M1.77 Earthquake – 20 km E of Castle Rock, Washington
27 July 2026, 11:04 UTC · 1 hour ago · Data: USGS
A magnitude 1.77 earthquake struck 20 km E of Castle Rock, Washington on 27 July 2026, 11:04 UTC, at a depth of 17.1 km. This was a micro earthquake rarely felt by people.
- Magnitude
- 1.77 (ml)
- Location
- 20 km E of Castle Rock, Washington
- Date & time
- 27 July 2026, 11:04 UTC
- Coordinates
- 46.2433, -122.6447
- Depth
- 17.11 km
- Region
- Worldwide
- Source
- USGS event page
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