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October 24, 2014
California quake aftermath seen from above
As Northern Californians picked up the pieces and cooled their nerves on the afternoon of August 24th, just hours after being jostled or lurched from bed by the 3:20am magnitude 6.0 South Napa quake, a satellite an aircraft whizzing by overhead snapped a shot of the scene. Check out some of these remarkable scenes within it that show damage, response, and recovery. The image is now visible in Google Earth, and in Google Maps on …
September 11, 2014
Lurching ground and bouncing bridges in the Napa earthquake
My rides along Amtrak California’s Capitol Corridor now include an eerie stretch where they pass the site at which the highest ground motions in the Napa earthquake were recorded mere weeks ago. Just at the south abutments of the I-80 bridges over the Carquinez Strait, where the Union Pacific tracks pass through the C&H refinery, a shallow borehole seismometer recorded an acceleration of 0.99g, nearly the full force of gravity lurching soil and …
August 30, 2014
Earthquake rupture through a U.S. suburb
In the quiet wee hours of a NorCal summer night, the ground lurched beneath the mud of the northern San Francisco Bay and sent seismic waves roaring upward and outward into the world-famous wine valley’s central city, Napa, CA. After they wreaked their havoc in Napa and nearby communities the seismic waves spread farther afield and gently rumbled most of the Bay Area and its exurbs from our weekend slumber. By the time …
