Washington earthquakes

M1.7 earthquake 13 km NNE of Tanner, Washington

A magnitude 1.7 earthquake struck 13 km NNE of Tanner, Washington on Mon, Dec 17, 1984, 4:30 PM PST (00:30 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.2 0 km N of Woodway, Washington. This one was a foreshock.

Tanner 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
1984-12-18 00:30:37 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
47.577° N, 121.654° 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 3.3 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
154°
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: 42 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.20 km N of Woodway, Washington · 15251 days ago · 22 km deep · 60 km away
  2. 1.513 km ENE of Cliffdell, Washington · 15248 days ago · 0 km deep · 88 km away
  3. 1.74 km NNW of Bryant, Washington · 15246 days ago · 12 km deep · 87 km away
  4. 2.710 km NNE of Ashford, Washington · 15243 days ago · 11 km deep · 85 km away
  5. 3.114 km NNE of Ashford, Washington · 15239 days ago · 10 km deep · 81 km away
  6. 2.414 km NNE of Ashford, Washington · 15239 days ago · 8 km deep · 81 km away
  7. 1.623 km ENE of Ashford, Washington · 15237 days ago · 0 km deep · 81 km away
  8. 2.20 km SW of Bainbridge Island, Washington · 15235 days ago · 25 km deep · 66 km away
  9. 1.73 km NW of Wilderness Rim, Washington · 15233 days ago · 24 km deep · 17 km away
  10. 2.010 km NE of Ashford, Washington · 15233 days ago · 11 km deep · 85 km away
  11. 1.74 km SW of Des Moines, Washington · 15232 days ago · 15 km deep · 58 km away
  12. 1.64 km SW of Wilderness Rim, Washington · 15232 days ago · 18 km deep · 21 km away
  13. 1.74 km ENE of Bonney Lake, Washington · 15232 days ago · 6 km deep · 55 km away
  14. 1.510 km ENE of Ashford, Washington · 15231 days ago · 9 km deep · 88 km away
  15. 2.32 km ENE of City of Sammamish, Washington · 15230 days ago · 6 km deep · 27 km away
  16. 1.86 km ESE of Carnation, Washington · 15230 days ago · 12 km deep · 14 km away
  17. 2.58 km NNE of Lake Marcel-Stillwater, Washington · 15230 days ago · 0 km deep · 25 km away
  18. 3.38 km N of Quilcene, Washington · 15229 days ago · 21 km deep · 98 km away
  19. 1.78 km SSE of Leavenworth, Washington · 15229 days ago · 1 km deep · 77 km away
  20. 2.48 km NNE of Lake Marcel-Stillwater, Washington · 15229 days ago · 1 km deep · 25 km away
  21. 1.92 km SW of Easton, Washington · 15224 days ago · 5 km deep · 52 km away
  22. 1.73 km E of Hobart, Washington · 15221 days ago · 3 km deep · 27 km away
  23. 1.73 km SW of Easton, Washington · 15220 days ago · 4 km deep · 52 km away
  24. 1.74 km NNE of Bangor Trident Base, Washington · 15219 days ago · 17 km deep · 81 km away
  25. 2.713 km NNE of Ashford, Washington · 15218 days ago · 12 km deep · 83 km away
  26. 2.65 km SW of Woodway, Washington · 15217 days ago · 18 km deep · 62 km away
  27. 2.25 km SW of Woodway, Washington · 15216 days ago · 18 km deep · 62 km away
  28. 1.65 km E of Lake Bosworth, Washington · 15215 days ago · -1 km deep · 56 km away
  29. 1.93 km E of Granite Falls, Washington · 15213 days ago · -1 km deep · 60 km away
  30. 2.73 km SW of Wilderness Rim, Washington · 15210 days ago · 17 km deep · 20 km away
  31. 1.79 km NNE of Snoqualmie, Washington · 15208 days ago · 14 km deep · 8 km away
  32. 1.55 km S of Lake Roesiger, Washington · 15207 days ago · -1 km deep · 45 km away
  33. 1.60 km WNW of Everett, Washington · 15207 days ago · 18 km deep · 61 km away
  34. 1.77 km NE of Quilcene, Washington · 15206 days ago · 46 km deep · 93 km away
  35. 1.76 km WSW of Lake Cavanaugh, Washington · 15206 days ago · 12 km deep · 88 km away
  36. 1.96 km WSW of Lake Cavanaugh, Washington · 15206 days ago · 12 km deep · 88 km away
  37. 1.510 km NE of Snoqualmie, Washington · 15206 days ago · 13 km deep · 7 km away
  38. 1.815 km NNE of Ashford, Washington · 15204 days ago · 10 km deep · 80 km away
  39. 1.81 km SE of Maplewood, Washington · 15201 days ago · 46 km deep · 70 km away
  40. 2.03 km WSW of North Bend, Washington · 15201 days ago · 18 km deep · 17 km away
  41. 1.93 km WSW of Lake Marcel-Stillwater, Washington · 15200 days ago · 10 km deep · 26 km away
  42. 1.55 km W of Wilderness Rim, Washington · 15194 days ago · 25 km deep · 20 km away

Before

  1. 1.82 km SE of Shoreline, Washington · 15253 days ago · 18 km deep · 53 km away
  2. 1.96 km SSW of Wilderness Rim, Washington · 15253 days ago · 18 km deep · 23 km away
  3. 1.62 km ENE of Clyde Hill, Washington · 15254 days ago · 24 km deep · 40 km away
  4. 3.25 km W of Home, Washington · 15254 days ago · 46 km deep · 95 km away
  5. 1.50 km NW of Carnation, Washington · 15255 days ago · 12 km deep · 22 km away
  6. 1.91 km NNE of Crocker, Washington · 15255 days ago · 7 km deep · 63 km away
  7. 1.51 km W of Southworth, Washington · 15262 days ago · 22 km deep · 66 km away
  8. 2.72 km E of Kirkland, Washington · 15271 days ago · 23 km deep · 41 km away
  9. 2.26 km SW of Wilderness Rim, Washington · 15271 days ago · 17 km deep · 23 km away
  10. 1.815 km NNE of Ashford, Washington · 15272 days ago · 7 km deep · 80 km away
  11. 1.810 km W of Entiat, Washington · 15272 days ago · -1 km deep · 99 km away
  12. 1.91 km ENE of Clyde Hill, Washington · 15277 days ago · 23 km deep · 42 km away
  13. 2.27 km WSW of Wilderness Rim, Washington · 15277 days ago · 16 km deep · 23 km away
  14. 2.01 km N of Woods Creek, Washington · 15281 days ago · 16 km deep · 40 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10183103. Read Tue, Sep 22, 2026, 7:54 AM UTC.