1.8

M1.8 Earthquake 23 km NE of Amboy, Washington — October 3, 2026

2026-10-03 04:39:48 UTC (5 days ago) · approx. 8:39 PM UTC-8 local

MagnitudeM1.8(ml)
Time04:39 UTC≈ 8:39 PM UTC-8
Depth0.7 kmshallow crustal
Coordinates46.077°, -122.255°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 46.08°, -122.25°

Earthquake Details

Magnitude
1.8 ml
Depth
0.7 km
shallow crustal
Location
46.0770°N
-122.2548°E

Technical Information

Event ID
uw714115121
Event Type
earthquake
Status
✓ Reviewed
Significance
52
Stations Used
74
Azimuthal Gap
39.0°
Min Station Distance
0.105°
RMS Residual
0.12 sec
Last Updated
2026-10-05 03:59:40 UTC

Actions

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Location

Washington
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Understanding This Data

Magnitude 1.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: uw714115121). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, October 3, 2026). M1.8 Earthquake 23 km NE of Amboy, Washington — October 3, 2026. Retrieved October 5, 2026 from https://www.earthquaketracker.org/earthquakes/event/uw714115121/