3.0

M3.0 Earthquake 17 km WSW of Johannesburg, CA — September 23, 2026

2026-09-23 20:44:36 UTC (6 hours ago) · approx. 12:44 PM UTC-8 local

MagnitudeM3.0(ml)
Time20:44 UTC≈ 12:44 PM UTC-8
Depth7.2 kmshallow crustal
Coordinates35.310°, -117.805°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 35.31°, -117.81°

Earthquake Details

Magnitude
3.0 ml
Depth
7.2 km
shallow crustal
Location
35.3098°N
-117.8055°E

Technical Information

Event ID
ci41337999
Event Type
earthquake
Status
✓ Reviewed
Significance
135
Stations Used
54
Azimuthal Gap
32.0°
Min Station Distance
0.054°
RMS Residual
0.15 sec
Last Updated
2026-09-23 21:01:13 UTC

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Actions

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Understanding This Data

Magnitude 3.0 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci41337999). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 23, 2026). M3.0 Earthquake 17 km WSW of Johannesburg, CA — September 23, 2026. Retrieved September 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci41337999/