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Kurikoma volcano

stratovolcano 628 m / 5,341 ft
Honshu, Japan, 38.96°N / 140.79°E
Current status: dormant (1 out of 5)
Typical eruption style: explosive
Kurikoma volcano eruptions: 1950, 1946, 1944, 1783 (?), 1744, 1726 ± 10, 1450 ± 50, 3540 BC ± 1000 years
Last earthquakes nearby:
TimeMag. / DepthDistanceLocation
Fri, 17 May
Fri, 17 May 10:27 UTCM 0.7 / 7 km11 km岩手県内陸南部
Fri, 17 May 08:15 UTCM 0.3 / 7 km14 km岩手県内陸南部 (Iwate Pref.)
Fri, 17 May 08:15 UTCM 1.2 / 10 km15 km岩手県内陸南部
Thu, 16 May
Thu, 16 May 18:59 UTCM 0.9 / 9 km15 km岩手県内陸南部 (Iwate Pref.)
Thu, 16 May 18:15 UTCM 1.2 / 8 km38 km岩手県内陸南部 (Iwate Pref.)
View all recent quakes
Kurikoma volcano is a complex stratovolcano cut by a 4 km wide caldera located in northern Honshu, Japan. It contains the Tsurugi-dake lava dome, a central post-caldera cone, known as the site of former sulfur mining.
Minor phreatic eruptions have occurred in historical time from the central cone.

Background:

Geologic history of the Kurikuma complex:
The earliest eruptions from Higashi-Kurikoma began about 500,000 years agoand produced lava flows to the north and south. This stage was followed by the growth of the Higashi-Kurikoma (East Kurikoma) stratovolcano. The next volcanic edifice to form was Magusa-dake volcano on the western side of the complex, active until about 100,000 years ago. Construction of Magusa-dake's main cone concluded with lava flows to the east, SE, and west.
Daichigamori lava dome and Aguroshi-yama pyroclastic cone are located on the southern flank.
(Source: GVP / Smithsonian Institution)


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