Hundreds of Mostly Tiny Quakes Are Rattling Yellowstone Park - NYTimes.com
But at a time when the disastrous earthquake in Haiti on Jan. 12 has
refocused global attention on the earth's immense store of tectonic
energy, scientists say that the Yellowstone swarm, if only because of
its volume, bears close observation: as of Sunday, there had been 1,608
quakes since Jan. 17.
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