4.7 mi NE of Martinez (Contra Costa County)
8 km SSW of Martinez, CA
Thursday, December 21, 2023 at 11:01:02 PM
about 2 years ago
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Epicenter Location
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After feeling that M1.7 earthquake, are you ready?
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Extended discussion with the community
What This Means
A magnitude 1.7 earthquake is typically not felt and is only detected by sensitive instruments. Thousands of these occur daily worldwide.
This was a shallow earthquake (4.7 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.