map. In San Diego County, light shaking was reported ... Aftershocks, as explained by USGS, are smaller earthquakes that follow the mainshock within one to two fault lengths distance from the ...

map. In San Diego County, light shaking was reported ... Aftershocks, as explained by USGS, are smaller earthquakes that follow the mainshock within one to two fault lengths distance from the ...

map. The initial quake was followed ... of damage or injuries due to the quakes. The article Earthquake, Aftershock Shake Riverside, San Diego Counties appeared first on San Diego Patch.

USGS data showed shaking was felt as far west as San Francisco and as far south as San Jose. The earthquake struck at a depth of about 6.4 miles, according to the geological survey. A second ...