Washington earthquakes

M2.1 earthquake 12 km ESE of Ashford, Washington

A magnitude 2.1 earthquake struck 12 km ESE of Ashford, Washington on Thu, Dec 25, 1975, 10:40 AM PST (18:40 UTC), 4 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
2.1 (md), micro
Local time
UTC
1975-12-25 18:40:09 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
46.704° N, 121.886° 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 0.8 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
254°, poorly surrounded by stations
Stations used
8

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 6 in the 30 days before it.

After

  1. 2.55 km E of Longbranch, Washington · 18530 days ago · 41 km deep · 82 km away
  2. 1.92 km S of Ravensdale, Washington · 18527 days ago · 18 km deep · 70 km away
  3. 2.021 km S of Mossyrock, Washington · 18519 days ago · 23 km deep · 60 km away
  4. 1.811 km NE of Ashford, Washington · 18506 days ago · 8 km deep · 16 km away
  5. 1.65 km WSW of Home, Washington · 18500 days ago · 16 km deep · 93 km away
  6. 1.52 km W of Fall City, Washington · 18488 days ago · 16 km deep · 96 km away
  7. 1.56 km W of DuPont, Washington · 18488 days ago · 51 km deep · 77 km away
  8. 2.14 km NNE of Covington, Washington · 18486 days ago · 18 km deep · 79 km away
  9. 1.612 km SE of Mossyrock, Washington · 18484 days ago · 14 km deep · 46 km away
  10. 1.612 km SSW of Morton, Washington · 18479 days ago · 15 km deep · 45 km away
  11. 1.814 km SE of Mossyrock, Washington · 18477 days ago · 9 km deep · 46 km away
  12. 1.618 km SSE of Packwood, Washington · 18477 days ago · 12 km deep · 37 km away

Before

  1. 1.61 km ESE of Ravensdale, Washington · 18534 days ago · 18 km deep · 72 km away
  2. 1.914 km ESE of Ashford, Washington · 18534 days ago · 5 km deep · 2 km away
  3. 1.81 km W of Bryn Mawr-Skyway, Washington · 18536 days ago · 22 km deep · 92 km away
  4. 1.52 km WNW of North Bend, Washington · 18542 days ago · -1 km deep · 89 km away
  5. 1.84 km SSW of Fall City, Washington · 18542 days ago · 14 km deep · 92 km away
  6. 2.11 km WSW of Gig Harbor, Washington · 18562 days ago · 33 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862418. Read Tue, Sep 22, 2026, 9:21 PM UTC.