Live record · within 100 km (62 mi) · M2.5+
Earthquakes near Alum Rock
In the last 30 days there were 5 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of Alum Rock, California, and 0 in the last 24 hours. The strongest was a magnitude 3.3, 34 km (21 mi) E of Alum Rock, on 2026-09-27.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days2
- Last 30 days5
- Last year174
- Last 5 years533
M1+ in the last 7 days: 21. Methodology
01 — History
Earthquakes per month near Alum Rock
277 earthquakes of magnitude 2.5 or larger within 100 km of Alum Rock in the last 24 months. The busiest month was Feb 2026, with 39.
02 — Recent
Recent earthquakes near Alum Rock
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 3.0 | 15 km S of Tres Pinos, CA | 92 km / 57 mi | depth 6 km | |
| 3.1 | 23 km WSW of Gustine, CA | 57 km / 36 mi | depth -1 km | |
| 2.5 | 10 km E of Gilroy, CA | 53 km / 33 mi | depth 6 km | |
| 2.6 | 26 km WSW of Westley, CA | 34 km / 21 mi | depth 4 km | |
| 3.3 | 27 km WSW of Westley, CA | 34 km / 21 mi | depth 3 km |
03 — Questions
Earthquakes in Alum Rock, answered
Was there an earthquake in Alum Rock today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of Alum Rock in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near Alum Rock?
Over the last five years there were 533 earthquakes of magnitude 2.5 or larger within 100 km of Alum Rock, an average of 107 a year. 174 occurred in the last 12 months. That is 63% above the five-year average.
What was the largest earthquake near Alum Rock in five years?
A magnitude 5.1 on Oct 25, 2022, 18:42 UTC, 15 km (9 mi) ESE of Alum Rock, 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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