Washington earthquakes

M1.6 earthquake 5 km SE of Monroe, Washington

A magnitude 1.6 earthquake struck 5 km SE of Monroe, Washington on Wed, May 1, 1985, 3:06 PM PDT (22:06 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.0 4 km SSE of Seabeck, Washington. This one was a foreshock.

Monroe 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
1.6 (md), micro
Local time
UTC
1985-05-01 22:06:49 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
47.824° N, 121.917° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
139°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 2.04 km SSE of Seabeck, Washington · 15119 days ago · 22 km deep · 71 km away
  2. 2.84 km NW of Kingston, Washington · 15118 days ago · 22 km deep · 46 km away
  3. 2.03 km NW of Kingston, Washington · 15118 days ago · 21 km deep · 46 km away
  4. 2.24 km NW of Kingston, Washington · 15117 days ago · 21 km deep · 46 km away
  5. 1.93 km WSW of Wilderness Rim, Washington · 15116 days ago · 18 km deep · 44 km away
  6. 1.51 km NE of Riverton, Washington · 15100 days ago · 25 km deep · 46 km away
  7. 2.820 km WSW of Brinnon, Washington · 15099 days ago · 46 km deep · 95 km away
  8. 1.52 km W of Artondale, Washington · 15099 days ago · 24 km deep · 80 km away
  9. 1.54 km S of Big Lake, Washington · 15093 days ago · 15 km deep · 65 km away
  10. 1.6Washington · 15093 days ago · 14 km deep · 65 km away
  11. 2.16 km NE of Lake Roesiger, Washington · 15084 days ago · 14 km deep · 23 km away
  12. 2.13 km SE of Lake Roesiger, Washington · 15081 days ago · 18 km deep · 16 km away
  13. 1.63 km NE of Lake Marcel-Stillwater, Washington · 15078 days ago · 26 km deep · 13 km away
  14. 1.64 km ENE of Granite Falls, Washington · 15075 days ago · -1 km deep · 30 km away
  15. 3.14 km WSW of Wilderness Rim, Washington · 15073 days ago · 16 km deep · 44 km away
  16. 1.65 km S of Monroe, Washington · 15064 days ago · -1 km deep · 4 km away
  17. 1.510 km N of Camano, Washington · 15063 days ago · 53 km deep · 66 km away
  18. 1.64 km WSW of Monroe, Washington · 15061 days ago · -1 km deep · 9 km away

Before

  1. 2.21 km NNW of Ames Lake, Washington · 15120 days ago · 26 km deep · 20 km away
  2. 2.04 km NNW of Lake McMurray, Washington · 15121 days ago · 17 km deep · 64 km away
  3. 2.45 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 65 km away
  4. 3.35 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 65 km away
  5. 1.94 km SSW of Big Lake, Washington · 15121 days ago · 18 km deep · 65 km away
  6. 2.61 km SSE of Enetai, Washington · 15123 days ago · 26 km deep · 58 km away
  7. 3.04 km SSW of Big Lake, Washington · 15124 days ago · 17 km deep · 65 km away
  8. 2.52 km SW of Browns Point, Washington · 15125 days ago · 57 km deep · 73 km away
  9. 1.74 km SSW of Big Lake, Washington · 15125 days ago · 13 km deep · 65 km away
  10. 1.74 km SSE of Monroe, Washington · 15126 days ago · -1 km deep · 3 km away
  11. 1.65 km NNW of Woods Creek, Washington · 15126 days ago · 15 km deep · 11 km away
  12. 2.017 km SSE of Carbonado, Washington · 15127 days ago · 13 km deep · 99 km away
  13. 1.90 km SE of Clyde Hill, Washington · 15128 days ago · 26 km deep · 31 km away
  14. 1.66 km SSW of Acme, Washington · 15130 days ago · -1 km deep · 97 km away
  15. 1.816 km ESE of Verlot, Washington · 15131 days ago · 4 km deep · 35 km away
  16. 1.79 km NE of Snoqualmie, Washington · 15132 days ago · 14 km deep · 28 km away
  17. 1.53 km WNW of North Sultan, Washington · 15133 days ago · 0 km deep · 10 km away
  18. 1.90 km E of Clyde Hill, Washington · 15133 days ago · 23 km deep · 31 km away
  19. 2.25 km W of Shoreline, Washington · 15137 days ago · 18 km deep · 39 km away
  20. 1.70 km NW of Lake Roesiger, Washington · 15143 days ago · 13 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10185993. Read Tue, Sep 22, 2026, 5:45 PM UTC.