1.7

M1.7 Earthquake 18 km N of Amboy, Washington — September 21, 2026

2026-09-21 20:08:49 UTC (2026-09-21) · approx. 12:08 PM UTC-8 local

MagnitudeM1.7(md)
Time20:08 UTC≈ 12:08 PM UTC-8
Depth10.4 kmshallow crustal
Coordinates46.074°, -122.430°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 46.07°, -122.43°

Earthquake Details

Magnitude
1.7 md
Depth
10.4 km
shallow crustal
Location
46.0738°N
-122.4302°E

Technical Information

Event ID
uw714107211
Event Type
earthquake
Status
✓ Reviewed
Significance
44
Stations Used
22
Azimuthal Gap
115.0°
Min Station Distance
0.117°
RMS Residual
0.12 sec
Last Updated
2026-09-21 22:23:43 UTC

Actions

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Location

Washington
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Understanding This Data

Magnitude 1.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: uw714107211). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 21, 2026). M1.7 Earthquake 18 km N of Amboy, Washington — September 21, 2026. Retrieved September 21, 2026 from https://www.earthquaketracker.org/earthquakes/event/uw714107211/