Washington earthquakes

M1.7 earthquake 3 km S of Fall City, Washington

A magnitude 1.7 earthquake struck 3 km S of Fall City, Washington on Mon, Feb 12, 1979, 4:24 AM PST (12:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 6 km WSW of Coupeville, Washington. This one was a foreshock.

Fall City 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
1.7 (md), micro
Local time
UTC
1979-02-12 12:24:57 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
47.533° N, 121.892° 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, 1.1 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
124°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.69 km NNE of Snoqualmie, Washington · 17372 days ago · 7 km deep · 12 km away
  2. 1.63 km SW of Wilderness Rim, Washington · 17369 days ago · 17 km deep · 14 km away
  3. 1.54 km NW of Chico, Washington · 17366 days ago · 23 km deep · 65 km away
  4. 3.86 km WSW of Coupeville, Washington · 17361 days ago · 23 km deep · 99 km away
  5. 2.52 km W of Boulevard Park, Washington · 17359 days ago · 24 km deep · 34 km away
  6. 1.62 km E of Mukilteo, Washington · 17343 days ago · 15 km deep · 53 km away
  7. 1.82 km NE of Hansville, Washington · 17336 days ago · 51 km deep · 65 km away
  8. 1.5Washington · 17334 days ago · 21 km deep · 17 km away
  9. 1.74 km NNE of Snoqualmie, Washington · 17334 days ago · 17 km deep · 8 km away

Before

  1. 1.51 km ENE of Silver Firs, Washington · 17389 days ago · 14 km deep · 41 km away
  2. 2.26 km ESE of Maplewood, Washington · 17391 days ago · 8 km deep · 47 km away
  3. 1.85 km SW of Wilderness Rim, Washington · 17392 days ago · 16 km deep · 14 km away
  4. 1.64 km ENE of Ashford, Washington · 17393 days ago · 10 km deep · 85 km away
  5. 1.517 km WSW of Easton, Washington · 17398 days ago · 3 km deep · 55 km away
  6. 1.64 km SSW of Fall City, Washington · 17400 days ago · 5 km deep · 1 km away
  7. 3.54 km SSW of Fall City, Washington · 17400 days ago · 7 km deep · 1 km away
  8. 1.91 km WNW of Artondale, Washington · 17400 days ago · 16 km deep · 62 km away
  9. 2.56 km WSW of Coupeville, Washington · 17408 days ago · 22 km deep · 99 km away
  10. 1.53 km WNW of Lake Marcel-Stillwater, Washington · 17410 days ago · 18 km deep · 20 km away
  11. 1.72 km S of Skokomish, Washington · 17414 days ago · 38 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10848983. Read Tue, Sep 22, 2026, 11:36 AM UTC.