Earthquake swarm shakes remote area along eastern Sierra
The Associated Press
Last Updated: September 19, 2004, 06:04:51 AM PDT
MAMMOTH LAKES, Calif. (AP) - A swarm of earthquakes - one a magnitude-5.5 - jolted a remote, sparsely populated area along the eastern Sierra Nevada on Saturday, authorities said.
A Mono County sheriff's dispatcher said there were no immediate reports of any injuries or damage from the temblors centered along the California-Nevada line about 30 miles northeast of Mammoth Lakes.
David Oppenheimer, a seismologist for the U.S. Geological Survey in Menlo Park, said most of the 70 quakes in the sequence that began 12:02 a.m. Saturday were magnitude-2 or less.
The magnitude-5.5 temblor that struck at 4:02 p.m. was followed by a magnitude-5.4 quake at 4:43 p.m., he said. The moderate quakes were the biggest in the swarm and the biggest on the fault in more than a decade.
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