15 Dec 2025, 16:29 UTC · Dec 15, 11:29 AM ET

M2.9 earthquake 4 km WSW of Concrete, Washington

A magnitude 2.9 earthquake struck 4 km WSW of Concrete, Washington at Dec 15, 11:29 AM ET, 6 km deep, micro – recorded by instruments, rarely felt. 40 people reported feeling it.

M2.5 11 km E of Carnation, WashingtonM2.5 3 km WSW of Concrete, WashingtonM2.5 4 km WSW of Concrete, WashingtonM2.6 2 km ENE of Mount Vernon, WashingtonM2.6 7 km ENE of Ferndale, WashingtonM2.6 4 km WSW of Concrete, WashingtonM2.7 5 km N of Anacortes, WashingtonM2.7 12 km WSW of Anacortes, WashingtonM2.9 2 km ESE of Oak Harbor, WashingtonM2.9 4 km WSW of Concrete, WashingtonM3.0 2 km NNW of Ames Lake, WashingtonM3.0 4 km ESE of Cathcart, WashingtonM3.8 2 km E of Oak Harbor, Washington
under 33–44–55–66+
Magnitude2.9 ml
Time15 Dec 2025, 16:29 UTC
Location48.527°, -121.798° – 4 km WSW of Concrete, Washington
Depth5.7 km
Felt reports40
Max. estimated intensity (MMI)3.2
USGS eventuw62209782
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
3.82 km E of Oak Harbor, WashingtonJul 2, 2:35 AM
107 d ago
25 km2,084 reports
3.04 km ESE of Cathcart, WashingtonFeb 24, 8:42 AM
234 d ago
26 km476 reports
3.02 km NNW of Ames Lake, WashingtonJan 21, 11:22 PM
268 d ago
27 km289 reports
2.92 km ESE of Oak Harbor, WashingtonJun 8, 2:43 AM
131 d ago
26 km42 reports
2.75 km N of Anacortes, WashingtonApr 27, 12:22 AM
173 d ago
15 km26 reports
2.712 km WSW of Anacortes, WashingtonJan 25, 11:04 PM
264 d ago
11 km34 reports
2.64 km WSW of Concrete, WashingtonDec 15, 10:06 AM
305 d ago
5 km78 reports
2.62 km ENE of Mount Vernon, WashingtonSep 12, 12:17 AM
35 d ago
14 km10 reports
2.67 km ENE of Ferndale, WashingtonMay 29, 4:01 PM
140 d ago
20 km–
2.54 km WSW of Concrete, WashingtonMay 7, 1:20 AM
163 d ago
5 km161 reports
2.511 km E of Carnation, WashingtonJun 26, 4:06 AM
113 d ago
17 km12 reports
2.53 km WSW of Concrete, WashingtonApr 12, 7:12 AM
187 d ago
5 km9 reports
FAQ

About this earthquake

How strong was the 4 km WSW of Concrete, Washington earthquake?

Magnitude 2.9 (ml), micro – recorded by instruments, rarely felt. Depth 6 km. Strongest estimated shaking: intensity 3.2 on the Modified Mercalli scale.

Was it felt?

40 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.3.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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