Washington earthquakes

M1.9 earthquake 2 km SSE of Belfair, Washington

A magnitude 1.9 earthquake struck 2 km SSE of Belfair, Washington on Tue, May 2, 1978, 9:34 AM PDT (16:34 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.3 Puget Sound region, Washington. This one was a foreshock.

Belfair 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
1.9 (md), micro
Local time
UTC
1978-05-02 16:34:08 UTC
Depth
18.8 km (11.7 mi), shallow
Epicenter
47.428° N, 122.815° 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, 1.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
96°
Stations used
15

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 9 in the 30 days before it.

After

  1. 1.62 km N of Artondale, Washington · 17679 days ago · 20 km deep · 19 km away
  2. 2.39 km SSW of Gold Bar, Washington · 17678 days ago · 3 km deep · 88 km away
  3. 2.06 km WNW of Burley, Washington · 17674 days ago · 15 km deep · 8 km away
  4. 2.76 km SE of Shelton, Washington · 17674 days ago · 38 km deep · 32 km away
  5. 1.57 km W of Burley, Washington · 17673 days ago · 24 km deep · 7 km away
  6. 1.82 km E of Sammamish, Washington · 17670 days ago · 11 km deep · 62 km away
  7. 1.83 km N of Woods Creek, Washington · 17667 days ago · 5 km deep · 87 km away
  8. 1.57 km WSW of Ault Field, Washington · 17657 days ago · 15 km deep · 99 km away
  9. 1.96 km NW of Shelton, Washington · 17642 days ago · 40 km deep · 33 km away
  10. 1.58 km SSW of Gold Bar, Washington · 17642 days ago · 3 km deep · 89 km away
  11. 1.511 km ENE of Onalaska, Washington · 17641 days ago · 12 km deep · 90 km away
  12. 3.3Puget Sound region, Washington · 17632 days ago · 46 km deep · 15 km away

Before

  1. 1.75 km W of Burley, Washington · 17682 days ago · 21 km deep · 9 km away
  2. 1.72 km W of Artondale, Washington · 17687 days ago · 23 km deep · 18 km away
  3. 2.23 km WSW of Artondale, Washington · 17688 days ago · 23 km deep · 19 km away
  4. 1.55 km SE of Hansville, Washington · 17689 days ago · 50 km deep · 57 km away
  5. 1.818 km SE of Carbonado, Washington · 17703 days ago · 20 km deep · 87 km away
  6. 1.86 km W of Burley, Washington · 17707 days ago · 22 km deep · 7 km away
  7. 1.86 km WNW of Burley, Washington · 17708 days ago · 23 km deep · 7 km away
  8. 1.510 km SSW of Index, Washington · 17709 days ago · 3 km deep · 96 km away
  9. 2.211 km SSW of Seabeck, Washington · 17711 days ago · 16 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10846758. Read Mon, Sep 28, 2026, 9:11 PM UTC.