1.7
Earthquake Details: 4 km SW of Palomar Observatory, CA
Aug 19, 2026, 00:20:09
A magnitude 1.7 earthquake occurred near 4 km SW of Palomar Observatory, CA on Aug 19, 2026 at 00:20:09. The seismic event was recorded at a depth of 11.06 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth11.06 km
Significance46
Latitude33.3265
Longitude-116.8887
Event IDci41529744
Magnitude1.7
Updated:Aug 19, 2026, 19:30:00 UTC
External Resources
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Time & depth
- Local time
- Aug 18, 2026, 17:20:09 PDT
- UTC
- Aug 19, 2026, 00:20:09 UTC
11.06 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.5Gulf Of CaliforniaBeforeM3.1Offshore Baja California, MexicoBeforeM3.614 km N of Warner Springs, CAAfterM3.0Baja California, MexicoAfterM3.7Baja California, MexicoAfterM3.310 km ENE of Coso Junction, CAAfterM3.6Offshore Baja California, MexicoAfterM4.010 km ENE of Coso Junction, CAAfterM3.410 km ENE of Coso Junction, CAAfterM3.1Baja California, MexicoAfterM3.510 km ENE of Coso Junction, CAAfterM3.0Baja California, MexicoAfter
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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 19, 2026, 19:30 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.