USGS Did You Feel It Screengrab

U.S. Geological Survey plot of reports of Sunday night's 3.1 earthquake in the Berkeley Hills.

U.S. Geological Survey plot of reports of Sunday night’s 3.1 earthquake in the Berkeley Hills.

Download Original: 640 × 490 3.0 Berkeley Hills Quake Felt Across Bay Area

USGS Did You Feel It Screengrab 6 October,2013Dan Brekke