California, United States · within 250 km
Earthquakes near San Francisco
In the last 30 days, 21 earthquakes of magnitude 2.5 or greater were recorded within 250 km of San Francisco; the largest was a magnitude 3.7 earthquake 28 km WSW of Ukiah, California, United States on 26 Sep 2026.
Data: USGS · updated · sources and licences
- 24 hours
- 32
- all magnitudes
- 7 days
- 1
- M2.5+
- 30 days
- 21
- M2.5+
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Last 24 hours
Earlier this week, magnitude 2.5 and above
None of magnitude 2.5 or greater earlier this week.
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Largest in the last 30 days
| Mag | Location | Time (UTC) |
|---|---|---|
| 3.7mw | 28 km WSW of Ukiah, California, United States | |
| 3.4ml | 41 km ENE of Fort Bragg, California, United States | |
| 3.3mw | 29 km WSW of Patterson, California, United States | |
| 3.3mw | 10 km WSW of South Lake Tahoe, California, United States | |
| 3.1ml | 9 km ENE of Blackhawk, California, United States | |
| 3.0md | 8 km ESE of Cloverdale, California, United States | |
| 3.0ml | 11 km NE of Blackhawk, California, United States | |
| 3.0md | 17 km ENE of Cloverdale, California, United States | |
| 2.9md | 10 km WSW of South Lake Tahoe, California, United States | |
| 2.8md | 17 km ENE of Cloverdale, California, United States |
Where they occurred
Largest since 1900
Magnitude 6 and above within 250 km of San Francisco.
Loading the historical catalogue…
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Questions
How many earthquakes happen within 250 km of San Francisco?
In the last 30 days, 21 earthquakes of magnitude 2.5 or greater were recorded within 250 km of San Francisco, 1 of them in the last 7 days. In the last 24 hours, 32 earthquakes of any magnitude were recorded. Most small earthquakes are not felt.
What was the largest recent earthquake within 250 km of San Francisco?
The largest in the last 30 days was a magnitude 3.7 earthquake 28 km WSW of Ukiah, California, United States on 26 Sep 2026, at a depth of 5 km.
What is the largest earthquake recorded within 250 km of San Francisco since 1900?
According to the USGS catalogue, the largest was a magnitude 7.9 earthquake on 18 Apr 1906 (The 1906 San Francisco, California Earthquake). Magnitudes of early 20th-century earthquakes are less certain than modern ones.
How deep are earthquakes within 250 km of San Francisco?
100% of the magnitude 2.5+ earthquakes recorded within 250 km of San Francisco in the last 30 days were shallower than 70 km. Shallow earthquakes generally cause stronger shaking at the surface than deep ones of the same magnitude.
Where can I get official earthquake information for San Francisco, California?
For official information, warnings and safety advice, follow USGS Earthquake Hazards Program (https://earthquake.usgs.gov/) and your local civil protection authority. This site compiles agency reports and is not a warning service.
Can earthquakes be predicted?
No. Scientists can estimate how likely strong shaking is in a region over years or decades, but no method predicts the time, place and size of a specific earthquake. Aftershocks are expected after large earthquakes and become less frequent over time.