Earthquake reference

20 km E of Castle Rock, Washington

1.66 | 2026-09-16T12:14:06.800000+00:00 | 46.2465 | -122.643333333333

333Same Day Events
24.3Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
1.66
Occurred at
2026-09-16T12:14:06.800000+00:00
Updated at
2026-09-16T19:36:57.560000+00:00
Review status
removed-from-feed
Latitude
46.2465
Longitude
-122.643333333333
Depth (km)
17.37

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.