M1.5 earthquake 38 km NNE of Amboy, Washington
A magnitude 1.5 earthquake struck 38 km NNE of Amboy, Washington on Tue, Apr 3, 1990, 5:18 AM PDT (12:18 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.9 13 km SSW of Morton, 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-04-03 12:18:42 UTC
- Depth
- 2.6 km (1.6 mi), shallow
- Epicenter
- 46.202° N, 122.188° 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.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.2 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 49°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.637 km NNE of Amboy, Washington · 13329 days ago · -2 km deep · 0 km away
- 1.522 km ENE of Ashford, Washington · 13327 days ago · -1 km deep · 79 km away
- 1.829 km SSW of White Swan, Washington · 13319 days ago · 0 km deep · 96 km away
- 2.329 km SSW of White Swan, Washington · 13319 days ago · -1 km deep · 96 km away
- 1.510 km E of Ashford, Washington · 13319 days ago · 7 km deep · 67 km away
- 1.838 km NNE of Amboy, Washington · 13319 days ago · -2 km deep · 1 km away
- 1.814 km SE of Mossyrock, Washington · 13318 days ago · 17 km deep · 28 km away
- 2.16 km S of Mill Plain, Washington · 13314 days ago · 15 km deep · 72 km away
- 2.19 km W of Packwood, Washington · 13309 days ago · 8 km deep · 53 km away
- 2.410 km W of Packwood, Washington · 13309 days ago · 7 km deep · 52 km away
- 1.837 km NNE of Amboy, Washington · 13307 days ago · -2 km deep · 0 km away
- 1.538 km NNE of Amboy, Washington · 13305 days ago · -2 km deep · 0 km away
- 2.138 km NNE of Amboy, Washington · 13303 days ago · 2 km deep · 0 km away
- 2.237 km NNE of Amboy, Washington · 13300 days ago · 3 km deep · 0 km away
- 2.337 km NNE of Amboy, Washington · 13300 days ago · 3 km deep · 0 km away
- 1.727 km ENE of Ashford, Washington · 13299 days ago · -2 km deep · 84 km away
- 1.538 km NNE of Amboy, Washington · 13291 days ago · -2 km deep · 0 km away
- 2.913 km SSW of Morton, Washington · 13285 days ago · 18 km deep · 29 km away
- 1.514 km NE of Ashford, Washington · 13285 days ago · 7 km deep · 74 km away
- 2.224 km S of Morton, Washington · 13283 days ago · 3 km deep · 16 km away
- 2.623 km ENE of Ashford, Washington · 13279 days ago · -2 km deep · 80 km away
- 1.823 km S of Morton, Washington · 13279 days ago · 11 km deep · 16 km away
- 1.92 km ESE of Alder, Washington · 13278 days ago · 17 km deep · 66 km away
- 1.838 km NNE of Amboy, Washington · 13277 days ago · -1 km deep · 0 km away
- 2.28 km NNE of Government Camp, Oregon · 13276 days ago · 2 km deep · 100 km away
- 1.737 km NNE of Amboy, Washington · 13274 days ago · -2 km deep · 0 km away
- 1.838 km NNE of Amboy, Washington · 13273 days ago · -2 km deep · 1 km away
- 1.738 km NNE of Amboy, Washington · 13272 days ago · -2 km deep · 0 km away
- 1.738 km NNE of Amboy, Washington · 13272 days ago · -1 km deep · 0 km away
- 2.023 km ENE of Ashford, Washington · 13271 days ago · -1 km deep · 80 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10253733. Read Thu, Oct 1, 2026, 10:02 PM UTC.