Skip to main content
AREAZINENotices · US CA UK AU

USGSSeptember 23, 2026

M3.0 earthquake, 17 km WSW of Johannesburg, CA

A magnitude 3.0 earthquake was recorded 17 km WSW of Johannesburg, CA at a depth of 5 km, according to the U.S. Geological Survey. It was the 9,313th earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.

M3.0

The notice

Issued by
U.S. Geological Survey
Area
17 km WSW of Johannesburg, CA
State
California
Magnitude
3.0 (local magnitude)
Depth
5.4 km
Time
2026-09-23 15:01:48 UTC
Felt reports
2 people told the USGS they felt it (strongest reported intensity 1)
Status
reviewed by a seismologist
Epicentre
35.309, -117.806
Official source
U.S. Geological Survey: the notice at its source

Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.