Washington earthquakes

M1.7 earthquake 4 km WSW of Concrete, Washington

A magnitude 1.7 earthquake struck 4 km WSW of Concrete, Washington on Mon, Dec 15, 2025, 9:01 AM PST (17:01 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 2 km NNW of Ames Lake, Washington. This one was a foreshock.

Concrete forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2025-12-15 17:01:54 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
48.526° N, 121.805° 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 0.2 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
51°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.53 km SSE of Port Ludlow, Washington · 278 days ago · 23 km deep · 94 km away
  2. 1.65 km SSE of Port Ludlow, Washington · 278 days ago · 23 km deep · 95 km away
  3. 1.56 km SSE of Port Ludlow, Washington · 277 days ago · 22 km deep · 96 km away · felt by 1
  4. 1.96 km SSE of Port Ludlow, Washington · 277 days ago · 22 km deep · 96 km away
  5. 1.93 km E of Bay View, Washington · 275 days ago · 17 km deep · 46 km away
  6. 2.31 km NNE of La Conner, Washington · 272 days ago · 20 km deep · 52 km away
  7. 1.78 km NNW of Freeland, Washington · 270 days ago · 14 km deep · 76 km away
  8. 2.48 km N of North Sultan, Washington · 268 days ago · 9 km deep · 63 km away · felt by 20
  9. 1.88 km W of Ault Field, Washington · 260 days ago · 23 km deep · 75 km away
  10. 3.02 km NNW of Ames Lake, Washington · 254 days ago · 27 km deep · 98 km away · felt by 289
  11. 2.712 km WSW of Anacortes, Washington · 250 days ago · 11 km deep · 72 km away · felt by 34

Before

  1. 2.94 km WSW of Concrete, Washington · 292 days ago · 6 km deep · 1 km away · felt by 40
  2. 2.64 km WSW of Concrete, Washington · 292 days ago · 5 km deep · 0 km away · felt by 78
  3. 2.14 km SE of Mount Vernon, Washington · 301 days ago · 18 km deep · 40 km away · felt by 1
  4. 2.04 km WNW of Edison, Washington · 302 days ago · 16 km deep · 52 km away
  5. 1.71 km SE of Shoreline, Washington · 304 days ago · 29 km deep · 95 km away
  6. 2.22 km NNE of La Conner, Washington · 306 days ago · 20 km deep · 51 km away · felt by 1
  7. 1.89 km WNW of White Rock, Canada · 306 days ago · 19 km deep · 100 km away
  8. 2.12 km NNE of La Conner, Washington · 306 days ago · 20 km deep · 51 km away
  9. 2.12 km NE of La Conner, Washington · 306 days ago · 20 km deep · 51 km away
  10. 1.92 km NE of La Conner, Washington · 306 days ago · 20 km deep · 51 km away
  11. 1.97 km S of La Conner, Washington · 310 days ago · 23 km deep · 56 km away
  12. 1.50 km W of Snohomish, Washington · 318 days ago · 24 km deep · 72 km away · felt by 1
  13. 1.54 km SW of Skykomish, Washington · 320 days ago · 11 km deep · 98 km away
  14. 1.73 km NNW of Warm Beach, Washington · 321 days ago · 19 km deep · 55 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw62209797. Read Sat, Oct 3, 2026, 12:32 PM UTC.