4.3 mi SW of St. Helena (Napa County)
1km SSE of Angwin, CA
Saturday, December 17, 2022 at 5:01:32 AM
about 3 years ago
Did you feel this earthquake?
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Epicenter Location
Be Prepared for Next Time
After feeling that M1.0 earthquake, are you ready?
72-Hour Emergency Kit (2-Person)
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Community Reports
Share your experience! Tell us where you were and what you felt. Your report helps others understand the impact of this earthquake.
Join the Forum Discussion
Extended discussion with the community
What This Means
A magnitude 1.0 earthquake is typically not felt and is only detected by sensitive instruments. Thousands of these occur daily worldwide.
This was a shallow earthquake (1.5 mi deep), which can feel stronger at the surface than deeper earthquakes of the same magnitude.
Want to see more earthquakes?
Explore the live earthquake map and track all recent seismic activity in the Bay Area.