A 3.7-magnitude earthquake was reported in California on Wednesday (December 18), according to the United States Geological Survey.
The earthquake was centered in Petrolia at a depth of 5.3 kilometers (about 3.3 miles). The USGS said it received four reports of people having felt the earthquake at the time of publication.
Several earthquakes have been reported in Petrolia in recent weeks, most notably a 7.0-magnitude earthquake on December 5, according to the United States Geological Survey. The earthquake was centered in Petrolia at a depth of 0.6 kilometers (about 0.37 miles).
A tsunami warning was issued for the San Francisco Bay Area by the National Weather Service following the earthquake report. “Evacuation is recommended. Move to high ground or inland,” the weather service’s advisory system reads," NWS said via the New York Post.
The USGS also reported a 2.5-magnitude earthquake in French Gulf, California, and a 2.5-magnitude earthquake in Cobb, California, at the same time as the 7.0-magnitude Petrolia earthquake.
A 5.4-magnitude earthquake was also reported in California on Saturday (December 15), according to the United States Geological Survey.
The earthquake was centered in Petrolia at a depth of 10 kilometers (about 6.2 miles).
A 7.3-magnitude earthquake was reported in Vanuatu on Tuesday (December 17), according to the United States Geological Survey. The earthquake was centered in Port-Vila at a depth of 57.1 kilometers (about 35.5 miles).