Up to 70 Minor Quakes Felt at Yellowstone
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Associated Press
YELLOWSTONE NATIONAL PARK, Wyo. — A “swarm” of minor earthquakes, possibly as many as 70, shuddered beneath Yellowstone National Park, officials said Friday.
The earthquakes, which started about 9:30 a.m. Thursday and continued throughout the day, were not related to the major quake that ravaged Mexico City, the U.S. Geological Survey said. Geophysicist John Minsch said that the largest quake measured between 2.8 and 3 on the Richter scale.
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