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Nigorigawa volcano

caldera, hydrothermal field 356 m / 1,168 ft
Hokkaido, Japan, 42.12°N / 140.45°E
Current status: dormant (1 out of 5)
Nigorigawa volcano books
Typical eruption style: explosive
Nigorigawa volcano eruptions: ca. 12,000 years ago
TimeMag. / DepthDistanceLocation
Tue, 21 Mar
Tue, 21 Mar 16:02 UTCM 2.5 / 140.3 km4 kmIBURI REGION
Wed, 15 Mar
Wed, 15 Mar 11:27 UTCM 4.2 / 140.2 km3 kmIBURI REGION
Sun, 12 Mar
Sun, 12 Mar 23:33 UTCM 2.5 / 122.2 km21 kmUCHIURA BAY REGION
Sun, 12 Mar 15:23 UTCM 2.5 / 112.5 km17 kmS OFF TOMAKOMAI
Sat, 11 Mar
Sat, 11 Mar 00:08 UTCM 2.8 / 90.9 km45 kmS OFF TOMAKOMAI
View all recent quakes
Nigorigawa volcano is a geothermal field in the 3 km diameter Nigorikawa caldera on the shores of Uchiura Bay, southern Hokkaido, Japan. The caldera was formed during a major explosive eruption ca. 12,000 years ago.

Background:

The caldera-forming eruption of Nigorikawa volcano produced pyroclastic-fall and -surge deposits and pyroclastic-flow deposits that extend northward and westward to the Pacific coast. The town of Nigorigawa is located on the bottom of the flat caldera floor. The Nigorigawa river drains the area through a gap of the NW caldera rim.


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