Live record · within 100 km (62 mi) · M2.5+
Earthquakes near South San Francisco
In the last 30 days there were 3 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of South San Francisco, California, and 0 in the last 24 hours. The strongest was a magnitude 3.3, 88 km (55 mi) ESE of South San Francisco, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days3
- Last year127
- Last 5 years317
M1+ in the last 7 days: 11. Methodology
01 — History
Earthquakes per month near South San Francisco
183 earthquakes of magnitude 2.5 or larger within 100 km of South San Francisco in the last 24 months. The busiest month was Dec 2025, with 34.
02 — Recent
Recent earthquakes near South San Francisco
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.5 | 5 km W of Yountville, CA | 83 km / 51 mi | depth 8 km | |
| 2.6 | 26 km WSW of Westley, CA | 88 km / 55 mi | depth 4 km | |
| 3.3 | 27 km WSW of Westley, CA | 88 km / 55 mi | depth 3 km |
03 — Questions
Earthquakes in South San Francisco, answered
Was there an earthquake in South San Francisco today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of South San Francisco in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near South San Francisco?
Over the last five years there were 317 earthquakes of magnitude 2.5 or larger within 100 km of South San Francisco, an average of 63 a year. 127 occurred in the last 12 months. That is 100% above the five-year average.
What was the largest earthquake near South San Francisco in five years?
A magnitude 5.1 on Oct 25, 2022, 18:42 UTC, 75 km (47 mi) ESE of South San Francisco, at a depth of 8 km. See this earthquake
Counts describe past activity within 100 km of the city centre. They are not a forecast or a risk assessment. Data updated . Source: USGS.
05 — Embed
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