

The photo of the Dallol hydrothermal site (located within the Danakil Depression) was first published in New Scientist on May 21, 2014. (snopes.com)
Nearby is the Dallol volcano, which last exploded in 1926. (artificialowl.net)

Although the hotspot itself is thought to be largely stationary, the tectonic plates continue their slow march, building a line of volcanoes or islands on the surface (National Geographic) . (un-spider.org)

This is a giant horseshoe-shaped depression, formed in the last 13,000 years. (euronews.com)
The south side of Mombacho volcano is cut by a large horseshoe-shaped depression that left two major summit peaks. (si.edu)

Photographs shared to social media depicted a volcano in Ethiopia as it "erupts blue lava. (snopes.com)

The Danakil Depression is the northern part of the Afar Triangle or Afar Depression in Ethiopia , [1] [2] a geological depression that has resulted from the divergence of three tectonic plates in the Horn of Africa . (wikipedia.org)
The Danakil Depression is a plain approximately 200 by 50 km (124 by 31 mi), lying in the north of the Afar Region of Ethiopia, near the border with Eritrea . (wikipedia.org)
Gaet'ale Pond is a small hypersaline lake located over a tectonic hot spring in the Danakil Depression ( Afar , Ethiopia). (wikipedia.org)
Pics Show 'Blue Lava' Erupting From a Volcano in Ethiopia? (snopes.com)
Also, one photo was taken in Indonesia, and the other - which was indeed taken in Ethiopia - showed a hydrothermal site, not a volcano. (snopes.com)
While the two photographs were authentic, they did not show "blue lava" erupting from a volcano in Ethiopia, much less any other location. (snopes.com)
In short, while the two photographs featured in the X post were authentic, they did not show "blue lava" erupting from a single volcano in Ethiopia. (snopes.com)

Similar to volcanoes formed out of molten rock, or lava, mud volcanoes form as the erupted mud piles up at the surface. (uahirise.org)

Most volcanoes form near the edges of Earth's tectonic plates, the ever-shifting puzzle pieces that make up the planet's surface. (nationalgeographic.com)
The Danakil Depression lies at the triple junction of three tectonic plates and has a complex geological history. (wikipedia.org)
Most of Europe's volcanoes are concentrated around the Mediterranean or Iceland, on the boundaries between tectonic plates. (euronews.com)
The majority of volcanoes in the world form along the boundaries of Earth's tectonic plates. (un-spider.org)

Composite volcano : also known as stratovolcanoes, they are formed from explosive eruptions. (un-spider.org)

Material expelled from below the surface of this distant, icy planet could have created a region of large domes and rises flanked by hills, mounds and depressions. (jhuapl.edu)
Irregular interconnected hills, mounds and depressions, called hummocky terrain, cover the sides and tops of many of the larger structures. (jhuapl.edu)
These pitted mounds may be ancient mud volcanoes that formed when liquid mud erupted from underground due to shaking from a nearby Marsquake. (uahirise.org)

Firstly, for land-based volcanoes it is hard to carry out large-scale observations using artificial earthquakes because of the population density, and it is also difficult to detect giant magma buildups with precise visualization because they are often at relatively low depths (roughly 10km). (sciencedaily.com)
Lightning kills more people each year in the United States than hurricanes, volcanoes, and earthquakes combined. (medscape.com)

When a volcano has been dormant for more than 10 000 years, it is considered extinct. (un-spider.org)
Volcanoes can remain inactive, or dormant, for hundreds or thousands of years before erupting again. (un-spider.org)

Not all volcanoes are related to subduction: another way volcanoes can form is what's known as hotspot volcanism. (un-spider.org)

In respect of it demonstrating 'the ongoing birth of an ocean witnessed through tectonics and volcanism in an extreme evaporite arid environment', the International Union of Geological Sciences (IUGS) included 'The Danakil Rift depression and its volcanism' in its assemblage of 100 'geological heritage sites' around the world in a listing published in October 2022. (wikipedia.org)
The hot springs in Danakil Depression offer a research opportunity for studying extremophile microbes . (wikipedia.org)
The Danakil Depression is the hottest place on Earth in terms of year-round average temperatures. (wikipedia.org)
These wet environments at the Danakil Depression are being investigated to help understand how life might arise on other planets and moons. (wikipedia.org)
[2] [7] Nonetheless, in October 2019, scientists reported that terrestrial lifeforms , including extreme forms of archaea microorganisms, were not found to exist in the very hot, acidic and salty conditions present in some parts of the Danakil Depression. (wikipedia.org)
If you are not familiar with the Danakil depression, I have included a Google map of the area below. (vincent.photos)

In this respect, those cones are analogous to limbs on a tree, and the deeply rooted volcano is equivalent to the trunk of the tree. (usgs.gov)

This visitor is a geologist and should have known better, but the image of Fuji, Mayon, and pre-1980 Mount St. Helens is strongly entrenched as the classic stereotype of a "real" volcano. (usgs.gov)

The hazard assessments are being developed at local, volcano-specific scales for ash fall, PDCs and lava flows and at regional scales for ash fall hazard. (bgs.ac.uk)

A Muntagna" is a long journey around Mount Etna and the surrounding area, telling the deep bond that unites the volcano to the women and men who live there, and the extraordinary normality of lives lived in the presence of such a giant, which at any time can generate seismic events. (burnmagazine.org)

To a volcanologist, a volcano is a structure containing a vent or cluster of vents fed by magma rising directly from great depth within the earth, generally more than 30 km (18 miles) and in Hawai`i more than 100 km (60 miles). (usgs.gov)
It takes roughly 900-1000 years for the Hunga volcano to fill up with magma , which cools and starts to crystallize, producing large amounts of gas pressure inside the magma. (cnn.com)

Olympus Mons is a gigantic shield volcano , which was formed after lava slowly crawled down its slopes. (space.com)
At left, from top to bottom, you can see three shield volcanoes that are roughly 16 miles (25 km) high: Ascraeus Mons, Pavonis Mons, and Arsia Mons. (space.com)
At upper right is another shield volcano called Tharsis Tholus. (space.com)
Shield volcano: have a broad, flattened dome-like shape created by layers of hot and runny lava flowing over its surface and cooling. (un-spider.org)

Although we identify the park as having three andesitic volcanoes, Ruapehu, Tongariro and Ngauruhoe, both Maori and geologists consider Ngauruhoe to be part of the Tongariro system. (doc.govt.nz)

More than half of Iceland's numerous ice caps and glaciers lie near or directly over volcanoes. (unofficialnetworks.com)
Seen here is Mýrdalsjökull, Iceland's fourth largest ice cap, which covers the Katla volcano at the country's southern tip. (unofficialnetworks.com)

In one dictionary meaning of the word, a volcano is a vent in the earth's crust through which rock or lava is ejected. (usgs.gov)

Mars is a planet of vast contrasts - huge volcanoes, deep canyons, and craters that may or may not host running water. (space.com)

Tharsis hosts 12 gigantic volcanoes in a zone roughly 2500 miles (4000 km) wide, according to NASA . (space.com)
The resulting basin-shaped depression is roughly circular and is usually several kilometres or more in diameter (Australian Government) . (un-spider.org)

Overall, Volcano Discovery is reporting that a total of 34 volcanoes around the world are erupting right now. (theeconomiccollapseblog.com)
Mount Etna is among the most monitored volcanoes in the world, with about two hundred instruments that give information on many parameters to the Operation room at INGV. (burnmagazine.org)

The fiery rampage earned Kīlauea the top slot in the the U.S. Geological Survey's 2018 rankings of the most dangerous volcanoes in the U.S. (nationalgeographic.com)
Curiosity is now summiting a nearby volcano called Mount Sharp (Aeolis Mons) and looking at the geological features in each of its strata. (space.com)

Located in Administrative Zone 2 of the Afar Region in the Afar Depression. (artificialowl.net)

HAWAII VOLCANOES NATIONAL PARK - Scientists give an update as a tour guide captures images of another scenic breakout on the 61g flow. (bigislandvideonews.com)

Isn't a volcano a place where lava reaches the surface of the earth? (usgs.gov)
They are also the source of some of the most catastrophic geologic processes on Earth-supereruptions, and as such are considered among the most hazardous volcanoes on Earth. (nature.com)
Like Olympus Mons, these volcanoes tend to be much larger than those on Earth, presumably because Mars has a weaker gravitational pull that allows the volcanoes to grow taller. (space.com)
I made depressions in the earth with the hand. (booksfromfinland.fi)
Mono Lake, an alkaline body of water with curious mineral formations called tufa, offers bird-watching, swimming in briny water, walks along volcanoes that are still rumbling deep in the earth, canoeing, boating, and dramatic views of the high Sierra. (sherpaguides.com)
Mono Lake is a terminal lake, a depression in the earth where streams enter but do not leave. (sherpaguides.com)

These volcanoes may have erupted for as long as two billion years , or half of the history of Mars. (space.com)

A slumbering Campi Fliegri volcano under the Italian city of Naples shows signs of "reawakening" and may be nearing a critical pressure point, according to a study published Tuesday. (shoebat.com)

It's not a lava flowing volcano, but still a very spectacular one. (vincent.photos)
Four months ago, I went to Indonesia to photograph some of the most spectacular volcanoes on the planet. (vincent.photos)

The entire video can be seen on the Hawaii Volcanoes National Park website, but the segment above features the latest activity on the flow field. (bigislandvideonews.com)
Volcanoes born from this activity actually extend much further than we can see. (nationalgeographic.com)
The temperature, appearance and depth of Crater Lake provide a delicate indicator to the activity of the volcano. (doc.govt.nz)
Eruptive activity of Kīlauea Volcano continued unabated during the past week. (usgs.gov)
In this situation, a zone of magmatic activity-or a hotspot-in the middle of a tectonic plate can push up through the crust to form a volcano. (un-spider.org)
One could be forgiven for not realising its danger though, because instead of growing into a traditional mountain, the volcano has the shape of a gentle depression 12-14 kilometres (7.5-8.5 miles) across.A resurgence of activity in the early 1980s led to the evacuation of 40,000 inhabitants, but the volcano has been relatively quiet since then. (com.pk)

Are You Prepared For The Coming Economic Collapse And The Next Great Depression? (theeconomiccollapseblog.com)
The depression was formed during collapse of the volcano, which produced a large debris avalanche that traveled to the south. (si.edu)
The 2-km-wide depression merges with a scarp from a NE-flank collapse, which lies on the other side of the notch in the center of the photo. (si.edu)

He says it bears much of the blame for the Great Depression. (bigthink.com)

Recently, the volcano has once again made its voice heard strongly and in the first six months of 2021 more then 50 eruptions have been recorded, eruptive columns have risen up to nine kilo-meters above the sea level, lapilli and ashes have covered entire villages around the volcano itself. (burnmagazine.org)
The second volcano on the menu was the Merapi (2,930 meters), our base camp was at 1000m. (vincent.photos)

But at Hawaii Volcanoes National Park, even everyday visitors can get very close to the action. (mapquest.com)
With about 330,000 acres to explore, there's a lot of ground to cover in Hawaii Volcanoes National Park. (mapquest.com)
Driving in Hawaii Volcanoes National Park is an easy way to get an overview of the park's ever-changing landscape. (mapquest.com)
There are a variety of bike trails around Hawaii Volcanoes National Park. (mapquest.com)
Hawaii Volcanoes National Park is open all year round, but the Kahuku section of the park is only open on weekends from 9 a.m. until 3 p.m. (mapquest.com)
A $25 tri-park pass entitles the bearer to unlimited entries at Puuhonua o Honaunau, Haleakala National Park, and Hawaii Volcanoes National Park. (mapquest.com)

When people are suppressed for a long time, they explode like a volcano after some time. (addicted2success.com)

As well as being one of the largest volcanoes in Europe, it also has the longest historical record. (euronews.com)
Mars not only hosts the largest volcano of the solar system, but also the largest canyon. (space.com)

Anatomy2

Organisms5

Diseases2

Chemicals and Drugs14

Analytical, Diagnostic and Therapeutic Techniques and Equipment14

Psychiatry and Psychology28

Phenomena and Processes20

Disciplines and Occupations3

Anthropology, Education, Sociology and Social Phenomena5

Humanities1

Information Science5

Named Groups1

Health Care19

Geographicals4

Eruption24

Caldera11

Hawaiian Volcano Obs3

Mauna Loa4

Erta Ale4

Created a line of volcanoes1

Erupt4

Kilauea3

Volcanic5

Kawah Ijen3

Campi Flegrei3

World's1

Active20

Dallol2

Hotspot itself1

Horseshoe-shaped depression2

Erupts1

Ethiopia7

Molten rock1

Tectonic plates4

Stratovolcanoes1

Mounds3

Earthquakes2

Dormant2

Subduction1

Danakil6

Cones1

Geologist1

Lava flows1

Seismic1

Magma2

Shield4

Geologists1

Iceland's2

Earth's1

Craters1

Roughly2

World2

Geological2

Afar1

Scientists1

Earth6

Years1

Naples1

Spectacular2

Activity6

Collapse3

Great Depression1

Meters2

Hawaii Volc6

Long1

Largest2