1.8
Earthquake Details: 3 km SW of Kapowsin, Washington
Sep 4, 2026, 22:08:43
A magnitude 1.8 earthquake occurred near 3 km SW of Kapowsin, Washington on Sep 4, 2026 at 22:08:43. The seismic event was recorded at a depth of -0.48 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-0.48 km
Significance50
Latitude46.9642
Longitude-122.2495
Event IDuw714095072
Magnitude1.8
Updated:Sep 4, 2026, 22:49:34 UTC
External Resources
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Time & depth
- Local time
- Sep 4, 2026, 15:08:43 PDT
- UTC
- Sep 4, 2026, 22:08:43 UTC
-0.48 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.32 km W of Sandpoint, IdahoBeforeM1.84 km WSW of Yacolt, WashingtonBeforeM2.24 km NNE of Snoqualmie, WashingtonBeforeM2.5British Columbia, CanadaBeforeM2.6British Columbia, CanadaBeforeM2.7British Columbia, CanadaBeforeM2.581 km W of Neskowin, OregonBeforeM1.23 km E of Granite Falls, WashingtonBeforeM2.4WashingtonBeforeM2.962 km W of Yachats, OregonAfterM3.382 km W of Yachats, OregonAfterM3.720 km E of Castle Rock, WashingtonAfter
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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: Sep 4, 2026, 22:49 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.