Washington earthquakes

M1.7 earthquake 41 km SSE of Morton, Washington

A magnitude 1.7 earthquake struck 41 km SSE of Morton, Washington on Sun, Mar 15, 2026, 11:39 PM PDT (06:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 7 km SE of Mineral, 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
1.7 (ML, local (Richter)), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2026-03-16 06:39:31 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
46.219° N, 122.053° 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, 0.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
69°
Stations used
33

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 11 in the 30 days before it.

After

  1. 2.57 km SE of Mineral, Washington · 199 days ago · 21 km deep · 50 km away · felt by 3
  2. 2.07 km SE of Mineral, Washington · 199 days ago · 21 km deep · 50 km away
  3. 1.67 km NE of Castle Rock, Washington · 190 days ago · 7 km deep · 62 km away
  4. 2.35 km SW of Packwood, Washington · 183 days ago · 9 km deep · 47 km away · felt by 4
  5. 1.725 km S of Morton, Washington · 176 days ago · 7 km deep · 18 km away
  6. 1.60 km SSE of Kapowsin, Washington · 174 days ago · 1 km deep · 85 km away
  7. 1.66 km NNW of Clatskanie, Oregon · 168 days ago · 48 km deep · 91 km away
  8. 1.921 km SSE of Mossyrock, Washington · 166 days ago · 17 km deep · 28 km away
  9. 1.75 km SSE of Yacolt, Washington · 162 days ago · -1 km deep · 50 km away
  10. 2.110 km NNE of Sandy, Oregon · 160 days ago · 2 km deep · 82 km away
  11. 1.514 km SSW of Alder, Washington · 158 days ago · 17 km deep · 57 km away
  12. 1.94 km SW of Packwood, Washington · 144 days ago · 10 km deep · 48 km away

Before

  1. 1.810 km SE of Carbonado, Washington · 202 days ago · 15 km deep · 87 km away
  2. 2.317 km NNE of Ashford, Washington · 203 days ago · 12 km deep · 76 km away
  3. 2.118 km N of Amboy, Washington · 205 days ago · 8 km deep · 37 km away
  4. 2.037 km NNE of Amboy, Washington · 212 days ago · 2 km deep · 11 km away
  5. 2.410 km ESE of Pe Ell, Washington · 213 days ago · 48 km deep · 93 km away · felt by 1
  6. 1.56 km SE of Mineral, Washington · 214 days ago · 21 km deep · 51 km away
  7. 1.87 km SE of Mineral, Washington · 215 days ago · 22 km deep · 50 km away
  8. 1.610 km NNW of Carson, Washington · 216 days ago · 10 km deep · 47 km away
  9. 2.223 km NNW of Carson, Washington · 220 days ago · 6 km deep · 34 km away
  10. 1.87 km SE of Mineral, Washington · 221 days ago · 22 km deep · 50 km away
  11. 1.831 km ENE of Yacolt, Washington · 223 days ago · 5 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw62235781. Read Thu, Oct 1, 2026, 8:09 PM UTC.