Washington earthquakes

M1.6 earthquake 4 km SSW of Fall City, Washington

A magnitude 1.6 earthquake struck 4 km SSW of Fall City, Washington on Thu, Feb 1, 1979, 3:06 PM PST (23:06 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.8 5 km SW of Wilderness Rim, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1979-02-01 23:06:19 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
47.531° N, 121.903° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
118°
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: 12 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.517 km WSW of Easton, Washington · 17398 days ago · 3 km deep · 55 km away
  2. 1.64 km ENE of Ashford, Washington · 17393 days ago · 10 km deep · 85 km away
  3. 1.85 km SW of Wilderness Rim, Washington · 17392 days ago · 16 km deep · 14 km away
  4. 2.26 km ESE of Maplewood, Washington · 17391 days ago · 8 km deep · 46 km away
  5. 1.51 km ENE of Silver Firs, Washington · 17390 days ago · 14 km deep · 41 km away
  6. 1.73 km S of Fall City, Washington · 17389 days ago · 8 km deep · 1 km away
  7. 1.69 km NNE of Snoqualmie, Washington · 17372 days ago · 7 km deep · 13 km away
  8. 1.63 km SW of Wilderness Rim, Washington · 17369 days ago · 17 km deep · 14 km away
  9. 1.54 km NW of Chico, Washington · 17366 days ago · 23 km deep · 65 km away
  10. 3.86 km WSW of Coupeville, Washington · 17361 days ago · 23 km deep · 98 km away
  11. 2.52 km W of Boulevard Park, Washington · 17359 days ago · 24 km deep · 33 km away
  12. 1.62 km E of Mukilteo, Washington · 17343 days ago · 15 km deep · 53 km away

Before

  1. 3.54 km SSW of Fall City, Washington · 17400 days ago · 7 km deep · 0 km away
  2. 1.91 km WNW of Artondale, Washington · 17400 days ago · 16 km deep · 61 km away
  3. 2.56 km WSW of Coupeville, Washington · 17408 days ago · 22 km deep · 98 km away
  4. 1.53 km WNW of Lake Marcel-Stillwater, Washington · 17410 days ago · 18 km deep · 20 km away
  5. 1.72 km S of Skokomish, Washington · 17414 days ago · 38 km deep · 97 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10848883. Read Tue, Sep 22, 2026, 5:16 PM UTC.