2.5

M2.5 Earthquake 17 km WSW of Johannesburg, CA — September 23, 2026

2026-09-23 19:59:30 UTC (2026-09-23) · approx. 11:59 AM UTC-8 local

MagnitudeM2.5(ml)
Time19:59 UTC≈ 11:59 AM UTC-8
Depth6.5 kmshallow crustal
Coordinates35.311°, -117.802°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 35.31°, -117.80°

Earthquake Details

Magnitude
2.5 ml
Depth
6.5 km
shallow crustal
Location
35.3110°N
-117.8015°E

Technical Information

Event ID
ci41337943
Event Type
earthquake
Status
✓ Reviewed
Significance
92
Stations Used
54
Azimuthal Gap
25.0°
Min Station Distance
0.057°
RMS Residual
0.19 sec
Last Updated
2026-09-23 20:26:27 UTC

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Actions

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Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci41337943). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 23, 2026). M2.5 Earthquake 17 km WSW of Johannesburg, CA — September 23, 2026. Retrieved September 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci41337943/