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Ioto (Iwo-Jima) volcano (Japan): phreatic eruption in April
Thursday Jun 06, 2013 10:05 AM | BY: T
The latest report from the Japan Meteorological Agency (which is always published with one-month delay) indicates that a small phreatic eruption occurred on 11 April this year.
The volcano has had similar phreatic explosions in the recent years. As most of the previous ones, this latest one occurred from the "Old Crater" also known as the the "Million Dollar Hole" - a nickname that dates back to WW2 when US soldiers after a battle on the island in 1945 used the crater to store equipment and supplies.
Wednesday, Jun 05, 2013
: Activity continues with little changes, although the slow trend of decreasing seismic activity persists. A small lava lake 20 m across and weak strombolian activity were recently observed by Russian volcanologists who visited the site. Lava flows continue to be alimented and spread mainly to the SE. ...
Monday, Jun 03, 2013
Mayon (Luzon Island)
: The alert level for the volcano has been raised by PHILVOLCS. A weak incandescence is sometimes observed at the summit, and slight inflation has been detected, suggesting that magma has started to intrude into the volcanic edifice. ...
Friday, May 31, 2013
Popocatépetl (Central Mexico)
: Activity has continued to decrease and there have been no new significant explosions. The number of steam-gas emissions (which sometimes contain also small amounts of ash) has dropped from an average of 5 per hour to only 2 per hour last night. ...
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: A third tectonic setting where volcanism occurs is believed to be the result of mantle plumes and not directly related to plate boundaries. So called hot spot volcanoes fall into this category.