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Akita-Yake-Yama is a small
Akita-Yakeyama
- Japan Meteorological Agency
Akita-Yakeyama
National catalogue of the active volcanoes in Japan - Japan Meteorological Agency
- Geological Survey of Japan * {{cite gvp, name=Akita-Yakeyama, vn=283260, access-date=2021-06-24
- Volcanolive.com Volcanoes of Akita Prefecture Active volcanoes Stratovolcanoes of Japan Holocene stratovolcanoes Volcanoes of Honshū
Akita-Yake-Yama is a small stratovolcano
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...
in Akita Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Tōhoku region of Honshu.Nussbaum, Louis-Frédéric. (2005). "Provinces and prefectures" in ; "Tōhoku" in . Its population is approximately 966,000 (as of 1 October 2019) and its ge ...
, Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, that is known for its radioactive waters. A small parasitic lava dome
In volcanology, a lava dome is a circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Dome-building eruptions are common, particularly in convergent plate boundary settings. Around 6% of eruptions on ...
is located four kilometers from the volcano.
Historical eruptions
Eruptions during historical times are limited to moderate phreatic eruptions, which have been recorded since 1678.May 1997 eruption
On 11 May 1997, after a landslide a few days later, an eruption began. The eruption took place at a hot spring in a resort called Sumikawa-Onsen. On 10 May, tremors were reported at the hot spring up until midnight. On 11 May, a party saw a fast moving landslide moving down the slope of the volcano 20 minutes before the explosion. The eruption started around 08:00 am and was witnessed by a pilot who was flying over the area. He reported that he saw a water and steam ejection, like a giant geyser, followed by an eruption of black smoke. The explosion triggered a mudflow, that travelled down a nearby river valley. The field party then noticed tephra deposits in the mudflow, concluding that they were from the eruption site. The mudlow destroyed two hotels at the foot of the volcano, there were no fatalities.August 1997 eruption
On 16 August 1997, a tourist reported that a small eruption had taken place at the Karanuma crater (a crater near the summit). It occurred after a few days ofvolcanic tremor
A harmonic tremor is a sustained release of seismic and infrasonic energy typically associated with the underground movement of magma, the venting of volcanic gases from magma, or both. It is a long-duration release of seismic energy, with distin ...
s. The eruption formed a 20 m diameter crater on the SE rim of the Karanuma crater. The eruption lasted for 70 minutes.
See Also
* List of volcanoes in Japan * List of mountains in JapanReferences
External links
*Akita-Yakeyama
- Japan Meteorological Agency
Akita-Yakeyama
National catalogue of the active volcanoes in Japan - Japan Meteorological Agency
- Geological Survey of Japan * {{cite gvp, name=Akita-Yakeyama, vn=283260, access-date=2021-06-24
- Volcanolive.com Volcanoes of Akita Prefecture Active volcanoes Stratovolcanoes of Japan Holocene stratovolcanoes Volcanoes of Honshū