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Hachijo-jima Volcano | John
Seach
Izu Islands, Japan
33.13 N, 139.77 E
summit elevation 854 m
stratovolcanoes
Hachijo-jima volcano is located in the central Izu Islands about 280 km south of Tokyo.
2009 Earthquake
A magnitude 6.6 earthquake hit 60 km SE of Hachijo-jima volcano on
13th August 2009.
2002 Earthquake Swarms
On 13th August 2002 earthquakes swarms began at Hachijo-jima
Volcano. On 15th August earthquakes were measured with a focus 2 km
off the Western shore of the island, at depths of 5-15 km.
Earthquakes decreased by 21st August.
Further Reading
Osozawa, S., Ito, H., Nakazato, H. and Wakabayashi, J., 2021. 4D volcanic geology of Hachijo-jima islet, Izu-Bonin arc.
Hachijo-jima Volcano Eruptions
1707?, 1606, 1605, 1518-23, 1487.