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Mount Asama (浅間山, Asama-yama) is an active complex volcano in central Honshū, the main island of Japan.The volcano is the most active on Honshū. [3] The Japan Meteorological Agency classifies Mount Asama as rank A. [4] It stands 2,568 metres (8,425 ft) above sea level on the border of Gunma and Nagano prefectures. [5]
Illustration of the eruption of Mt. Asama. Mount Asama erupted in 1783, causing widespread damage. [14] [15] [16] The three-month-long Plinian eruption that began on 9 May 1783, produced andesitic pumice falls, pyroclastic flows, lava flows, and enlarged the cone. The climactic eruption began on 4 August and lasted for 15 hours, [17] and contained
The town is located on an elevated plain at the foot of Mount Asama, one of Japan's most active volcanoes. The mountain is classed as a Category A active volcano. A small eruption was detected in June 2015, a more significant eruption spewing hot rocks and a plume of ash occurred in February 2015. Mt.
The 1783 eruption of Mount Asama is said to have caused the Great Tenmei famine. [ 5 ] [ 4 ] Starting in the 1770s, there was a sharp decline in crop yield in Tōhoku , the north-eastern region of Honshū , due to poor and cold weather, so food stocks in rural areas were exhausted.
The Tenmei mudflow means a large-scale volcanic mudflow caused by the 1783 eruption of Mount Asama, killed 1,523 people and destroyed 2,065 homes. [2] [5] [6] This museum houses a collection of artifacts from the time of the eruption that were excavated from the areas submerged by the Yamba Dam. [7]
An eruption as large as Mount Pinatubo in 1991 could certainly cool the planet for a few years, though it wouldn’t be able to erase the Earth’s current climate woes caused by planet-warming ...
To compare, Mt. St. Helens' eruption in 1980 was a level 4. Known as a super eruption for its magnitude, the event emptied out enough volcanic material to produce the 30-by-40-mile-wide caldera.
Last eruption Abu Volcano Group Mt. Kasayama : 8.8 ka BP ... Mount Asama: 2544: 8340 AD 2019 [† 5] Mount Ashitaka ...