2.8

M2.8 Earthquake 16 km WSW of Johannesburg, CA — September 8, 2026

2026-09-08 12:45:07 UTC (2026-09-08) · approx. 4:45 AM UTC-8 local

MagnitudeM2.8(ml)
Time12:45 UTC≈ 4:45 AM UTC-8
Depth6.9 kmshallow crustal
Coordinates35.325°, -117.805°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 35.33°, -117.81°

Earthquake Details

Magnitude
2.8 ml
Depth
6.9 km
shallow crustal
Location
35.3253°N
-117.8052°E

Technical Information

Event ID
ci41542768
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
49
Azimuthal Gap
32.0°
Min Station Distance
0.067°
RMS Residual
0.19 sec
Last Updated
2026-10-01 08:06:50 UTC

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Actions

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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci41542768). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 8, 2026). M2.8 Earthquake 16 km WSW of Johannesburg, CA — September 8, 2026. Retrieved October 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci41542768/