Washington earthquakes

M1.5 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.5 earthquake struck 38 km NNE of Amboy, Washington on Sun, Feb 17, 1985, 3:57 AM PST (11:57 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.9 1 km E of Meadow Glade, 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.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1985-02-17 11:57:13 UTC
Depth
-1.5 km (-0.9 mi), shallow
Epicenter
46.204° N, 122.188° 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 0.0 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
119°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.91 km E of Meadow Glade, Washington · 15191 days ago · 10 km deep · 56 km away
  2. 1.812 km SE of Mossyrock, Washington · 15187 days ago · 14 km deep · 30 km away
  3. 1.538 km NNE of Amboy, Washington · 15186 days ago · -1 km deep · 0 km away
  4. 1.56 km SSW of Morton, Washington · 15181 days ago · 20 km deep · 35 km away
  5. 1.622 km S of Morton, Washington · 15177 days ago · 15 km deep · 18 km away
  6. 1.538 km NNE of Amboy, Washington · 15176 days ago · -1 km deep · 0 km away
  7. 1.819 km SSE of Mossyrock, Washington · 15175 days ago · 20 km deep · 23 km away
  8. 1.59 km E of Ashford, Washington · 15174 days ago · 5 km deep · 66 km away
  9. 1.84 km E of Winlock, Washington · 15161 days ago · -1 km deep · 61 km away
  10. 2.58 km SE of Mineral, Washington · 15155 days ago · 18 km deep · 51 km away
  11. 1.54 km SSW of Orting, Washington · 15154 days ago · 0 km deep · 96 km away
  12. 1.710 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
  13. 1.810 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 48 km away
  14. 2.810 km SSE of Mineral, Washington · 15151 days ago · 15 km deep · 48 km away
  15. 1.510 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
  16. 2.610 km SSE of Mineral, Washington · 15151 days ago · 16 km deep · 47 km away
  17. 2.417 km SSE of Carbonado, Washington · 15144 days ago · 13 km deep · 83 km away
  18. 2.18 km S of Morton, Washington · 15142 days ago · 3 km deep · 31 km away
  19. 1.81 km SE of Deer Island, Oregon · 15137 days ago · 24 km deep · 58 km away
  20. 2.124 km S of Morton, Washington · 15136 days ago · 7 km deep · 16 km away
  21. 1.638 km NNE of Amboy, Washington · 15133 days ago · -1 km deep · 0 km away

Before

  1. 1.52 km ENE of Brush Prairie, Washington · 15203 days ago · 9 km deep · 58 km away
  2. 1.815 km NNE of Ashford, Washington · 15204 days ago · 10 km deep · 78 km away
  3. 2.138 km NNE of Amboy, Washington · 15204 days ago · -1 km deep · 0 km away
  4. 1.63 km WSW of Felida, Washington · 15207 days ago · 11 km deep · 71 km away
  5. 2.713 km NNE of Ashford, Washington · 15218 days ago · 12 km deep · 75 km away
  6. 1.73 km W of Deer Island, Oregon · 15221 days ago · 24 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10187053. Read Tue, Sep 22, 2026, 10:17 AM UTC.