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

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Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

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 October 2, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75243971/