Supervolcano may be hiding in Alaska's Aleutian Islands; Read details

A supervolca might be lurking behind  Aleutian Islands in Alaska, according to a report of Alaska Public Media. A new study was conducted about existence of this supervolca. existence of wide crater proved fact of explosion of  supervolca in Alaska. This has been found to connect four existing volcaes in  Aleutian Islands. crater discovered is very big. If volca erupted in last few thousand years on Earth, it will have damd civilizations all over  Earth.

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six volcaes are located near central part of island and it looks like an ordinary cluster of volcaes. But when accumulated data are taken toger, it shows existence of a caldera about twenty kilometers across. volcaes are neatly arranged in a ring shape. seafloor mapping mostly from 1950s, points out presence of arc-shaped ridges and a 130-meter depression in center of this ring shape me by volcaes. Hence, this very easily proves that volcaes are linked via a big caldera.

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gravity data from various or satellites point out look of or calderas. presence of volcanic gases like sulfur dioxide, micro-earthquake patterns all points out presence of a caldera.

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With help of seafloor topography mapping, one can kw about existence of  supervolca in  Aleutian Islands. bathymetry map compiled by AA shows gray areas that point out existing volcaes in area. orange areas on map show shallow volcanic zones.

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microearthquakes did t surprise geologists. According to Alaska Public Media, Mount Cleveland is among active volcaes on this island. microearthquakes extended east and rth as one would expect when re is a volca on surface. This also makes sense due to existence of caldera.

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site of Aleutians is accessible for geologists for a very short time each year. Hence, re is a great rush for collecting data. geologists’ team wants to confirm existence of caldera. y also want to look out for similar ash in ice cores in different parts of world. This will help m to predict when  supervolca in this island erupted. This will also help one to understand why Mount Cleveland is so active and also analyze hazards posed by active volcaes.