1.8
Earthquake Details: 1 km SE of Pacifica, CA
Aug 28, 2026, 20:28:32
A magnitude 1.8 earthquake occurred near 1 km SE of Pacifica, CA on Aug 28, 2026 at 20:28:32. The seismic event was recorded at a depth of 9.19 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth9.19 km
Significance51
Latitude37.6067
Longitude-122.4755
Event IDnc75426477
Magnitude1.8
Updated:Aug 29, 2026, 00:52:24 UTC
External Resources
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Time & depth
- Local time
- Aug 28, 2026, 13:28:32 PDT
- UTC
- Aug 28, 2026, 20:28:32 UTC
9.19 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.6143 km W of Ferndale, CaliforniaBeforeM2.5Central CaliforniaBeforeM2.311 km SSW of Lompoc, CABeforeM2.31 km SE of Pacifica, CABeforeM2.22 km NE of The Geysers, CABeforeM2.76 km NNW of Redwood Valley, CABeforeM2.722 km SE of Yosemite Valley, CABeforeM2.666 km W of Petrolia, CAAfterM4.8136 km W of Ferndale, CaliforniaAfterM4.885 km W of Petrolia, CAAfterM2.977 km W of Petrolia, CAAfterM4.6off the coast of Northern CaliforniaAfter
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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 29, 2026, 00:52 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.