Earthquake reference
21 km ESE of Castle Rock, Washington
0.4 | 2026-09-17T03:19:15.560000+00:00 | 46.2353333333333 | -122.634166666667
319Same Day Events
24.1Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count
Key facts
- Magnitude
- 0.4
- Occurred at
- 2026-09-17T03:19:15.560000+00:00
- Updated at
- 2026-09-17T19:05:58.150000+00:00
- Review status
- removed-from-feed
- Latitude
- 46.2353333333333
- Longitude
- -122.634166666667
- Depth (km)
- 17.12
Source and context
- Source
- USGS Earthquake Hazards Program
- Applicable date
- 2026-10-18
- Dataset version
- 3cf1423f7d0a
- License
- United States public domain
Reference data can change. Verify consequential decisions against the original source.