Sunday, January 30, 2011

Japan: Eruptions continue, earthquake swarm at Mount St. Helens

ASIA ONE NEWS KAGOSHIMA, Japan - Minor eruptions continued at Shinmoedake peak on the border of Kagoshima and Miyazaki prefectures Friday, a day after the volcano erupted explosively for the first time in 52 years.

The volcano in the Kirishima mountain range spewed columns of smoke reaching more than 3,000 meters high, sending volcanic ash flying over the prefectures.

The Meteorological Agency said the explosive eruption--defined as one that causes air vibration and a seismic tremor--occurred at 3:41 p.m. on Thursday. House windows shuddered throughout the Kyushu region, and in Kochi and Ehime prefectures on Shikoku as the blast affected air pressure.

KING5.com Swarm of nine earthquakes at Mount St. Helens MOUNT ST. HELENS, Wash. – A series of nine small earthquakes shook an area near Mount St. Helens over the weekend.

Seismologists at the University of Washington have been monitoring the quakes.

A 2.6 quake occurred at 2:26 p.m. on Saturday about six miles north of the volcano. Another quake, a 2.5, occurred at 2:44 p.m. in the same area. The depth for both quakes was two miles. Another quake occurred six miles north-northwest at 10:48 p.m. That measured 2.2 and was 2.2 miles deep.

Smaller quakes, ranging from magnitude 1.3 to 2.2, occurred on Sunday.

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