1.6
Earthquake Details: 20 km E of Castle Rock, Washington, United States
Nov 1, 2026, 05:24:23
- Depth
- 15.91 km
- Felt reports
- No data
Source: USGSUpdated: Nov 1, 2026, 05:26 AM UTC
A magnitude 1.6 earthquake occurred on Nov 1, 2026 at 05:24:23. Epicenter: 20 km E of Castle Rock, Washington, United States. Reported depth: 15.91 km.
Tsunami information
Loading data...
Time & depth
- Local time
- Oct 31, 2026, 22:24:23 PDT
- UTC
- Nov 1, 2026, 05:24:23 UTC
15.91 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Loading map...
Nearby major cities
Nearby earthquakes · 12
M2.22 km SW of Tonasket, WashingtonBeforeM2.23 km SSW of Tonasket, WashingtonBeforeM1.84 km S of Carbonado, WashingtonBeforeM3.2Vancouver Island, Canada regionBeforeM2.5Vancouver Island, Canada regionBeforeM1.722 km WNW of Loomis, WashingtonBeforeM2.6WashingtonBeforeM2.111 km NE of Ashford, WashingtonBeforeM2.931 km W of Yachats, OregonAfterM2.4off the coast of OregonAfterM2.422 km W of Yachats, OregonAfterM1.85 km S of Lake Morton-Berrydale, WashingtonAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 1.64
uw714133261
- Depth:
- 15.91 km
- Time:
- Updated:
- Nov 1, 2026, 05:26 AM UTC
Technical Details
Depth15.91 km
Significance41
Latitude46.2492
Longitude-122.6503
Event IDuw714133261
Magnitude1.6
Updated:Nov 1, 2026, 05:26:19 UTC
Regional Seismicity
External Resources
You may also find these tools useful
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: Nov 1, 2026, 05:26 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).