Washington earthquakes

M1.8 earthquake 36 km NNE of Amboy, Washington

A magnitude 1.8 earthquake struck 36 km NNE of Amboy, Washington on Thu, Feb 14, 1991, 5:38 AM PST (13:38 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.1 5 km ESE of Ridgefield, Washington. This one was a foreshock.

Amboy forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-02-14 13:38:21 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
46.187° N, 122.202° W
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 1.2 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
140°
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.538 km NNE of Amboy, Washington · 13005 days ago · 0 km deep · 2 km away
  2. 2.610 km SSE of Mineral, Washington · 13004 days ago · 14 km deep · 49 km away
  3. 2.23 km N of North Portland, Oregon · 13004 days ago · 14 km deep · 72 km away
  4. 1.71 km NNE of Mill Plain, Washington · 13003 days ago · 11 km deep · 63 km away
  5. 1.810 km ENE of Ashford, Washington · 12997 days ago · -1 km deep · 70 km away
  6. 3.15 km ESE of Ridgefield, Washington · 12995 days ago · 19 km deep · 58 km away
  7. 1.75 km ESE of Ridgefield, Washington · 12986 days ago · 19 km deep · 58 km away
  8. 1.525 km S of Morton, Washington · 12984 days ago · 8 km deep · 16 km away
  9. 2.410 km SSE of Mineral, Washington · 12981 days ago · 15 km deep · 49 km away
  10. 1.97 km ESE of Venersborg, Washington · 12980 days ago · 4 km deep · 50 km away
  11. 1.816 km S of Morton, Washington · 12980 days ago · 10 km deep · 26 km away
  12. 1.55 km NE of Estacada, Oregon · 12979 days ago · 16 km deep · 96 km away
  13. 2.138 km NNE of Amboy, Washington · 12977 days ago · 1 km deep · 3 km away
  14. 1.835 km NNE of Amboy, Washington · 12977 days ago · -1 km deep · 1 km away
  15. 2.438 km NNE of Amboy, Washington · 12977 days ago · -1 km deep · 3 km away
  16. 1.636 km NNE of Amboy, Washington · 12977 days ago · -1 km deep · 1 km away
  17. 1.719 km S of Morton, Washington · 12975 days ago · 6 km deep · 23 km away
  18. 2.324 km S of Morton, Washington · 12970 days ago · 11 km deep · 18 km away
  19. 1.722 km ENE of Ashford, Washington · 12969 days ago · -2 km deep · 81 km away
  20. 1.922 km ENE of Ashford, Washington · 12968 days ago · -2 km deep · 81 km away
  21. 1.522 km ENE of Ashford, Washington · 12964 days ago · -1 km deep · 81 km away
  22. 2.013 km SSW of Alder, Washington · 12960 days ago · 16 km deep · 57 km away
  23. 1.520 km NNW of Packwood, Washington · 12959 days ago · -1 km deep · 75 km away
  24. 1.71 km SSW of Salmon Creek, Washington · 12958 days ago · 20 km deep · 65 km away
  25. 1.618 km ENE of Kalama, Washington · 12954 days ago · 15 km deep · 35 km away

Before

  1. 1.537 km NE of Amboy, Washington · 13014 days ago · -2 km deep · 3 km away
  2. 1.737 km NNE of Amboy, Washington · 13021 days ago · -1 km deep · 2 km away
  3. 1.939 km S of Morton, Washington · 13022 days ago · 1 km deep · 4 km away
  4. 1.85 km SSW of Aloha, Oregon · 13023 days ago · 37 km deep · 98 km away
  5. 1.637 km NNE of Amboy, Washington · 13024 days ago · -1 km deep · 2 km away
  6. 1.511 km ESE of Yacolt, Washington · 13025 days ago · 8 km deep · 41 km away
  7. 1.813 km NNE of Ashford, Washington · 13027 days ago · 7 km deep · 78 km away
  8. 1.613 km SE of Rainier, Washington · 13029 days ago · 12 km deep · 73 km away
  9. 1.822 km NNW of Carson, Washington · 13030 days ago · 6 km deep · 37 km away
  10. 1.715 km S of Morton, Washington · 13037 days ago · 7 km deep · 26 km away
  11. 1.56 km SW of Packwood, Washington · 13037 days ago · 4 km deep · 55 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10270748. Read Thu, Oct 1, 2026, 11:18 PM UTC.