The U.S. Geological Survey has recorded an earthquake that rolled through the Bay Area at 3:20 a.m. and 44 seconds.

USGS data shows the quake was a 6.0 quake that struck between Napa and the community of American Canyon. That’s the approximate location of the Rogers Creek Fault in the North Bay. The USGS reported the depth of the epicenter as 10.8 kilometers, relatively shallow.

This was an unusually long earthquake compared to most recent shakes in the Bay Area, lasting at least 10 seconds, with many witnesses in the immediate aftermath saying they felt movement for as long as 20 seconds.

The USGS is receiving reports that show the quake was felt across the Bay Area from Sonoma through Santa Cruz County. The extent of the damage isn't immediately clear, but there have been some reported injuries.

This is the largest quake in the area since the 6.9-magnitude Loma Prieta earthquake that occurred October 17, 1989.

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