The California earthquake was reported two days after a 3.8-magnitude earthquake was reported in Alaska on Wednesday (June 18), according to the United States Geological Survey. The earthquake was centered near Cantwell at a depth of 87.5 kilometers (about 54 miles).

The Alaska earthquake was reported three days after a 5.6-magnitude earthquake was reported in Peru on June 15, according to the United States Geological Survey. The earthquake was centered near Callao at a depth of 53.5 kilometers (about 33 miles).

The Peru earthquake was reported four days after a 4.7-magnitude earthquake was reported in Alaska on June 11, according to the United States Geological Survey. The earthquake was centered near Adak at a depth of 27.1 kilometers (about 17 miles).

The Adak earthquake was reported one hours after a 4.1-magnitude earthquake was reported in Alaska on June 10, according to the United States Geological Survey. The earthquake was centered near Skwentna at a depth of 15.2 kilometers (about 9.4 miles).

The Alaska earthquake was reported hours after a 3.4-magnitude earthquake was reported in Nevada on June 9, according to the United States Geological Survey. The earthquake was centered near Rachel at a depth of 4.3 kilometers (about 2.8 miles).

The Nevada earthquake was reported hours after a 6.3-magnitude earthquake was reported in Colombia on June 8, according to the United States Geological Survey. The earthquake was centered near Paratebueno at a depth of 10 kilometers (about 6.2 miles).

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