A 4.5-magnitude earthquake struck the eastern part of the San Francisco Bay Area on Monday night, jolting residents as far south as San Jose.
According to the U.S. Geological Survey, the 10:33 p.m. Pacific Daylight Time quake was centered 22 miles northeast of San Francisco, in Pleasant Hill, a city of more than 30,000 residents. The earthquake was measured at a depth of just over 9 miles.
A smaller, 2.5-magnitude earthquake occurred just 10 minutes earlier in the same region.
Hours later, at 12:42 p.m. PDT on Tuesday, a 4.7-magnitude earthquake shook San Benito County in Central California near the town of Hollister. That quake wasn’t related to the Bay Area temblors, according to the USGS.
The USGS said residents should be on the alert for aftershocks. Smaller earthquakes are likely over the next week, with a 2% chance that an aftershock will be larger than Monday night’s 4.5-magnitude quake, it warned.
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SOURCE: The Wall Street Journal, Talal Ansari