M4.1 quake hits Napa, California – the strongest since last year’s M6.0

M4.1 quake hits Napa, California – the strongest since last year’s M6.0

Magnitude 4.1 earthquake was registered by the USGS at a depth of 8.9 km (5.5 miles) in Napa County, California at 02:53 UTC on May 22, 2015. It is the strongest earthquake since August 23, 2014 when the region was hit by strong and shallow M6.0.Going back a bit further

The next Napa earthquake could be much bigger, scientists find

The next Napa earthquake could be much bigger, scientists find

The magnitude 6 earthquake that shook the Napa Valley in August 2014 was the strongest the region had felt in more than 20 years. But the next earthquake in the area could be much stronger, according to preliminary research from the University of California, Davis, pres