Seismic activity on March 20: Earthquake near Alberto Oviedo Mota, B.C., MX detected - magnitude 3.2

ENSENADA, B.C. - A preliminary 3.2 magnitude quake shook near Alberto Oviedo Mota, B.C. on Friday night, according to the U.S. Geological Survey.

2.9 magnitude earthquake reported near Petrolia, CA on March 21

HUMBOLDT COUNTY, CA - A preliminary 2.9 magnitude quake rattled near Petrolia on Saturday afternoon, according to the U.S. Geological Survey.