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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Koryaksky
Koryaksky is the part of the NW-trending Avachinskaya volcano group near Kamchatka's largest city, Petropavlovsk. This view from below the saddle between Avachinsky and Koryaksky volcanoes shows the eroded SE flank. The youngest lava flows are on the upper W flank and below SE-flank scoria cones. Moderate explosive eruptions have occurred since the first historical eruption in 1895. Photo by Andrei Tsvetkov.
Volcano Number:
300090
Volcano Name:
Koryaksky
Country:
Russia
Volcano Type:
Stratovolcano
Last Eruption:
2009 CE
Elevation:
3430m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 10km:
13
Pop. within 30km:
142050
Pop. within 100km:
257322
Latitude:
53.321
Longitude:
158.712
Details
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The large symmetrical Koryaksky stratovolcano is the most prominent landmark of the NW-trending Avachinskaya volcano group, which towers above Kamchatka's largest city, Petropavlovsk. Erosion has produced a ribbed surface on the eastern flanks of the 3430-m-high volcano; the youngest lava flows are found on the upper W flank and below SE-flank cinder cones. Extensive Holocene lava fields on the western flank were primarily fed by summit vents; those on the SW flank originated from flank vents. Lahars associated with a period of lava effusion from south- and SW-flank fissure vents about 3900-3500 years ago reached Avacha Bay. Only a few moderate explosive eruptions have occurred during historical time, but no strong explosive eruptions have been documented during the Holocene. Koryaksky's first historical eruption, in 1895, also produced a lava flow.
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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
Sorry. No data exist for this volcano in the EarthChem Library.
Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
Sorry. No data exist for this volcano in the MaGa database.
Data from UNAVCO
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Data from USIEI
Sorry. This volcano is not covered by any USIEI projects
Data from IRIS FDSNWS
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