2.8

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

2026-09-08 12:45:07 UTC (3 hours ago) · approx. 4:45 AM UTC-8 local

MagnitudeM2.8(ml)
Time12:45 UTC≈ 4:45 AM UTC-8
Depth7.0 kmshallow crustal
Coordinates35.327°, -117.807°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 35.33°, -117.81°

Earthquake Details

Magnitude
2.8 ml
Depth
7.0 km
shallow crustal
Location
35.3268°N
-117.8068°E

Technical Information

Event ID
ci41542768
Event Type
earthquake
Status
Automatic
Significance
121
Stations Used
50
Azimuthal Gap
32.0°
Min Station Distance
0.067°
RMS Residual
0.20 sec
Last Updated
2026-09-08 14:34:15 UTC

Nearby Earthquakes (Last 7 Days)

3.1
10 km ENE of Coso Junction, CA
2 days ago · 2.6 km deep
3.2
4 km SSE of Compton, CA
2 days ago · 12.8 km deep
2.7
4 km NE of Temecula, CA
3 days ago · 10.4 km deep
3.2
6 km SE of Ontario, CA
6 days ago · 6.1 km deep

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 September 8, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci41542768/