M1.56 Earthquake – 20 km E of Castle Rock, Washington
7 October 2026, 20:15 UTC · 1 hour ago · Data: USGS
A magnitude 1.56 earthquake struck 20 km E of Castle Rock, Washington on 7 October 2026, 20:15 UTC, at a depth of 16.4 km. This was a micro earthquake rarely felt by people.
- Magnitude
- 1.56 (ml)
- Location
- 20 km E of Castle Rock, Washington
- Date & time
- 7 October 2026, 20:15 UTC
- Coordinates
- 46.2462, -122.6463
- Depth
- 16.40 km
- Region
- Worldwide
- Source
- USGS event page
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