Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Hercules
In the last 30 days there were 5 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Hercules, California, and 0 in the last 24 hours. The strongest was a magnitude 3.3, 99 km (62 mi) SE of Hercules, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days1
- Last 30 days5
- Last year168
- Last 5 years489
M1+ in the last 7 days: 55. Methodology
01 — History
Earthquakes per month near Hercules
250 earthquakes of magnitude 2.5 or larger within 100 km of Hercules in the last 24 months. The busiest month was Dec 2025, with 35.
02 — Recent
Recent earthquakes near Hercules
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.5 | 2 km NW of The Geysers, CA | 95 km / 59 mi | depth 0 km | |
| 2.5 | 1 km SSW of Anderson Springs, CA | 90 km / 56 mi | depth 2 km | |
| 2.5 | 5 km W of Yountville, CA | 44 km / 27 mi | depth 8 km | |
| 2.6 | 26 km WSW of Westley, CA | 99 km / 61 mi | depth 4 km | |
| 3.3 | 27 km WSW of Westley, CA | 99 km / 62 mi | depth 3 km |
03 — Questions
Earthquakes in Hercules, answered
Was there an earthquake in Hercules today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Hercules in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Hercules?
Over the last five years there were 489 earthquakes of magnitude 2.5 or larger within 100 km of Hercules, an average of 98 a year. 168 occurred in the last 12 months. That is 72% above the five-year average.
What was the largest earthquake near Hercules in five years?
A magnitude 5.1 on Oct 25, 2022, 18:42 UTC, 95 km (59 mi) SE of Hercules, 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
Put this on your website
Show a live version of this report on your own site. It’s free, updates every two minutes and links back here. How the widget works.
<iframe src="https://quakewatch.beer/embed/us/california/hercules" width="360" height="430" style="border:0" loading="lazy" title="Recent earthquakes near Hercules"></iframe>