2.3

M2.3 Earthquake 11 km SSW of Tres Pinos, CA — September 16, 2025

2025-09-16 11:39:55 UTC (2025-09-16) · approx. 3:39 AM UTC-8 local

MagnitudeM2.3(md)
Time11:39 UTC≈ 3:39 AM UTC-8
Depth3.7 kmshallow crustal
Coordinates36.705°, -121.377°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 36.70°, -121.38°

Earthquake Details

Magnitude
2.3 md
Depth
3.7 km
shallow crustal
Location
36.7048°N
-121.3767°E

Technical Information

Event ID
nc75238367
Event Type
earthquake
Status
✓ Reviewed
Significance
78
Stations Used
79
Azimuthal Gap
28.0°
Min Station Distance
0.024°
RMS Residual
0.28 sec
Last Updated
2025-09-21 21:27:17 UTC

Nearby Earthquakes (Last 7 Days)

2.8
15 km ENE of Red Bluff, CA
2 hours ago · 9.7 km deep
3.7
17 km SE of Silver Springs, Nevada
5 hours ago · 5.0 km deep
2.8
17 km WSW of Johannesburg, CA
18 hours ago · 7.0 km deep
2.5
26 km NE of Viola, CA
18 hours ago · -2.0 km deep
2.9
17 km WSW of Johannesburg, CA
22 hours ago · 7.8 km deep
2.6
21 km N of Searles Valley, CA
1 day ago · 2.6 km deep
2.9
15 km NE of Little Lake, CA
1 day ago · 1.6 km deep
2.9
7 km WNW of Round Valley, CA
1 day ago · 4.9 km deep
2.8
18 km WSW of Petrolia, CA
1 day ago · 21.6 km deep
2.6
34 km SE of Mina, Nevada
1 day ago · 7.5 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

Authoritative source: USGS event page (event ID: nc75238367). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 16, 2025). M2.3 Earthquake 11 km SSW of Tres Pinos, CA — September 16, 2025. Retrieved May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75238367/