Main Volcanoes Opala

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Facts Description
Name: Opala
GVP Number: 300080
Synonims: Opalskaya sopka, Apalskaya sopka, Apachinskaya sopka
Region: Kamchatka Peninsula
Volcanic Area: Southern Kamchatka
Coordinates:
52°32'34" N   157°20'19" E
Absolute Elevation: 2475 m
Status: Active
Aviation Color Code: GREEN
Location: The volcano is located in the northern part of the Southern Kamchatka volcanic zone 70 km from the western coast of Kamchatka and 110 km from Petropavlovsk-Kamchatsky
Type: Stratovolcano
Composition: basalts, andesite-basalts, andesites
Recent Known Eruption: 1912 (X)
Раннеплейстоценовый базальтовый щит диаметром 25 км осложнен на вершине позднеплейстоценовой кальдерой диаметром 13 и 19 км. Пирокласты распространены на несколько десятков км от вулкана по бассейну реки Опала. Общий объем их 90 куб. км. Голоценовый стратовулкан Опала расположен в кальдере эксцентрично. Он насажен на северный сегмент кольцевого разлома кальдеры. Диаметр конуса 12 км, относительная высота 1400 м [1].

References

1. Апродов В.А. Вулканы. М.: Мысль, 1982. 367 с.
Potencial Hazard
Potential hazards are therminal explosive-effusive eruptions which produce ash plumes, ash falls, pyroclastic and lava flows and lahars. Principal hazards of the volcano eruptions are ash plumes, ash falls, pyroclastic flows, and lahars. Ash falls possible at: Petropavlovsk-Kamchatsky, Yelizovo, Paratunka.




 

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