M 3.4 - 7 km S of Brawley, CA
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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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