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Sumiyoshi-ike volcano

maars 15 m / 49 ft
Kyushu, Japan, 31.77°N / 130.59°E
Current status: (probably) extinct (0 out of 5)
Sumiyoshi-ike volcano books
Typical eruption style: explosive
Sumiyoshi-ike volcano eruptions: 4550 BC, 5050 BC
TimeMag. / DepthDistanceLocation
Sun, 21 May
Sun, 21 May 03:11 UTCM 2.5 / 9.5 km46 kmW OFF AMAKUSA ISLAND
Fri, 19 May
Fri, 19 May 06:55 UTCM 2.8 / 8.5 km16 kmNEAR KAGOSHIMA CITY
Thu, 27 Apr
Thu, 27 Apr 20:50 UTCM 2.8 / 9.6 km45 kmW OFF AMAKUSA ISLAND
Sumiyoshi-ike volcano refers to 2 maars 2 km apart located in the coastal lowland north of the Aira caldera: Sumiyoshi-ike (500 m diameter) and Yonemaru (1.2 km).
The maars erupted when sea level was rising about 8,000 years ago (Sumiyoshi-ike) and 6500 years ago (Yonemaru). The larger of the two, Yonemaru, produced pyroclastic surges that traveled 4 km from the crater.


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