Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Foster City
In the last 30 days there were 5 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Foster City, California, and 1 in the last 24 hours. The strongest was a magnitude 3.3, 74 km (46 mi) ESE of Foster City, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours1
- Last 7 days1
- Last 30 days5
- Last year146
- Last 5 years374
M1+ in the last 7 days: 13. Methodology
01 — History
Earthquakes per month near Foster City
209 earthquakes of magnitude 2.5 or larger within 100 km of Foster City in the last 24 months. The busiest month was Dec 2025, with 34.
02 — Recent
Recent earthquakes near Foster City
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.5 | 4 km SE of Aromas, CA | 97 km / 60 mi | depth 5 km | |
| 2.5 | 10 km E of Gilroy, CA | 96 km / 59 mi | depth 6 km | |
| 2.5 | 5 km W of Yountville, CA | 94 km / 59 mi | depth 8 km | |
| 2.6 | 26 km WSW of Westley, CA | 74 km / 46 mi | depth 4 km | |
| 3.3 | 27 km WSW of Westley, CA | 74 km / 46 mi | depth 3 km |
03 — Questions
Earthquakes in Foster City, answered
Was there an earthquake in Foster City today?
Yes. USGS recorded 1 earthquake of magnitude 2.5 or larger within 100 km of Foster City in the last 24 hours. The table above has times and magnitudes.
Are earthquakes common near Foster City?
Over the last five years there were 374 earthquakes of magnitude 2.5 or larger within 100 km of Foster City, an average of 75 a year. 146 occurred in the last 12 months. That is 95% above the five-year average.
What was the largest earthquake near Foster City in five years?
A magnitude 5.1 on Oct 25, 2022, 18:42 UTC, 60 km (37 mi) ESE of Foster City, 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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