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Lvinaya Past volcancaldeira 528 m / 1,732 ft
Iturup Island, Iles Kuriles, 44.61°N / 146.99°E Condition actuelle: en sommeil (1 sur 5)
Style éruptif tipique: Explosive
Eruptions du volcan Lvinaya Past: 7480 BC ± 50 years Derniers séismes proches:
The caldera is open to the sea on the NW and the floor of the caldera is 550 m below sea level. The last known eruption of Lvinaya Past volcano occurred about 9400 years ago and was one of the largest eruptions in the Kurile Islands during the past 10,000 years. Introduction:The volcano derives its name from a rock resembling a sleeping lion that breaches the surface at the center of the submerged caldera rim. A shallow 5-km-wide passageway on the NW side allows access of the Sea of Okhotsk into the caldera basin, whose floor is 550 m below sea level and lies almost 1 km below the caldera rim.Thick dacitic pumice deposits from the caldera forming eruption 9400 years ago form the 50-60 m high Yuzhny (Southern) isthmus, which joins the 3 southernmost volcanoes on Iturup Island, Rokko, Lvinaya Past, and Berutarube. (source: GVP Lvinaya Past volcano information) |
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