A preliminary 2.2 magnitude quake was recorded near Petrolia at midnight on Thursday, the U.S. Geological Survey reported.

A preliminary 2.5 magnitude quake was registered close to Petrolia Wednesday afternoon, according to the U.S. Geological ...

Rong-Gong Lin II is a reporter for the Los Angeles Times based in San Francisco who specializes in covering statewide earthquake safety issues and other natural disasters, public health and extreme ...