Washington earthquakes

M1.7 earthquake 7 km ESE of Alger, Washington

A magnitude 1.7 earthquake struck 7 km ESE of Alger, Washington on Sun, Mar 10, 1985, 1:30 AM PST (09:30 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.9 1 km SE of Shoreline, Washington. This one was a foreshock.

Sedro-Woolley 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
1.7 (md), micro
Local time
UTC
1985-03-10 09:30:23 UTC
Depth
0.2 km (0.1 mi), shallow
Epicenter
48.586° 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 0.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
126°
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: 30 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.91 km SE of Shoreline, Washington · 15164 days ago · 21 km deep · 93 km away
  2. 1.98 km ENE of Ferndale, Washington · 15161 days ago · 13 km deep · 35 km away
  3. 1.64 km WSW of Monroe, Washington · 15160 days ago · -1 km deep · 85 km away
  4. 1.59 km WNW of Ault Field, Washington · 15157 days ago · 48 km deep · 46 km away
  5. 2.01 km SSE of Swede Heaven, Washington · 15152 days ago · 1 km deep · 52 km away
  6. 3.36 km WSW of Lake Cavanaugh, Washington · 15150 days ago · 11 km deep · 33 km away
  7. 2.53 km SE of Swede Heaven, Washington · 15146 days ago · 0 km deep · 54 km away
  8. 1.70 km NW of Lake Roesiger, Washington · 15143 days ago · 13 km deep · 70 km away
  9. 1.711 km SSE of Point Roberts, Washington · 15140 days ago · 56 km deep · 64 km away
  10. 2.25 km W of Shoreline, Washington · 15137 days ago · 18 km deep · 94 km away
  11. 2.55 km E of Deming, Washington · 15133 days ago · 3 km deep · 29 km away
  12. 1.53 km WNW of North Sultan, Washington · 15132 days ago · 0 km deep · 82 km away
  13. 1.816 km ESE of Verlot, Washington · 15130 days ago · 4 km deep · 79 km away
  14. 1.66 km SSW of Acme, Washington · 15129 days ago · -1 km deep · 9 km away
  15. 1.96 km ENE of Deming, Washington · 15127 days ago · 10 km deep · 30 km away
  16. 1.65 km NNW of Woods Creek, Washington · 15125 days ago · 15 km deep · 77 km away
  17. 1.74 km SSE of Monroe, Washington · 15125 days ago · -1 km deep · 89 km away
  18. 1.74 km SSW of Big Lake, Washington · 15124 days ago · 13 km deep · 25 km away
  19. 3.04 km SSW of Big Lake, Washington · 15124 days ago · 17 km deep · 25 km away
  20. 1.94 km SSW of Big Lake, Washington · 15120 days ago · 18 km deep · 25 km away
  21. 3.35 km SSW of Big Lake, Washington · 15120 days ago · 17 km deep · 25 km away
  22. 2.45 km SSW of Big Lake, Washington · 15120 days ago · 17 km deep · 25 km away
  23. 2.04 km NNW of Lake McMurray, Washington · 15120 days ago · 17 km deep · 26 km away
  24. 1.65 km SE of Monroe, Washington · 15118 days ago · -1 km deep · 88 km away
  25. 2.84 km NW of Kingston, Washington · 15117 days ago · 22 km deep · 87 km away
  26. 2.03 km NW of Kingston, Washington · 15117 days ago · 21 km deep · 87 km away
  27. 2.24 km NW of Kingston, Washington · 15116 days ago · 21 km deep · 87 km away
  28. 1.97 km E of Deming, Washington · 15113 days ago · 9 km deep · 30 km away
  29. 1.55 km E of Deming, Washington · 15113 days ago · 5 km deep · 28 km away
  30. 1.86 km S of Kendall, Washington · 15111 days ago · 3 km deep · 31 km away

Before

  1. 1.65 km E of Granite Falls, WA · 15173 days ago · -1 km deep · 61 km away
  2. 1.89 km S of Birch Bay, Washington · 15175 days ago · 66 km deep · 46 km away
  3. 3.13 km N of Bryant, Washington · 15176 days ago · 15 km deep · 36 km away
  4. 2.21 km SSE of Freeland, Washington · 15184 days ago · 25 km deep · 68 km away
  5. 2.72 km ENE of Silvana, Washington · 15185 days ago · 4 km deep · 42 km away
  6. 1.57 km WSW of Port Ludlow, Washington · 15185 days ago · 53 km deep · 85 km away
  7. 1.64 km N of Bryant, Washington · 15190 days ago · 14 km deep · 35 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10186888. Read Tue, Sep 22, 2026, 4:35 AM UTC.