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Earth Happenings Archive
December 4, 2001 to December 17, 2001
December 17, 2001
On December 17, a 2.8 magnitude earthquake was felt in southern Arkansas. (National Earthquake Information Center).

On December 14, a 4.0 magnitude earthquake was felt 10 miles (15 km) SSE of Ukiah, California. (National Earthquake Information Center).

Seismic activity at Bezymianny (Kamchatka Peninsula, Russia) remained slightly above background levels. Weak shallow earthquakes have been registered under the volcano since 10 November, becoming slightly stronger beginning on 22 November. On 10 December a four-pixel thermal anomaly was visible on satellite imagery. A faint plume with little ash extended 87 km SE from the volcano.The Alert Level was raised from Green (the lowest level) to Yellow (the second lowest level). (Smithsonian Institution Global Volcanism Program).

According to news reports, small earthquakes and submarine eruptions occurred at Kick-'em-Jenny (N of Grenada, West Indies) beginning on about 2 December. The Seismic Research Unit of the University of the West Indies stated in the articles that "The premonitory earthquake swarms were more severe than any previously observed at Kick 'em Jenny but the size of the eruption .... has been very small so far." By 7 December the activity appeared to be calming down.(Smithsonian Institution Global Volcanism Program).

December 4, 2001
On December 2, a 6.5 magnitude earthquake was felt 15 miles (20 km) SSW of Morioka, Honshu, Japan. (National Earthquake Information Center).

Also on December 2, a 4.9 magnitude earthquake was felt 10 miles (15 km) SW of Van, Turkey. (National Earthquake Information Center).

As of 23 November, frequent Strombolian eruptions (~1-10 per day) occurred from a persistent ~15-m-diameter summit lava lake at Erebus. In addition, infrequent small ash eruptions took place at a vent adjacent to the lava lake. (Smithsonian Institution Global Volcanism Program).


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