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Gorely is a very active caldera volcano with some of its latest eruptions in1980 -81 and 1984-86. Most of these eruptions have been observed in Petropavlovsk, Kamchatka which is 150 km away. GorleyUs caldera is elliptical and is about 10 x 13 km with a shield cone at its center. This volcano, also known as Gorely Khrebet, is structurally similar to IcelandUs Hekla volcano.
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Three big craters are located at its summit, one of which is filled by a lake. Gorely is the result of several merged cones that became streached in a lateral direction this also resulting in their summit craters being placed in a line. Lava has flooded large areas of the bottom of Gorley's caldera, one flow descending northwest from the mountain stretched for 9 km. Some other volcanoes in this local area are: Mutnovsky, Asacha, and Opala.
Sources of Information:
Erlich, Edward 1986 Geology of Calderas of Kamchatka and Kurile Islands
with Comparison to Calderas of Japan and the Aleutians, Alaska Open-File
Report 86-291, US Dept. of the Interior- Geological Survey, p106-8.
Vlodavetz V.I., Piip B. I. 1959 Kamchatka and Continential Areas of Asia. Catalog of Active Volcanoes of the World, Rome IAVCEI, 8: p19-20.
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