Two Earthquakes in Two Days: Southern California Rocked by a Larger, Second Earthquake

Following Thursday’s 6.4 earthquake, Southern California was rocked by another earthquake Friday night. Initially, the United States Geological Survey reported it as a 7.1 magnitude earthquake with an updated magnitude of 6.9, only to have it to return to 7.1. At this magnitude, the earthquake clocks in five times bigger than Thursday’s tremor.

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