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Random pictures

Bolshe-Bannaya volcano

Lava domes 1200+ m / 3,937 ft
Kamchatka, Russia, 52.9°N / 157.78°E
Current status: dormant (1 out of 5) | Reports
Bolshe-Bannaya volcano books
Typical eruption style: unspecified
Bolshe-Bannaya volcano eruptions: unknown, no recent eruptions No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

The Bolshe-Bannaya ring complex, located north of the Bannaya River WSW of Petropavlovsk-Kamchatskiy, contains a group of Pleistocene andesitic-to-rhyolitic lava domes and late-Pleistocene to Holocene pyroclastic cones (Luchitsky, 1974). It lies within the massive 17 x 32 km wide early Pleistocene Karymshina caldera, which produced about 800 cu km of rhyolitic ignimbrite about 1.78 million years ago. Two areas of late-Pleistocene to Holocene basaltic lava flows are located SE of the ring complex, and another group of younger cones and flows occurs to the NW.
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Smithsonian / GVP volcano information


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