7 Biggest Earthquakes in California History—Napa's Not Even Close

The state has been home to many of the highest magnitude shake-ups in the contiguous United States.

The earthquake that rattled Napa Valley wine country early Sunday morning clocked in at a magnitude 6.0. That was big enough to be felt across the Bay Area and to damage buildings, spark fires, and cause injuries in this populated region.

But it was far from the biggest in a state that was home to five of the ten biggest quakes on record in the lower 48 U.S. states. (Related: "What Caused California's Napa Valley Earthquake? Faults Explained.")

Sunday's shake-up was one of the largest to strike northern California since the magnitude 6.9 Loma Prieta quake in 1989. But quakes of magnitude 6.0 and greater are not uncommon historically along California's network of faults, notably the San Andreas.

The buildup and periodic

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