2.1

M2.1 Earthquake 16 km WSW of Johannesburg, CA — April 27, 2025

2025-04-27 18:48:33 UTC (2025-04-27) · approx. 10:48 AM UTC-8 local

MagnitudeM2.1(ml)
Time18:48 UTC≈ 10:48 AM UTC-8
Depth7.5 kmshallow crustal
Coordinates35.334°, -117.806°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 35.33°, -117.81°

Earthquake Details

Magnitude
2.1 ml
Depth
7.5 km
shallow crustal
Location
35.3340°N
-117.8057°E

Technical Information

Event ID
ci41137096
Event Type
earthquake
Status
✓ Reviewed
Significance
65
Stations Used
41
Azimuthal Gap
36.0°
Min Station Distance
0.074°
RMS Residual
0.17 sec
Last Updated
2025-04-28 23:14:21 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: ci41137096). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 27, 2025). M2.1 Earthquake 16 km WSW of Johannesburg, CA — April 27, 2025. Retrieved April 28, 2025 from https://www.earthquaketracker.org/earthquakes/event/ci41137096/