Washington earthquakes

M1.9 earthquake 1 km S of Sammamish, Washington

A magnitude 1.9 earthquake struck 1 km S of Sammamish, Washington on Wed, Sep 8, 1982, 7:10 PM PDT (02:10 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 8 km SE of Camano, Washington. This one was a foreshock.

Sammamish 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
1.9 (md), micro
Local time
UTC
1982-09-09 02:10:31 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
47.629° N, 122.079° 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
±0.05
Depth from
From location
Station coverage gap
129°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 2.18 km SE of Camano, Washington · 16082 days ago · 26 km deep · 61 km away
  2. 2.03 km WSW of Mercer Island, Washington · 16081 days ago · 21 km deep · 16 km away
  3. 1.612 km NE of Ashford, Washington · 16079 days ago · 9 km deep · 87 km away
  4. 2.92 km NE of Union Hill-Novelty Hill, Washington · 16078 days ago · 5 km deep · 9 km away
  5. 1.54 km NNE of Cathan, Washington · 16075 days ago · 18 km deep · 60 km away
  6. 1.90 km N of Lakeland South, Washington · 16072 days ago · 7 km deep · 41 km away
  7. 1.74 km NNE of Brinnon, Washington · 16070 days ago · 48 km deep · 60 km away
  8. 1.87 km NW of Kingston, Washington · 16068 days ago · 19 km deep · 43 km away
  9. 2.05 km WNW of Gorst, Washington · 16059 days ago · 18 km deep · 53 km away
  10. 1.71 km S of Erlands Point-Kitsap Lake, Washington · 16059 days ago · 19 km deep · 47 km away
  11. 2.615 km SSW of Easton, Washington · 16050 days ago · 0 km deep · 84 km away
  12. 2.2Washington · 16049 days ago · 9 km deep · 94 km away
  13. 3.02 km W of Manchester, Washington · 16048 days ago · 27 km deep · 38 km away
  14. 1.65 km ENE of Fall City, Washington · 16047 days ago · 15 km deep · 20 km away
  15. 2.63 km SW of Darrington, Washington · 16047 days ago · 1 km deep · 75 km away
  16. 1.76 km SSW of Wilderness Rim, Washington · 16045 days ago · 19 km deep · 34 km away
  17. 2.04 km N of Woods Creek, Washington · 16044 days ago · 15 km deep · 35 km away
  18. 2.01 km ENE of Keyport, Washington · 16043 days ago · 21 km deep · 40 km away
  19. 2.014 km N of May Creek, Washington · 16040 days ago · -1 km deep · 51 km away
  20. 2.14 km ESE of Lake Roesiger, Washington · 16039 days ago · 17 km deep · 40 km away
  21. 1.98 km ENE of Manchester, Washington · 16036 days ago · 18 km deep · 28 km away
  22. 1.84 km SE of Port Ludlow, Washington · 16035 days ago · 18 km deep · 51 km away
  23. 1.50 km SSW of Fall City, Washington · 16033 days ago · 6 km deep · 16 km away
  24. 1.74 km ENE of Southworth, Washington · 16032 days ago · 17 km deep · 30 km away
  25. 2.520 km NW of Hoodsport, Washington · 16031 days ago · 45 km deep · 92 km away
  26. 1.620 km NNE of Ashford, Washington · 16028 days ago · 3 km deep · 81 km away
  27. 1.75 km ESE of Carnation, Washington · 16026 days ago · -1 km deep · 17 km away
  28. 1.97 km SE of Wilderness Rim, Washington · 16026 days ago · -1 km deep · 39 km away
  29. 1.72 km NE of Keyport, Washington · 16024 days ago · 19 km deep · 40 km away

Before

  1. 2.11 km S of Sammamish, Washington · 16085 days ago · 12 km deep · 0 km away
  2. 1.96 km W of Shelton, Washington · 16086 days ago · 40 km deep · 95 km away
  3. 1.613 km NE of Ashford, Washington · 16089 days ago · 9 km deep · 88 km away
  4. 1.86 km S of Greenwater, Washington · 16090 days ago · 2 km deep · 68 km away
  5. 1.74 km E of Granite Falls, Washington · 16091 days ago · -1 km deep · 53 km away
  6. 1.71 km NE of Shoreline, Washington · 16093 days ago · 24 km deep · 24 km away
  7. 1.614 km NNE of Snoqualmie Pass, Washington · 16093 days ago · 5 km deep · 59 km away
  8. 2.225 km E of Darrington, Washington · 16094 days ago · 2 km deep · 94 km away
  9. 1.738 km NNW of Leavenworth, Washington · 16094 days ago · 10 km deep · 96 km away
  10. 1.916 km NNE of Ashford, Washington · 16095 days ago · 8 km deep · 83 km away
  11. 1.61 km ENE of Bangor Trident Base, Washington · 16099 days ago · 13 km deep · 48 km away
  12. 2.13 km SSW of Shoreline, Washington · 16101 days ago · 23 km deep · 24 km away
  13. 2.33 km NW of Bainbridge Island, Washington · 16102 days ago · 18 km deep · 35 km away
  14. 2.02 km WSW of Belfair, Washington · 16103 days ago · 3 km deep · 62 km away
  15. 2.21 km SSE of Newport, Washington · 16104 days ago · 0 km deep · 11 km away
  16. 2.16 km NE of Fall City, Washington · 16105 days ago · 13 km deep · 20 km away
  17. 2.66 km ESE of Lake Marcel-Stillwater, Washington · 16105 days ago · 7 km deep · 20 km away
  18. 1.94 km SSW of Orting, Washington · 16107 days ago · -1 km deep · 64 km away
  19. 1.51 km ESE of Edmonds, Washington · 16110 days ago · 18 km deep · 29 km away
  20. 1.74 km SSW of Woodway, Washington · 16111 days ago · 15 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10143348. Read Tue, Sep 22, 2026, 6:27 AM UTC.