• The 1975 M7.2 Kalapana earthquake, which occurred on a fault patch under the entire Kilauea Summit and East Rift Zone area, was followed within hours by a short eruption at the summit of Kilauea. (hawaii247.com)
  • Geochemical comparison between Changbaishan ash and the Quaternary widespread ash around Japan illustrates that Changbaishan ash is a continuous composition from rhyolitic to trachytic and its ratio of FeO T to CaO is usually greater than 4, which can be used as a distinguishing identifier among worldwide contemporary eruptions. (springer.com)
  • Major element composition of volcanic glass shards in the late Quaternary widespread tephras in Japan-Distinction of tephras using K 2 O-TiO 2 diagrams. (springer.com)
  • However, the rate of carbon addition during the onset of the PETM lasted for several thousand years, as described in a related Nature Communications paper by Sandra Kirtland Turner, an assistant professor of earth sciences at UCR, whereas current climate change is occurring on a century time-scale. (eurekalert.org)
  • By combining this data with Ridgwell's global climate model, the team deduced the amount of carbon added to the ocean and atmosphere and concluded that volcanic activity during the opening of the North Atlantic was the dominant force behind the PETM. (eurekalert.org)
  • The Pilanesberg is one of the largest volcanic complexes of its type, there are few similar alkaline volcanic structures in the world. (wikipedia.org)
  • The first steps at political unification of the country occurred in the late 4th and early 5th centuries ce under the Yamato court. (britannica.com)
  • The Possible Climatic impact in China of Iceland's Eldgjá eruption inferred from historical Sources. (springer.com)