Washington earthquakes

M1.5 earthquake 1 km NNW of Lofall, Washington

A magnitude 1.5 earthquake struck 1 km NNW of Lofall, Washington on Mon, Jul 2, 1979, 4:08 PM PDT (23:08 UTC), 20 km (12 mi) below the surface.

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

Lofall 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
1.5 (md), micro
Local time
UTC
1979-07-02 23:08:23 UTC
Depth
19.6 km (12.2 mi), shallow
Epicenter
47.828° N, 122.666° 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, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
148°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.53 km ENE of Carlsborg, Washington · 17253 days ago · 47 km deep · 46 km away
  2. 1.97 km SE of Hamilton, Washington · 17251 days ago · 4 km deep · 92 km away
  3. 1.57 km NW of Ault Field, Washington · 17248 days ago · 12 km deep · 63 km away
  4. 2.36 km W of Burley, Washington · 17247 days ago · 23 km deep · 45 km away
  5. 1.610 km NE of Hoodsport, Washington · 17244 days ago · -1 km deep · 48 km away
  6. 1.90 km SE of Union Hill-Novelty Hill, Washington · 17238 days ago · 18 km deep · 51 km away
  7. 1.910 km NW of Orcas, Washington · 17237 days ago · 9 km deep · 97 km away
  8. 1.53 km NE of Lake Ketchum, Washington · 17236 days ago · 2 km deep · 59 km away
  9. 1.53 km N of Union Hill-Novelty Hill, Washington · 17228 days ago · 21 km deep · 50 km away
  10. 2.33 km WSW of Snohomish, Washington · 17226 days ago · 23 km deep · 40 km away
  11. 1.83 km ENE of Eastmont, Washington · 17226 days ago · 23 km deep · 40 km away
  12. 1.99 km ENE of Tanner, Washington · 17224 days ago · 9 km deep · 85 km away
  13. 1.77 km E of Carnation, Washington · 17218 days ago · 11 km deep · 67 km away
  14. 1.5Washington · 17218 days ago · 13 km deep · 35 km away
  15. 2.76 km N of Jamestown, Washington · 17212 days ago · 50 km deep · 50 km away

Before

  1. 2.56 km S of Vashon, Washington · 17260 days ago · 48 km deep · 52 km away
  2. 1.73 km W of Covington, Washington · 17264 days ago · 1 km deep · 64 km away
  3. 1.715 km SSE of Friday Harbor, Washington · 17266 days ago · 47 km deep · 67 km away
  4. 2.42 km W of Fox Island, Washington · 17271 days ago · 23 km deep · 64 km away
  5. 1.62 km NW of Anacortes, Washington · 17275 days ago · 16 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850123. Read Mon, Sep 28, 2026, 5:33 PM UTC.