Washington earthquakes

M1.5 earthquake 2 km W of Artondale, Washington

A magnitude 1.5 earthquake struck 2 km W of Artondale, Washington on Tue, May 21, 1985, 4:46 PM PDT (23:46 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.1 4 km WSW of Wilderness Rim, Washington. This one was a foreshock.

Artondale 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1985-05-21 23:46:40 UTC
Depth
24.1 km (15.0 mi), shallow
Epicenter
47.297° N, 122.650° 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 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
66°
Stations used
18

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 19 in the 30 days before it.

After

  1. 2.026 km NNW of Hoodsport, Washington · 15106 days ago · 46 km deep · 60 km away
  2. 1.716 km NNE of Ashford, Washington · 15094 days ago · 14 km deep · 69 km away
  3. 2.16 km NE of Lake Roesiger, Washington · 15093 days ago · 14 km deep · 100 km away
  4. 2.13 km SE of Lake Roesiger, Washington · 15090 days ago · 18 km deep · 93 km away
  5. 2.022 km ENE of Ashford, Washington · 15090 days ago · 1 km deep · 83 km away
  6. 1.63 km NE of Lake Marcel-Stillwater, Washington · 15087 days ago · 26 km deep · 74 km away
  7. 3.14 km WSW of Wilderness Rim, Washington · 15083 days ago · 16 km deep · 64 km away
  8. 1.86 km SSW of Morton, Washington · 15077 days ago · 19 km deep · 92 km away
  9. 1.65 km S of Monroe, Washington · 15073 days ago · -1 km deep · 76 km away
  10. 1.61 km E of Pe Ell, Washington · 15072 days ago · 31 km deep · 94 km away
  11. 1.64 km WSW of Monroe, Washington · 15070 days ago · -1 km deep · 76 km away
  12. 2.51 km SSW of Seabeck, Washington · 15068 days ago · 20 km deep · 40 km away
  13. 2.122 km ENE of Ashford, Washington · 15067 days ago · 0 km deep · 83 km away
  14. 2.123 km ENE of Ashford, Washington · 15067 days ago · -1 km deep · 84 km away
  15. 1.76 km ENE of Enumclaw, Washington · 15066 days ago · 4 km deep · 57 km away
  16. 2.07 km ENE of Snoqualmie, Washington · 15064 days ago · 8 km deep · 75 km away
  17. 3.10 km NE of Inglewood-Finn Hill, Washington · 15062 days ago · 18 km deep · 57 km away
  18. 1.51 km NE of Kingston, Washington · 15057 days ago · 21 km deep · 58 km away
  19. 1.94 km ENE of Southworth, Washington · 15056 days ago · 47 km deep · 29 km away
  20. 1.84 km WSW of Gorst, Washington · 15053 days ago · 15 km deep · 25 km away
  21. 1.76 km SSW of Morton, Washington · 15053 days ago · 18 km deep · 91 km away

Before

  1. 2.820 km WSW of Brinnon, Washington · 15108 days ago · 46 km deep · 50 km away
  2. 1.51 km NE of Riverton, Washington · 15109 days ago · 25 km deep · 35 km away
  3. 1.523 km ENE of Ashford, Washington · 15117 days ago · 2 km deep · 83 km away
  4. 1.814 km NNE of Ashford, Washington · 15120 days ago · 6 km deep · 73 km away
  5. 1.93 km WSW of Wilderness Rim, Washington · 15125 days ago · 18 km deep · 65 km away
  6. 2.24 km NW of Kingston, Washington · 15126 days ago · 21 km deep · 59 km away
  7. 2.03 km NW of Kingston, Washington · 15127 days ago · 21 km deep · 59 km away
  8. 2.84 km NW of Kingston, Washington · 15127 days ago · 22 km deep · 60 km away
  9. 2.88 km S of Central Park, Washington · 15128 days ago · 34 km deep · 89 km away
  10. 2.04 km SSE of Seabeck, Washington · 15128 days ago · 22 km deep · 36 km away
  11. 1.65 km SE of Monroe, Washington · 15128 days ago · -1 km deep · 80 km away
  12. 2.21 km NNW of Ames Lake, Washington · 15130 days ago · 26 km deep · 64 km away
  13. 2.61 km SSE of Enetai, Washington · 15132 days ago · 26 km deep · 31 km away
  14. 2.52 km SW of Browns Point, Washington · 15134 days ago · 57 km deep · 14 km away
  15. 2.111 km WSW of Mineral, Washington · 15134 days ago · 18 km deep · 74 km away
  16. 1.74 km SSE of Monroe, Washington · 15135 days ago · -1 km deep · 78 km away
  17. 1.65 km NNW of Woods Creek, Washington · 15135 days ago · 15 km deep · 88 km away
  18. 2.017 km SSE of Carbonado, Washington · 15136 days ago · 13 km deep · 66 km away
  19. 1.90 km SE of Clyde Hill, Washington · 15137 days ago · 26 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10191938. Read Thu, Oct 1, 2026, 10:45 PM UTC.