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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
Wed, 24 May
Wed, 24 May 16:22 UTCM 2.5 / 111.7 km18 kmIBURI REGION
Fri, 19 May
Fri, 19 May 00:56 UTCM 2.7 / 12.7 km112 kmSW OFF HOKKAIDO
Thu, 11 May
Thu, 11 May 11:52 UTCM 2.8 / 117.7 km19 kmS OFF TOMAKOMAI
Tue, 9 May
Tue, 9 May 23:52 UTCM 3.9 / 91.3 km47 kmS OFF TOMAKOMAI
Tue, 9 May 01:58 UTCM 3.0 / 57.3 km42 kmOSHIMA PEN REG HOKKAIDO
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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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