Earthquake swarm under Brawley, Southern California

Earthquake swarm under Brawley, Southern California

A swarm of shallow earthquakes is being registered under the city of Brawley, California since December 31, 2016. Mayor Sam Couchman said the quakes have placed the city of 26 000 on edge. By 15:25 UTC on January 2, 2017, more than 260 small to moderate earthquakes…

Strong and shallow M6.5 earthquake hits off the coast of Northern California

Strong and shallow M6.5 earthquake hits off the coast of Northern California

A strong and shallow earthquake registered by the USGS as M6.5 hit off the coast of Northern California at 14:49 UTC on December 8, 2016. The agency is reporting a depth of 10 km (6.2 miles). The epicenter was located 148.5 km (92.3 miles) W of Capetown (population…

Series of small tremors rattle Ridgemark, California

Series of small tremors rattle Ridgemark, California

The US Geological Survey reported an M3.5 earthquake, about 11 km (6.8 miles) south-southeast of Ridgemark, central California, on October 18, 2016, 22:09 UTC. The quake that occurred at a depth of 7.7 km (4.7 miles) is the latest in the series of small tremors…

New fault line discovered near San Andreas in southern California

New fault line discovered near San Andreas in southern California

Scientists from Scripps Institution of Oceanography and the Nevada Seismological Laboratory have discovered a new, potentially significant fault in southern California. Now named the Salton trough fault (STF), the newly discovered fault runs parallel to the San…

Increased risk of a major earthquake on San Andreas fault, California

Increased risk of a major earthquake on San Andreas fault, California

Although the swarm of over 300 earthquakes under the Salton Sea in southern California seems to be over, seismologists are warning there still remains an increased risk of a big earthquake on the San Andreas fault. Experts said it’s important to understand…

Swarm of small earthquakes hits Salton Sea, California

Swarm of small earthquakes hits Salton Sea, California

Between 11:03 UTC on September 26 and 06:03 UTC on September 27, 2016, USGS registered a total of 143 earthquakes in a remote desert area around the Salton Sea in California. Three of them had magnitudes above 4. The largest was a shallow M4.3 at 14:31 UTC on…

New long-term earthquake forecast for California

New long-term earthquake forecast for California

A new California earthquake forecast by the USGS and partners revises scientific estimates for the chances of having large earthquakes over the next several decades. The Third Uniform California Earthquake Rupture Forecast, or UCERF3, improves upon previous models by in