That Bump in the Night Was an Earthquake
Sunday, May 30, 2010 Updated at 8:00 AM PDT
The U.S. Geological Survey reported an earthquake with a magnitude of 3.0 struck early Sunday morning in Alameda County and was followed by two smaller aftershocks.
The initial earthquake hit at 12:00 a.m. and had a depth of 3.4 miles, according to the USGS.
The quake was centered about 2 miles east-northeast of San Leandro and west-northwest of Castro Valley, the USGS reported.
Two aftershocks of magnitude 2.6 and magnitude 1.7 hit at 12:04 a.m. and 1:06 a.m., respectively.
The NBC Bay Area newsroom received a few calls from viewers, but noone reported any damage.
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