A 6.2-magnitude earthquake was reported in Alaska on Friday (March 21), according to the United States Geological Survey.

The earthquake was centered in Adak at a depth of 26 kilometers (about 16 miles). The USGS said it received zero reports of people having felt the earthquake at the time of publication.

Friday's earthquake was reported hours after a 5.6-magnitude earthquake was reported in the same city on Thursday (March 20), according to the United States Geological Survey. The previous earthquake was centered in Adak at a depth of 35 kilometers (about 22 miles).

The Alaska earthquakes were reported days after a 3.9-magnitude earthquake was reported in California on Monday (March 17), according to the United States Geological Survey. The earthquake was centered in Dublin at a depth of 11 kilometers (about 6.8 miles).

The Dublin earthquake was reported hours after another 3.9-magnitude earthquake was reported in California on Sunday (March 16), according to the United States Geological Survey. The earthquake was centered in Malibu at a depth of 14.4 kilometers (about nine miles).

The Malibu earthquake was reported hours after a 4.2-magnitude earthquake was reported in Alaska on Sunday, according to the United States Geological Survey. The earthquake was centered in Perryville at a depth of 37.7 kilometers (about 23 miles).

The Perryville earthquake was reported days after a 5.1-magnitude earthquake was reported in Alaska last Thursday (March 13), according to the United States Geological Survey. The earthquake was centered in Ambler at a depth of 9.8 kilometers (about six miles).

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