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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Avachinsky
Avachinsky rises above Petropavlovsk, Kamchatka's largest city. The peak to the right is the rim of a large horseshoe-shaped crater that formed during flank collapse about 30,000-40,000 years ago and produced a major debris avalanche buried an area of about 500 km2 to the south, underlying the city of Petropavlovsk. The modern cone was constructed inside this crater. Frequent historical eruptions have been recorded since 1737. Photo by Oleg Volynets, 1985 (Institute of Volcanology, Petropavlovsk).
Volcano Number:
300100
Volcano Name:
Avachinsky
Country:
Russia
Volcano Type:
Stratovolcano
Last Eruption:
2001 CE
Elevation:
2717m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 30km:
180016
Pop. within 100km:
270205
Latitude:
53.256
Longitude:
158.836
Details
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Avachinsky, one of Kamchatka's most active volcanoes, rises above Petropavlovsk, Kamchatka's largest city. It began to form during the middle or late Pleistocene, and is flanked to the SE by Kozelsky volcano, which has a large crater breached to the NE. A large collapse scarp open to the SW was created when a major debris avalanche about 30,000-40,000 years ago buried an area of about 500 km2 to the south, underlying the city of Petropavlovsk. Reconstruction of the volcano took place in two stages, the first of which began about 18,000 years before present (BP), and the second 7,000 years BP. Most eruptions have been explosive, with pyroclastic flows and hot lahars being directed primarily to the SW by the collapse scarp, although there have also been relatively short lava flows. The frequent historical eruptions have been similar in style and magnitude to previous Holocene eruptions.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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