The epicenter for all the quakes was about one mile east of Hayward, in San Francisco’s East Bay, according to the U.S.
This lack of damage near the epicenter puzzled scientists ... which could help better map the area’s fault systems. Other ...
The US Geological Survey (USGS)detected the massive tremor at 1:15pm local time, with its epicenter ... Blanco Fracture Zone (BFZ), deemed more active than California's San Andreas Fault.
The U.S. Geological Survey reported that the earthquake occurred at around 6:23 p.m. Eastern Time, with an epicenter about 129 miles southwest of George Town, the capital of the Cayman Islands ...