A 4.1-magnitude earthquake was reported in California on Thursday (October 24), according to the United States Geological Survey.
The earthquake was centered in Petrolia at a depth of 9.3 kilometers (about 5.8 miles). The USGS said it received 68 reports of people having felt the earthquake at the time of publication.
The Petrolia earthquake was reported three days after a 3.6-magnitude earthquake was reported in California on Monday (October 21), according to the United States Geological Survey. The earthquake was centered on the southeastern tip of San Clemente Island at a depth of 0.2 kilometers (about 0.12 miles).
The California earthquakes struck days after a 6.0-magnitude earthquake was reported in Turkey last Wednesday (October 16), according to the United States Geological Survey. The earthquake was centered in Doğanyol at a depth of 10 kilometers (about 6.2 miles).
The Turkey earthquake was reported days after a 2.5-magnitude earthquake was reported in South Carolina on October 13, according to the United States Geological Survey. The earthquake was centered in Coronaca at a depth of 18.6 kilometers (about three miles).
The October 13 earthquake was the second to hit Coronaca in a three-day span. A 2.2-magnitude earthquake was reported in the same city on October 10 with a 3.0 kilometer (about two miles) depth.
A 3.4-magnitude earthquake was reported in California on October 11, according to the United States Geological Survey. The earthquake was centered in Stovepipe Wells at a depth of 1.4 kilometers (about one mile).
The Stovepipe Wells earthquake struck three days after a 4.3-magnitude earthquake was reported in California on October 8, according to the United States Geological Survey. The earthquake was centered in Dillon at a depth of 11.2 kilometers (about seven miles).