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Quake information: Reported (unconfirmed) earthquake: Close to San Francisco, California, USA, 19 April 2021 14:55 GMT

Although our monitoring service initially determined network activity typical of an earthquake, there was no confirmation from a national or international seismological agency. Because of this, it is highly unlikely that it was caused by an earthquake.

19 Apr 16:05 UTC: First report: VolcanoDiscovery after 1 hour and 10 minutes.

I felt this tremor

I didn’t feel it

Date and time: April 19, 2021 14:55:32 UTC –
Size: unknown
Depth: 10.0 km
Latitude / Longitude of epicenter: 37.65859 ° N / 122.4693 ° W. (California, USA)
Nearest volcano: Clear Lake (148 km)
Primary data source: VolcanoDiscovery

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Data for the same earthquake reported by different authorities

Info: The more agencies report on the same quake and publish similar data, the more confidence you can have in the data. It usually takes up to a few hours for the earthquake parameters to be calculated with near optimal accuracy.

size depth place source
not specified n / A Near San Francisco, California, USA VolcanoDiscovery

User reports for this quake (1)

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City of Daly (0 km northeast of the epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 1-2 s : A truck drove over the house

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