2.1

M2.1 Earthquake 3 km SE of Pacifica, CA — October 2, 2025

2025-10-02 17:19:18 UTC (2025-10-02) · approx. 9:19 AM UTC-8 local

MagnitudeM2.1(md)
Time17:19 UTC≈ 9:19 AM UTC-8
Depth9.2 kmshallow crustal
Coordinates37.592°, -122.463°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 37.59°, -122.46°

Earthquake Details

Magnitude
2.1 md
Depth
9.2 km
shallow crustal
Location
37.5922°N
-122.4632°E

Technical Information

Event ID
nc75243971
Event Type
earthquake
Status
Automatic
Significance
68
Stations Used
34
Azimuthal Gap
84.0°
Min Station Distance
0.032°
RMS Residual
0.03 sec
Last Updated
2025-10-02 17:57:16 UTC

Nearby Earthquakes (Last 7 Days)

2.5
26 km NE of Viola, CA
57 min ago · -2.0 km deep
2.9
17 km WSW of Johannesburg, CA
5 hours ago · 7.8 km deep
2.6
21 km N of Searles Valley, CA
6 hours ago · 2.6 km deep
2.9
15 km NE of Little Lake, CA
12 hours ago · 1.6 km deep
2.9
7 km WNW of Round Valley, CA
13 hours ago · 4.9 km deep
2.8
18 km WSW of Petrolia, CA
14 hours ago · 21.6 km deep
2.6
34 km SE of Mina, Nevada
16 hours ago · 7.5 km deep
2.7
26 km NE of Viola, CA
1 day ago · 8.3 km deep
3.4
26 km NE of Viola, CA
1 day ago · 7.0 km deep
2.5
7 km NW of Avenal, CA
1 day ago · 9.0 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.1 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: nc75243971). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, October 2, 2025). M2.1 Earthquake 3 km SE of Pacifica, CA — October 2, 2025. Retrieved May 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75243971/