Washington earthquakes

M1.9 earthquake 1 km WNW of Artondale, Washington

A magnitude 1.9 earthquake struck 1 km WNW of Artondale, Washington on Thu, Feb 1, 1979, 8:10 AM PST (16:10 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.5 4 km SSW of Fall City, Washington. This one was a foreshock.

Artondale 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
1979-02-01 16:10:01 UTC
Depth
16.1 km (10.0 mi), shallow
Epicenter
47.305° N, 122.640° 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 0.9 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
66°
Stations used
13

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 4 in the 30 days before it.

After

  1. 3.54 km SSW of Fall City, Washington · 17400 days ago · 7 km deep · 61 km away
  2. 1.64 km SSW of Fall City, Washington · 17400 days ago · 5 km deep · 61 km away
  3. 1.517 km WSW of Easton, Washington · 17398 days ago · 3 km deep · 96 km away
  4. 1.75 km NNE of McCleary, Washington · 17395 days ago · 39 km deep · 50 km away
  5. 1.64 km ENE of Ashford, Washington · 17393 days ago · 10 km deep · 78 km away
  6. 1.85 km SW of Wilderness Rim, Washington · 17392 days ago · 16 km deep · 63 km away
  7. 2.26 km ESE of Maplewood, Washington · 17391 days ago · 8 km deep · 15 km away
  8. 1.51 km ENE of Silver Firs, Washington · 17390 days ago · 14 km deep · 73 km away
  9. 1.73 km S of Fall City, Washington · 17389 days ago · 8 km deep · 62 km away
  10. 1.69 km NNE of Snoqualmie, Washington · 17372 days ago · 7 km deep · 73 km away
  11. 1.63 km SW of Wilderness Rim, Washington · 17369 days ago · 17 km deep · 64 km away
  12. 1.54 km NW of Chico, Washington · 17367 days ago · 23 km deep · 38 km away
  13. 3.911 km SSE of Mossyrock, Washington · 17362 days ago · 18 km deep · 98 km away
  14. 1.712 km SE of Mossyrock, Washington · 17362 days ago · 19 km deep · 98 km away
  15. 2.211 km SSE of Mossyrock, Washington · 17362 days ago · 20 km deep · 97 km away
  16. 2.52 km W of Boulevard Park, Washington · 17359 days ago · 24 km deep · 30 km away
  17. 1.625 km NNE of Aberdeen Gardens, Washington · 17348 days ago · 26 km deep · 74 km away
  18. 1.62 km E of Mukilteo, Washington · 17343 days ago · 15 km deep · 76 km away

Before

  1. 2.56 km WSW of Coupeville, Washington · 17408 days ago · 22 km deep · 100 km away
  2. 1.53 km WNW of Lake Marcel-Stillwater, Washington · 17410 days ago · 18 km deep · 68 km away
  3. 1.72 km S of Skokomish, Washington · 17414 days ago · 38 km deep · 39 km away
  4. 2.612 km SSW of Bell Hill, Washington · 17420 days ago · 40 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10848868. Read Tue, Sep 22, 2026, 8:44 PM UTC.