2.6

M2.6 Earthquake 15 km S of Santa Rosa Is., CA — December 28, 2025

2025-12-28 23:44:13 UTC (2025-12-28) · approx. 3:44 PM UTC-8 local

MagnitudeM2.6(ml)
Time23:44 UTC≈ 3:44 PM UTC-8
Depth7.1 kmshallow crustal
Coordinates33.808°, -120.074°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 33.81°, -120.07°

Earthquake Details

Magnitude
2.6 ml
Depth
7.1 km
shallow crustal
Location
33.8082°N
-120.0737°E

Technical Information

Event ID
ci41148447
Event Type
earthquake
Status
✓ Reviewed
Significance
104
Stations Used
16
Azimuthal Gap
175.0°
Min Station Distance
0.170°
RMS Residual
0.23 sec
Last Updated
2026-04-01 22:48:31 UTC

Nearby Earthquakes (Last 7 Days)

3.5
16 km NW of Pinnacles, CA
2 days ago · 10.0 km deep
2.5
9 km NW of Calipatria, CA
2 days ago · 2.8 km deep
3.4
47 km SE of Beatty, Nevada
2 days ago · 9.1 km deep
3.0
46 km ESE of Beatty, Nevada
2 days ago · 8.4 km deep
3.2
13 km NNE of Avalon, CA
5 days ago · 8.8 km deep
2.8
18 km WSW of Westmorland, CA
6 days ago · 10.0 km deep
3.2
2 km SE of Aromas, CA
6 days ago · 7.1 km deep
3.0
12 km ESE of Gilroy, CA
6 days ago · 4.9 km deep
3.0
17 km WSW of Johannesburg, CA
6 days ago · 7.4 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.6 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci41148447). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 28, 2025). M2.6 Earthquake 15 km S of Santa Rosa Is., CA — December 28, 2025. Retrieved April 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci41148447/