Washington earthquakes

M1.9 earthquake 14 km ESE of Ashford, Washington

A magnitude 1.9 earthquake struck 14 km ESE of Ashford, Washington on Thu, Dec 25, 1975, 3:56 AM PST (11:56 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 5 km E of Longbranch, Washington. This one was a foreshock.

Morton 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1975-12-25 11:56:31 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
46.696° N, 121.861° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
178°
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: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.61 km ESE of Ravensdale, Washington · 18546 days ago · 18 km deep · 73 km away
  2. 2.112 km ESE of Ashford, Washington · 18546 days ago · 4 km deep · 2 km away
  3. 2.55 km E of Longbranch, Washington · 18541 days ago · 41 km deep · 84 km away
  4. 1.92 km S of Ravensdale, Washington · 18539 days ago · 18 km deep · 71 km away
  5. 2.021 km S of Mossyrock, Washington · 18531 days ago · 23 km deep · 61 km away
  6. 1.811 km NE of Ashford, Washington · 18517 days ago · 8 km deep · 17 km away
  7. 1.65 km WSW of Home, Washington · 18512 days ago · 16 km deep · 95 km away
  8. 1.52 km W of Fall City, Washington · 18500 days ago · 16 km deep · 97 km away
  9. 1.56 km W of DuPont, Washington · 18500 days ago · 51 km deep · 79 km away
  10. 2.14 km NNE of Covington, Washington · 18498 days ago · 18 km deep · 80 km away
  11. 1.612 km SE of Mossyrock, Washington · 18495 days ago · 14 km deep · 47 km away
  12. 1.612 km SSW of Morton, Washington · 18490 days ago · 15 km deep · 46 km away
  13. 1.814 km SE of Mossyrock, Washington · 18489 days ago · 9 km deep · 47 km away
  14. 1.618 km SSE of Packwood, Washington · 18489 days ago · 12 km deep · 35 km away

Before

  1. 1.81 km W of Bryn Mawr-Skyway, Washington · 18547 days ago · 22 km deep · 94 km away
  2. 1.52 km WNW of North Bend, Washington · 18554 days ago · -1 km deep · 89 km away
  3. 1.84 km SSW of Fall City, Washington · 18554 days ago · 14 km deep · 93 km away
  4. 2.11 km WSW of Gig Harbor, Washington · 18573 days ago · 33 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862408. Read Sun, Oct 4, 2026, 4:11 PM UTC.