1.5
Earthquake Details: 7 km W of Gorst, Washington, United States
Oct 27, 2026, 23:58:21
- Depth
- 18.11 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 07:58 PM UTC
A magnitude 1.5 earthquake occurred on Oct 27, 2026 at 23:58:21. Epicenter: 7 km W of Gorst, Washington, United States. Reported depth: 18.11 km.
Tsunami information
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Time & depth
- Local time
- Oct 27, 2026, 16:58:21 PDT
- UTC
- Oct 27, 2026, 23:58:21 UTC
18.11 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 7
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.5
uw714130621
- Depth:
- 18.11 km
- Time:
- Updated:
- Oct 28, 2026, 07:58 PM UTC
Technical Details
Depth18.11 km
Significance35
Latitude47.5192
Longitude-122.8048
Event IDuw714130621
Magnitude1.5
Updated:Oct 28, 2026, 19:58:59 UTC
Regional Seismicity
External Resources
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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: Oct 28, 2026, 19:58 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).