M1.5 earthquake 37 km NNE of Amboy, Washington
A magnitude 1.5 earthquake struck 37 km NNE of Amboy, Washington on Sat, Sep 19, 2026, 8:26 PM PDT (03:26 UTC), -2 km (-1 mi) below the surface.
A larger quake followed: M1.7 18 km N of Amboy, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 2026-09-20 03:26:33 UTC
- Depth
- -1.8 km (-1.1 mi), shallow
- Epicenter
- 46.199° N, 122.196° W
- Region
- Washington
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.2 km horizontally, 15.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 58°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 since this one and 13 in the 30 days before it.
After
- 1.55 km SSW of Morton, Washington · 35 hr ago · 10 km deep · 36 km away
- 1.718 km N of Amboy, Washington · 14 hr ago · 10 km deep · 23 km away
Before
- 2.725 km ENE of Yacolt, Washington · 4 days ago · 9 km deep · 29 km away
- 1.511 km NE of Ashford, Washington · 5 days ago · 5 km deep · 73 km away
- 2.010 km SSE of Scappoose, Oregon · 5 days ago · 23 km deep · 77 km away
- 1.720 km E of Castle Rock, Washington · 6 days ago · 17 km deep · 35 km away
- 1.57 km NNE of Ashford, Washington · 10 days ago · 8 km deep · 71 km away
- 3.820 km E of Castle Rock, Washington · 17 days ago · 18 km deep · 35 km away · felt by 1,025
- 1.632 km N of Amboy, Washington · 19 days ago · 10 km deep · 14 km away
- 1.68 km E of Ashford, Washington · 23 days ago · -1 km deep · 66 km away
- 1.520 km S of Packwood, Washington · 23 days ago · 4 km deep · 51 km away
- 1.66 km NE of Rochester, Washington · 27 days ago · 6 km deep · 99 km away
- 1.827 km N of Amboy, Washington · 28 days ago · 6 km deep · 22 km away
- 1.78 km E of Ashford, Washington · 31 days ago · 2 km deep · 66 km away
- 2.48 km E of Ashford, Washington · 31 days ago · 4 km deep · 66 km away · felt by 3
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw714106021. Read Tue, Sep 22, 2026, 10:10 AM UTC.