Several minor earthquakes were recorded near San Ramon and Petrolia in recent weeks, with no reports of injuries or damage.

According to the U.S. Geological Survey, a 2.6 magnitude quake rattled near Petrolia Thursday morning. A tremor struck the ...

HUMBOLDT COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.6 magnitude quake occurred close to Petrolia ...

Petrolia Mayor Brad Loosley announced he won’t run for a third term in the fall. “It was a big decision, and it wasn’t easy,” Loosley said. “I felt, at this stage in my life, it was time to let ...

HUMBOLDT COUNTY, CA - Monday evening, a 2.7 magnitude quake was detected near Petrolia, according to the U.S. Geological Survey. The tremor shook the region at 8:38 p.m. It occurred at a depth of 9 ...