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Haku-san volcanstratovolcan 2702 m / 8,865 ft
Honshu, Japon, 36.15°N / 136.77°E Condition actuelle: en sommeil (1 sur 5)
Style éruptif tipique: Explosive
Eruptions du volcan Haku-san: 1659, 1658, 1640, 1582, 1579, 1554-56, 1548, 1547, 1177, 1042, 900 (?), 859 (?), 853 (?), 706 Derniers séismes proches:
the volcano last erupted in 1659, but many eruptions have been recorded during the 1000 years prior to this. Haku-san National Park is the most scenic part of the Hokuriku area known for its heavy snowfall. Most of the park is a protected wilderness area. Introduction:Haku-san volcano is a complex andesitic-dacitic stratovolcano which was constructed over a high basement of sedimentary rocks. Eruptions in the past 10,000 years consisted of phreatic or phreatomagmatic explosions from several summit craters.Partial collapse of the summit produced a debris avalanche that came down the east flank ca. 5,000 years ago. |
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