M 3.6 Earthquake 7 km S of Brawley, CA
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A magnitude 3.6 mlr earthquake struck 7 km south of Brawley, California, at a depth of 11 km and was felt by 23 people.
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, Southern California.
What Happened
A magnitude 3.6 mlr earthquake occurred at 7 km S of Brawley, CA, on 2026-07-23 at 12:51:48 UTC. The event registered a depth of 10.99 km.
Location Details
The earthquake was located at coordinates 32.9143°N, 115.5373°W, approximately 7 km south of Brawley, CA. The depth of 11 km classifies it as shallow (less than 20 km).
Impact Assessment
The earthquake was felt by 23 people, with a maximum reported intensity (CDI) of 3.1 and instrumental intensity (MMI) of 3.9. No tsunami was generated (tsunami advisory status: none). No alert level was issued.
What You Should Know
Earthquakes of this magnitude (M 2.5-3.9) are classified as minor and are often felt but rarely cause damage. Residents in the area should be prepared for possible aftershocks and follow standard earthquake safety practices such as dropping, covering, and holding on during shaking.
Source
Original source: USGS Official Notice ↗
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