Who is responsible for issuing volcanic alerts?

Jul 8, 2015 ... researchers say there were two eruptions—one in 535 or 536 in the northern hemisphere and another in 539 or 540 in the tropics—that kept ... Apr 22, 2024 ... Follow the advice of local officials for information on preparing for a volcanic eruption ... Make a plan ... Be prepared either to shelter or to ... May 2, 2022 ... The Thera eruption hunt continues. Archaeological evidence has suggested the date of the Thera eruption is closer to 1500 B.C., while some ... 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 ... Mar 5, 2024 ... Currently, the 2024 eruption is from a circumferential fissure, near the summit of the volcano and parallel to the caldera wall. Because ... Volcanic eruptions can cause: suffocation; infectious diseases, such as conjunctivitis; acute and chronic respiratory diseases from falling ash and breathing ... Apr 23, 2015 ... Volcanic eruptions can affect climate in two main ways. First, they release the greenhouse gas carbon dioxide, contributing to warming of the atmosphere. May 24, 2024 ... Hunga Tonga-Hunga Ha'apai eruption triggered widespread deadly and damaging tsunami waves. A damaged boat washed up into the middle of a field ... Apr 22, 2024 ... The best way to do protect yourself and your family is to follow the advice of local officials. Local authorities will provide you with information. Volcanic eruptions can be explosive, sending ash, gas and lava high up into the atmosphere, or the magma can form lava flows, known as effusive eruptions.