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Fukutoku-Okanoba at the NASA Earth Observatory 12 February 2010

Posted by admin in Fukutoku-Okanoba, Japan, NASA Earth Observatory.
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Submarine Volcano Fukutoku-Okanoba Erupts (NASA Terra image, 9 February 2010)

Undersea volcano Fukutoku-Okanoba in the Japanese Volcano Islands erupted a few days ago, producing steam and ash, and discolouring the surrounding water. The NASA Earth Observatory has two nice images of this event captured on 9 and 11 February 2010. The first (detail above) was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite on 9 February 2010, while the second (detail below) comes from the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite and was captured on 11 February 2010.

Submarine Volcano Fukutoku-Okanoba Erupts (NASA EO-1 image, 11 February 2010)

(Thanks to the NASA Earth Observatory team for citing this blog as a source.)

Information
Global Volcanism Program: Fukutoku-Okanoba – information from the GVP about Fukutoku-Okanoba (0804-13=)

The Volcanism Blog

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SI/USGS Weekly Volcanic Activity Report 3-9 February 2010 10 February 2010

Posted by admin in activity reports, Bezymianny, Caribbean, Colombia, Dukono, Ecuador, eruptions, Fukutoku-Okanoba, Galeras, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Pacaya, Pacific, Russia, Sakura-jima, Sarychev Peak, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, United States, Weekly Volcanic Activity Reports.
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Some of the volcanic activity headlines this week:

  • Fukutoku-Okanoba: Surtseyan explosions from this undersea volcano
  • Pacaya: Strombolian activity reaching 30 metres above the cone
  • Kliuchevskoi: Strombolian activity projecting material up to 300 metres above the crater
  • Sakura-jima: lava fountain activity reaching up to 1 km in height, and an ash plume alive with lightning

SI/USGS Weekly Volcanic Activity Report 3-9 February 2010

Click on the map for a larger version (1280 x 898 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 3-9 February 2010 has been released but is not yet available on the Global Volcanism Program website because of technical problems caused by severe weather in the eastern United States. The following is a summary and not a substitute for the full report.

UPDATE: Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 3-9 February 2010 is now available at the Global Volcanism Program website.

New activity/unrest: Bezymianny (Russia), Fukutoku-Okanoba (Japan), Pacaya (Guatemala).

Ongoing activity: Dukono (Indonesia), Galeras (Colombia), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Sakura-jima (Japan), Sarychev Peak (Russia), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan), Tungurahua (Ecuador).

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Undersea eruption south of Japan caught on video 4 February 2010

Posted by admin in activity reports, eruptions, Fukutoku-Okanoba, Japan.
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Fukutoku-Okanoba undersea volcano erupting, February 2010 (stills from Japanese Coastguard video)

Fukutoku-Okanoba is a submarine volcano which is part of the Volcano Islands group, which is about 1000 km south of the main Japanese archipelago. Submarine, but only just, for its summit lies a mere 14 metres beneath the surface. This week it has been erupting, the first eruption (or, if you are British news channel ITN, ‘smoke explosion’) of Fukutoku-Okanoba since 2005, and the Japanese Coastguard caught the eruption on video. Four still images from the video can be seen above, showing steam billowing out and some dark-grey ash erupting from the ocean.

[Thanks to Ton van der Aa for the tip.]

News
Underwater volcano erupts in smoke explosion – ITN, 4 February 2010
Mogelijke uitbarsting zeevulkaan gefilmd – NUVideo, 4 February 2010
Undersea volcano close to Iwo Jima blows topMainichi Daily News, 4 February 2010

Information
Global Volcanism Program: Fukutoku-Okanoba – information from the GVP about Fukutoku-Okanoba (0804-13=)

The Volcanism Blog