Washington earthquakes

M1.7 earthquake 7 km E of Carnation, Washington

A magnitude 1.7 earthquake struck 7 km E of Carnation, Washington on Wed, Aug 8, 1979, 4:44 PM PDT (23:44 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 2 km E of Issaquah, Washington. This one was a foreshock.

Carnation 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
1979-08-08 23:44:57 UTC
Depth
11.5 km (7.1 mi), shallow
Epicenter
47.662° N, 121.811° 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 0.4 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
158°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.5Washington · 17212 days ago · 13 km deep · 89 km away
  2. 1.612 km NE of Snoqualmie, Washington · 17185 days ago · 13 km deep · 8 km away
  3. 2.12 km E of Issaquah, Washington · 17184 days ago · 3 km deep · 21 km away
  4. 1.6Washington · 17183 days ago · 3 km deep · 20 km away
  5. 1.92 km E of Issaquah, Washington · 17183 days ago · 3 km deep · 21 km away
  6. 2.02 km ESE of Belfair, Washington · 17181 days ago · 1 km deep · 77 km away
  7. 2.12 km ESE of Quilcene, Washington · 17178 days ago · 48 km deep · 79 km away
  8. 1.62 km NNE of Klahanie, Washington · 17176 days ago · 4 km deep · 15 km away
  9. 1.52 km E of Belfair, Washington · 17173 days ago · -1 km deep · 78 km away
  10. 2.16 km SW of Clinton, Washington · 17160 days ago · 25 km deep · 55 km away

Before

  1. 1.99 km ENE of Tanner, Washington · 17218 days ago · 9 km deep · 21 km away
  2. 1.83 km ENE of Eastmont, Washington · 17220 days ago · 23 km deep · 37 km away
  3. 2.33 km WSW of Snohomish, Washington · 17220 days ago · 23 km deep · 36 km away
  4. 1.53 km N of Union Hill-Novelty Hill, Washington · 17222 days ago · 21 km deep · 17 km away
  5. 1.53 km NE of Lake Ketchum, Washington · 17230 days ago · 2 km deep · 81 km away
  6. 1.90 km SE of Union Hill-Novelty Hill, Washington · 17232 days ago · 18 km deep · 16 km away
  7. 1.610 km NE of Hoodsport, Washington · 17238 days ago · -1 km deep · 95 km away
  8. 2.36 km W of Burley, Washington · 17241 days ago · 23 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850408. Read Tue, Sep 22, 2026, 2:50 PM UTC.