2.4
M2.4 Earthquake 9 km E of Alum Rock, CA — October 3, 2026
2026-10-03 20:45:59 UTC (9 hours ago) · approx. 12:45 PM UTC-8 local
MagnitudeM2.4(md)
Time20:45 UTC≈ 12:45 PM UTC-8
Depth5.6 kmshallow crustal
Coordinates37.359°, -121.720°
Felt byNo felt reports
StatusAutomatic (preliminary)

Earthquake Details
Magnitude
2.4 md
Depth
5.6 km
shallow crustal
Location
37.3590°N
-121.7203°E
-121.7203°E
Technical Information
Event ID
nc75443676
Event Type
earthquake
Status
Automatic
Significance
89
Stations Used
66
Azimuthal Gap
37.0°
Min Station Distance
0.107°
RMS Residual
0.08 sec
Last Updated
2026-10-03 21:07:20 UTC
Nearby Earthquakes (Last 7 Days)
2.93.33.02.63.82.62.54.82.63.6
10 km WSW of South Lake Tahoe, CA
23 hours ago · 7.1 km deep
9 km WSW of South Lake Tahoe, CA
1 day ago · 10.9 km deep
8 km ESE of Cloverdale, CA
3 days ago · 4.0 km deep
1 km SW of Anderson Springs, CA
3 days ago · 1.8 km deep
4 km SE of Piru, CA
4 days ago · 9.6 km deep
6 km W of Yountville, CA
4 days ago · 8.3 km deep
2 km SSW of Round Valley, CA
4 days ago · 8.6 km deep
97 km W of Petrolia, CA
4 days ago · 10.0 km deep
9 km NW of Redwood Valley, CA
6 days ago · -0.4 km deep
7 km WSW of Hermosa Beach, CA
6 days ago · 11.8 km deep
Actions
Understanding This Data
Magnitude 2.4 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: nc75443676). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 3, 2026). M2.4 Earthquake 9 km E of Alum Rock, CA — October 3, 2026. Retrieved October 3, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75443676/