What is a volcanic eruption?

Oct 30, 2023 ... The explosive eruption of the Hunga Tonga-Hunga Ha'apai (HTHH) volcano on 15 January 2022 injected more water vapor into the stratosphere ... Volcanoes: More than 500 volcanic vents have been identified in the State of California. At least 76 of these vents have erupted, some repeatedly, ... Jun 25, 2018 ... A series of volcanic eruptions and strong earthquakes due to activity on Kilauea volcano have struck Hawaii's Big Island (Hawaii Island) starting around May 3. A volcanic eruption is one of nature's most destructive forces, and can result in damage or destruction to homes, businesses, transportation and agriculture ... During some of these eruptions, Glacier Peak erupted massive volumes of volcanic ash that was blown eastward by winds. Lahars (volcanic mudflows) rushed down ... Sep 14, 2015 ... in Fe, Mg, Ca, Na, K; Rhyolitic magma -- SiO2 65-75%, low in Fe, Mg, Ca, high in K, Na ... At depth in the Earth nearly all magmas contain gas ... Jan 16, 2024 ... One of the most explosive volcanic eruptions ever witnessed by humans took place 3,600 years ago, around 1,600 B.C.E., off the island of ... Oct 23, 2018 ... The Mariana back-arc eruption was first discovered in December of 2015 by cameras aboard an autonomous underwater vehicle, Sentry. Photos ... This report identifies key science questions, research and observation priorities, and approaches for building a volcano science community capable of tackling ... Dec 20, 2023 ... The rapid deployment of balloon-borne observations at Réunion Island confirmed the unprecedented amount of water vapor – an estimated 150 ...