3.0
Earthquake Details: 9 km W of Palomar Observatory, California, United States
7/31/2026, 8:10:15 PM
A magnitude 3.0 earthquake occurred near 9 km W of Palomar Observatory, California, United States on 7/31/2026 at 8:10:15 PM. The seismic event was recorded at a depth of 14.39 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth14.39 km
Significance259
Latitude33.3535
Longitude-116.9555
Event IDci40664370
Magnitude3.0
Updated:8/5/2026, 5:47:33 PM
External Resources
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Time & depth
- Local time
- 7/31/2026, 1:10:15 PM PDT
- UTC
- 7/31/2026, 8:10:15 PM UTC
14.39 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 5, 2026, 05:47 PM UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.