Washington earthquakes

M1.5 earthquake Washington

A magnitude 1.5 earthquake struck in Washington on Wed, Aug 8, 1979, 7:01 PM PDT (02:01 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.7 6 km N of Jamestown, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1979-08-09 02:01:34 UTC
Depth
12.7 km (7.9 mi), shallow
Epicenter
48.141° N, 122.760° 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 1.0 km horizontally, 3.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
128°
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: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.57 km ESE of Deming, Washington · 17210 days ago · 0 km deep · 88 km away
  2. 2.76 km N of Jamestown, Washington · 17206 days ago · 50 km deep · 24 km away
  3. 1.612 km NE of Snoqualmie, Washington · 17186 days ago · 13 km deep · 96 km away
  4. 2.12 km E of Issaquah, Washington · 17185 days ago · 3 km deep · 89 km away
  5. 1.6Washington · 17184 days ago · 3 km deep · 89 km away
  6. 1.92 km E of Issaquah, Washington · 17184 days ago · 3 km deep · 89 km away
  7. 2.02 km ESE of Belfair, Washington · 17181 days ago · 1 km deep · 77 km away
  8. 1.717 km SSE of Glacier, Washington · 17179 days ago · 0 km deep · 98 km away
  9. 2.12 km ESE of Quilcene, Washington · 17178 days ago · 48 km deep · 37 km away
  10. 1.62 km NNE of Klahanie, Washington · 17176 days ago · 4 km deep · 84 km away
  11. 1.52 km E of Belfair, Washington · 17174 days ago · -1 km deep · 77 km away
  12. 2.16 km SW of Clinton, Washington · 17161 days ago · 25 km deep · 34 km away
  13. 2.123 km NNW of Hoodsport, Washington · 17155 days ago · 45 km deep · 70 km away

Before

  1. 1.77 km E of Carnation, Washington · 17212 days ago · 11 km deep · 89 km away
  2. 1.83 km ENE of Eastmont, Washington · 17221 days ago · 23 km deep · 53 km away
  3. 2.33 km WSW of Snohomish, Washington · 17221 days ago · 23 km deep · 53 km away
  4. 1.53 km N of Union Hill-Novelty Hill, Washington · 17223 days ago · 21 km deep · 73 km away
  5. 1.65 km ENE of Acme, Washington · 17228 days ago · -1 km deep · 80 km away
  6. 1.53 km NE of Lake Ketchum, Washington · 17231 days ago · 2 km deep · 38 km away
  7. 1.910 km NW of Orcas, Washington · 17231 days ago · 9 km deep · 61 km away
  8. 1.90 km SE of Union Hill-Novelty Hill, Washington · 17232 days ago · 18 km deep · 76 km away
  9. 1.610 km NE of Hoodsport, Washington · 17238 days ago · -1 km deep · 77 km away
  10. 2.36 km W of Burley, Washington · 17241 days ago · 23 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850413. Read Tue, Sep 22, 2026, 11:44 PM UTC.