Aftershocks Rattle Napa Valley 1 Week After Destructive Magnitude 6 Quake

MENLO PARK (CBS SF) — A significant aftershock from last weekend’s magnitude-6.0 earthquake has rattled the Napa Valley.

The U.S. Geological Survey says the magnitude-3.2 tremor struck 5 miles south of the city of Napa just before 2 a.m. Sunday.

Thomas Brocher, director of USGS’ Earthquake Science Center, says it wasn’t the strongest aftershock to rumble the region since the main quake a week ago caused as much as $1 billion in damage and multiple injuries.

A magnitude-3.9 aftershock centered 8 miles south of Napa hit early Tuesday morning.

The USGS reported a minor 2.5 magnitude earthquake Sunday at 6:37 a.m. in Green Valley, about seven miles east-southeast of Napa.

No additional damage or injuries were reported.

The USGS says there have been more than 70 aftershocks recorded since last Sunday’s earthquake.

TM and © Copyright 2014 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2014 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press and Bay City News contributed to this report


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