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Monday, Mar 17, 2014
What looks like a new swarm of earthquakes accompanied by strong harmonic tremor appeared on the southernmost seismic station at La Restinga. If it is not due to some local, human-induced work or malfunction, it suggests that the quakes are very shallow, since they don't appear on the signals of other stations. ...
Saturday, Mar 15, 2014
A new swarm of earthquakes started yesterday. So far, almost 200 tiny quakes (none above magnitude 3 so far) have occurred in a broad N-S oriented area beneath the NE part of the island at around 18 km depth. ...
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Active volcanoes in China
: Did you know that there are at least 15 active volcanoes in China? The last eruption was from the Kunlun volcano in 1951.
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Small spherical balls of volcanic ash that form from a wet nucleus falling through a volcanic ash cloud.