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News
Saturday, Jul 06, 2013
A possible small eruption occurred this morning. Tokyo VAAC received a (pilot) report of an ash plume rising to 7,000 ft (2.1 km) and drifting 40 nautical miles to the north of the small island. No ash could be detected on satellite images, and sometimes weather clouds are mistaken for ash plumes. ... [more]
 

Iwo-Tori-shima volcano

complex volcano 212 m / 696 ft
Ryukyu Islands, Japan, 27.88°N / 128.22°E
Current status: normal or dormant (1 out of 5) | Reports
Iwo-Tori-shima volcano books
Last update: 19 Jun 2014 (possible small ash eruption on 6 July 2013)
Typical eruption style: explosive
Iwo-Tori-shima volcano eruptions: 2013, 1968, 1967, 1959, 1903, 1868, 1855, 1829, 1796, 1664 No recent earthquakes
TimeMag. / DepthDistanceLocation
Iwo-Tori-shima volcano (also known as Okinawa-Tori-shima), forms a small 1x2,7 km island located north of the largest island of the Ryukyus, Okinawa.
Records of historical eruptions dating back to 1664 have consisted of mild-to-moderate explosive activity. Iwo-dake, the volcano forming the NW part of the island, has a small lake, solfataras, and sulfur deposits that were mined in the past.
The name part Tori-shima ("Bird Island") is common for small offshore islands in Japan.

Background:

Iwo-Tori-shima is composed of 2 andesitic volcanoes: a volcanic edifice on the SE end with 2 nested sommas occupied by the Kusuku lava dome, and Iwo-dake, the NW-most volcano.
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Source: Smithsonian / GVP volcano information


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