Some 17 million people felt the 5.1-magnitude earthquake that shook Southern California Friday, U.S. Geological Survey said.
“About one in 1,000 are actually reporting... That’s a pretty good [data] sample. If you’re polling for political responses, that would be a huge sample,” he said.
The epicenter of the earthquake was relatively shallow, at a depth of 4.6 miles. It was centered about 1 mile south of La Habra, Calif., and 2 miles west of Brea, Calif.
[Los Angeles Times]
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