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Multiple earthquakes shook California's Bay Area Thursday afternoon. The earthquakes occurred near Hayward, around 20 miles southeast of Oakland, with the strongest one hitting at 1:59 p.m. local ...
A small earthquake was reported in Northern California on Friday afternoon. A 3.4-magnitude earthquake shook San Jose about 3:15 p.m. local time. According to the United States Geological Survey ...
A 3.2-magnitude earthquake shook the Bay Area in Northern California, the U.S. Geological Survey reported.. The nearly 6-mile-deep quake hit about 4 miles east of Fremont at 9:35 a.m. on Thursday ...
“Because this area has been in, or on the edge, of numerous large historical earthquakes, we are keeping close watch on it.” There are small earthquake swarms every couple of years on average in the subduction zone along the Aleutian chain. A swarm occured in May about 350 miles (550 kilometers) east of Sunday's activity, the center said.
More than 530 people reported feeling the quake, the USGS said.
The earthquake ruptured an area of about 120 mi × 60 mi (193 km × 97 km), equal to about 7,200 sq mi (19,000 km 2). The estimated maximum slip along this fault surface was about 3 to 4 m (9.8 to 13.1 ft). [30] The earthquake appears to have only partially ruptured the Shumagin segment of the subduction zone, at 75%.
According to USGS seismologists it is "the most urban fault" in the East Bay, with potential for a larger event than the 2014 South Napa earthquake. [6] As critical infrastructure, including refineries that process a significant portion of the state's total crude oil, and a railroad bridge, lie under it, a major earthquake from it could leave the entire northern half of the state without fuel ...
A 3.5 magnitude earthquake struck Pacifica, California, on Tuesday morning followed by two smaller quakes, according to the United States Geographraphical Survey (USGS).. At around 6.01am PST, the ...