M 3.5 - 6 km WSW of Hermosa Beach, CA
A magnitude 3.5 earthquake was recorded by USGS near 6 km WSW of Hermosa Beach. On the USGS Earthquake Hazards Program scale, M3.5 is classified "Minor". Among the 1,838 earthquake reports Areazine has published, this M3.5 event ranks stronger than 32% of them (rank #1,179 by magnitude).
The earthquake report, at a glance
- Magnitude
- M 3.5
- USGS class
- Minor
- Location
- 6 km WSW of Hermosa Beach
- Archive rank
- #1,179 of 1,838
- Source
- USGS
- Published
- September 27, 2026
Sits above 32% of the 1,838 earthquakes in the archive by magnitude; 1,178 ran stronger.
Record status: a point-in-time USGS detection. Aftershocks, revised magnitude, and felt-report data continue to update on USGS's own event page after publication.
What Happened
A magnitude 3.5 mlr earthquake occurred at 05:00:01 UTC on October 28, 2026 (1790523601580 Unix time). The event was located 6 km WSW of Hermosa Beach, CA, at a depth of 11.85 km.
Location Details
The epicenter was at coordinates 33.8442°N, 118.4650°W. The depth of 11.85 km classifies this as a shallow earthquake (less than 20 km), which can produce more noticeable shaking at the surface compared to deeper events.
Impact Assessment
The earthquake was felt by 1 person, with a maximum reported intensity of II on the Community Decimal Intensity scale and a Modified Mercalli Intensity of 3.2. No tsunami advisory was issued (tsunami flag: 0) and no alert level was assigned.
What You Should Know
Earthquakes of this magnitude are classified as minor and are often felt but rarely cause damage. Residents in the area should be prepared for possible smaller aftershocks in the coming days and follow standard earthquake safety practices such as dropping, covering, and holding on during shaking.
Source
Data provided by the USGS. Event page
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Similar notices nationwide by length or severity timing 8
Beyond this USGS earthquake report's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.
Similar body length
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Similar severity timing
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Common Questions
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