Suwanosejima volcano (Japan): new explosion reported & activity summary for August 2012
Wed, 3 Oct 2012, 09:27 | BY: T
An explosion was reported this morning (around 07 am GMT time) with an ash plume reaching 10,000 (about 3 km) altitude.Summary for August 2012 activity (JMA):
No explosive eruptions occurred at Otake crater in August (as in July). The plume was observed only August 19th and the height was approx. 300 m above the crater rim during this period (maximum. 400 m in July). Weak volcanic glows in the crater were recorded at night with a high-sensitivity camera on August 8th-10th, 12th-14th, 18th-20th and 24th.
Seismic activity remained at low levels, with 17 A-type events (29 in July) and 39 B-type events (123 in July).
No volcanic tremor was observed in August (total tremor duration 38h 5m in July).
No unusual ground deformation was seen in GPS observation data.
At Otake crater, no eruption was observed during this period, but eruptions nevertheless have occurred repeatedly over a long time.
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Previous news
Wed, 3 Oct 2012, 06:00
Suwanosejima volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 October-9 October 2012 (New Activity / Unrest)
Based on a pilot observation, the Tokyo VAAC reported that on 3 October an ash plume from Suwanose-jima drifted SW at altitude of 3 km (10,000 ft) a.s.l. ... Read all
Thu, 8 Mar 2012, 07:13
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Tokyo VAAC reported an explosion from Suwanose-jima on 6 March. ... Read all
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