Washington earthquakes

M1.5 earthquake 2 km E of Belfair, Washington

A magnitude 1.5 earthquake struck 2 km E of Belfair, Washington on Sun, Sep 16, 1979, 12:44 AM PDT (07:44 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.1 6 km SW of Clinton, 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
1.5 (md), micro
Local time
UTC
1979-09-16 07:44:22 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
47.447° N, 122.796° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
97°
Stations used
9

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 7 in the 30 days before it.

After

  1. 2.16 km SW of Clinton, Washington · 17161 days ago · 25 km deep · 61 km away
  2. 2.123 km NNW of Hoodsport, Washington · 17155 days ago · 45 km deep · 38 km away
  3. 1.51 km W of Chico, Washington · 17149 days ago · 25 km deep · 19 km away
  4. 1.53 km S of Kingston, Washington · 17149 days ago · 53 km deep · 42 km away
  5. 2.40 km WSW of Tulalip Bay, Washington · 17130 days ago · 29 km deep · 74 km away
  6. 2.617 km SSE of Carbonado, Washington · 17126 days ago · 9 km deep · 85 km away
  7. 1.512 km NE of Ashford, Washington · 17120 days ago · 7 km deep · 95 km away
  8. 1.62 km N of Hansville, Washington · 17120 days ago · 43 km deep · 58 km away
  9. 1.512 km SW of Alder, Washington · 17120 days ago · -1 km deep · 85 km away
  10. 1.63 km ENE of Manchester, Washington · 17120 days ago · 3 km deep · 26 km away
  11. 2.03 km SSE of Priest Point, Washington · 17118 days ago · 22 km deep · 75 km away
  12. 1.54 km SSE of Woods Creek, Washington · 17117 days ago · 9 km deep · 81 km away
  13. 1.63 km WSW of Federal Way, Washington · 17116 days ago · 54 km deep · 37 km away

Before

  1. 1.62 km NNE of Klahanie, Washington · 17176 days ago · 4 km deep · 63 km away
  2. 2.12 km ESE of Quilcene, Washington · 17178 days ago · 48 km deep · 40 km away
  3. 2.02 km ESE of Belfair, Washington · 17181 days ago · 1 km deep · 1 km away
  4. 1.92 km E of Issaquah, Washington · 17184 days ago · 3 km deep · 61 km away
  5. 1.6Washington · 17184 days ago · 3 km deep · 61 km away
  6. 2.12 km E of Issaquah, Washington · 17185 days ago · 3 km deep · 61 km away
  7. 1.612 km NE of Snoqualmie, Washington · 17186 days ago · 13 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850678. Read Tue, Sep 22, 2026, 10:26 PM UTC.