Washington earthquakes

M1.5 earthquake 4 km S of Big Lake, Washington

A magnitude 1.5 earthquake struck 4 km S of Big Lake, Washington on Sun, May 26, 1985, 11:37 PM PDT (06:37 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M1.6 Washington. This one was a foreshock.

Big Lake 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
1985-05-27 06:37:46 UTC
Depth
14.7 km (9.1 mi), shallow
Epicenter
48.361° N, 122.253° 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 0.5 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
79°
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: 19 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.6Washington · 15093 days ago · 14 km deep · 0 km away
  2. 2.16 km NE of Lake Roesiger, Washington · 15084 days ago · 14 km deep · 46 km away
  3. 2.13 km SE of Lake Roesiger, Washington · 15081 days ago · 18 km deep · 52 km away
  4. 1.63 km NE of Lake Marcel-Stillwater, Washington · 15078 days ago · 26 km deep · 77 km away
  5. 2.26 km SSE of Kendall, Washington · 15078 days ago · 12 km deep · 57 km away
  6. 1.64 km ENE of Granite Falls, Washington · 15075 days ago · -1 km deep · 39 km away
  7. 2.42 km NW of Birch Bay, Washington · 15066 days ago · 14 km deep · 74 km away
  8. 1.65 km S of Monroe, Washington · 15064 days ago · -1 km deep · 65 km away
  9. 1.615 km N of Glacier, Washington · 15063 days ago · 3 km deep · 77 km away
  10. 1.510 km N of Camano, Washington · 15063 days ago · 53 km deep · 22 km away
  11. 1.64 km WSW of Monroe, Washington · 15061 days ago · -1 km deep · 61 km away
  12. 2.51 km SSW of Seabeck, Washington · 15058 days ago · 20 km deep · 92 km away
  13. 2.07 km ENE of Snoqualmie, Washington · 15055 days ago · 8 km deep · 96 km away
  14. 3.10 km NE of Inglewood-Finn Hill, Washington · 15053 days ago · 18 km deep · 71 km away
  15. 1.51 km NE of Kingston, Washington · 15047 days ago · 21 km deep · 64 km away
  16. 1.94 km ENE of Southworth, Washington · 15047 days ago · 47 km deep · 94 km away
  17. 2.03 km N of Bryant, Washington · 15045 days ago · 15 km deep · 13 km away
  18. 1.54 km SSE of Lake McMurray, Washington · 15043 days ago · 13 km deep · 10 km away
  19. 1.53 km N of Bryant, Washington · 15040 days ago · 14 km deep · 12 km away

Before

  1. 1.51 km NE of Riverton, Washington · 15099 days ago · 25 km deep · 97 km away
  2. 1.88 km E of Deming, Washington · 15105 days ago · 14 km deep · 54 km away
  3. 2.614 km E of North Saanich, Canada · 15106 days ago · 21 km deep · 80 km away
  4. 2.25 km ENE of Deming, Washington · 15111 days ago · 0 km deep · 55 km away
  5. 1.86 km S of Kendall, Washington · 15112 days ago · 3 km deep · 56 km away
  6. 1.55 km E of Deming, Washington · 15113 days ago · 5 km deep · 53 km away
  7. 1.97 km E of Deming, Washington · 15114 days ago · 9 km deep · 54 km away
  8. 2.24 km NW of Kingston, Washington · 15117 days ago · 21 km deep · 63 km away
  9. 2.03 km NW of Kingston, Washington · 15118 days ago · 21 km deep · 63 km away
  10. 2.84 km NW of Kingston, Washington · 15118 days ago · 22 km deep · 63 km away
  11. 2.04 km SSE of Seabeck, Washington · 15119 days ago · 22 km deep · 94 km away
  12. 1.65 km SE of Monroe, Washington · 15119 days ago · -1 km deep · 65 km away
  13. 2.21 km NNW of Ames Lake, Washington · 15120 days ago · 26 km deep · 82 km away
  14. 2.04 km NNW of Lake McMurray, Washington · 15121 days ago · 17 km deep · 1 km away
  15. 2.45 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 1 km away
  16. 3.35 km SSW of Big Lake, Washington · 15121 days ago · 17 km deep · 1 km away
  17. 1.94 km SSW of Big Lake, Washington · 15121 days ago · 18 km deep · 0 km away
  18. 2.61 km SSE of Enetai, Washington · 15123 days ago · 26 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10199863. Read Tue, Sep 22, 2026, 3:15 PM UTC.