M 3.4 - 7 km S of Brawley, CA

Source: USGS · Southern California

Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.

A magnitude 3.4 earthquake struck 7 km south of Brawley, California, on July 23, 2026, at 12:49 UTC.

What this USGS earthquake report tells you, and what most readers miss

This notice was issued by USGS on July 23, 2026 and geographically references Southern California. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.

Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, California.

What Happened

A magnitude 3.4 ml earthquake occurred at 12:49:11 UTC on July 23, 2026 (Unix timestamp 1784796551930). The event was located at a depth of 16 km.

Location Details

The earthquake was centered 7 km south of Brawley, CA, at coordinates 32.9148330688477, -115.538497924805. A depth of 16 km is classified as shallow (less than 20 km).

Impact Assessment

The earthquake was felt by 7 people, with a maximum reported intensity (CDI) of 3.3. No tsunami was generated (tsunami flag: 0) and no alert level was issued.

What You Should Know

Earthquakes of this magnitude (M 2.5-3.9) are often felt but rarely cause damage. Minor aftershocks are possible.

Source

Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/ci40659914

Original source: USGS Official Notice ↗

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Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A magnitude 3.4 earthquake struck 7 km south of Brawley, California, on July 23, 2026, at 12:49 UTC.
Which agency issued this alert?
This alert was issued by USGS. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Southern California. Check with USGS for the most current geographic scope.
Where can I find more Earthquakes updates?
Browse the full Earthquakes feed on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.