Washington earthquakes

M1.7 earthquake 2 km W of Artondale, Washington

A magnitude 1.7 earthquake struck 2 km W of Artondale, Washington on Wed, Apr 26, 1978, 6:14 PM PST (02:14 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M1.9 2 km SSE of Belfair, 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
1.7 (md), micro
Local time
UTC
1978-04-27 02:14:52 UTC
Depth
22.7 km (14.1 mi), shallow
Epicenter
47.301° N, 122.659° 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, 1.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
70°
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: 13 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.75 km W of Burley, Washington · 17676 days ago · 21 km deep · 13 km away
  2. 1.92 km SSE of Belfair, Washington · 17675 days ago · 19 km deep · 18 km away
  3. 1.62 km N of Artondale, Washington · 17672 days ago · 20 km deep · 4 km away
  4. 2.39 km SSW of Gold Bar, Washington · 17672 days ago · 3 km deep · 86 km away
  5. 2.06 km WNW of Burley, Washington · 17668 days ago · 15 km deep · 16 km away
  6. 2.76 km SE of Shelton, Washington · 17667 days ago · 38 km deep · 32 km away
  7. 1.57 km W of Burley, Washington · 17667 days ago · 24 km deep · 15 km away
  8. 1.82 km E of Sammamish, Washington · 17664 days ago · 11 km deep · 60 km away
  9. 1.83 km N of Woods Creek, Washington · 17661 days ago · 5 km deep · 88 km away
  10. 1.96 km NW of Shelton, Washington · 17636 days ago · 40 km deep · 39 km away
  11. 1.58 km SSW of Gold Bar, Washington · 17635 days ago · 3 km deep · 87 km away
  12. 1.511 km ENE of Onalaska, Washington · 17635 days ago · 12 km deep · 75 km away
  13. 3.3Puget Sound region, Washington · 17626 days ago · 46 km deep · 27 km away

Before

  1. 2.23 km WSW of Artondale, Washington · 17682 days ago · 23 km deep · 1 km away
  2. 1.55 km SE of Hansville, Washington · 17682 days ago · 50 km deep · 67 km away
  3. 1.818 km SE of Carbonado, Washington · 17697 days ago · 20 km deep · 69 km away
  4. 1.86 km W of Burley, Washington · 17701 days ago · 22 km deep · 14 km away
  5. 1.86 km WNW of Burley, Washington · 17701 days ago · 23 km deep · 15 km away
  6. 1.510 km SSW of Index, Washington · 17703 days ago · 3 km deep · 91 km away
  7. 2.211 km SSW of Seabeck, Washington · 17705 days ago · 16 km deep · 34 km away
  8. 4.16 km W of Burley, Washington · 17707 days ago · 21 km deep · 13 km away
  9. 2.95 km WSW of Coupeville, Washington · 17709 days ago · 21 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10846678. Read Tue, Sep 22, 2026, 10:52 AM UTC.