Washington earthquakes

M1.7 earthquake 10 km S of Morton, Washington

A magnitude 1.7 earthquake struck 10 km S of Morton, Washington on Mon, Mar 25, 2002, 3:27 PM PST (23:27 UTC), 15 km (10 mi) below the surface.

A larger quake followed: M2.4 2 km SSE of Auburn, 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 (md), micro
Local time
UTC
2002-03-25 23:27:43 UTC
Depth
15.5 km (9.6 mi), shallow
Epicenter
46.460° N, 122.266° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
69°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.93 km WSW of Home, Washington · 8955 days ago · 8 km deep · 98 km away
  2. 2.42 km SSE of Auburn, Washington · 8954 days ago · 18 km deep · 92 km away
  3. 2.12 km S of Auburn, Washington · 8954 days ago · 18 km deep · 92 km away
  4. 1.58 km S of Morton, Washington · 8953 days ago · 18 km deep · 3 km away
  5. 1.53 km NE of Bonney Lake, Washington · 8953 days ago · 16 km deep · 83 km away
  6. 1.511 km SW of Nile, Washington · 8942 days ago · -1 km deep · 99 km away
  7. 2.114 km NNE of Ashford, Washington · 8939 days ago · 9 km deep · 52 km away
  8. 1.829 km ESE of Packwood, Washington · 8935 days ago · 5 km deep · 72 km away
  9. 1.622 km NE of Amboy, Washington · 8928 days ago · -1 km deep · 44 km away
  10. 2.22 km NNW of Lakeland South, Washington · 8928 days ago · 21 km deep · 93 km away
  11. 1.518 km SSE of Carbonado, Washington · 8927 days ago · 13 km deep · 58 km away
  12. 2.05 km SE of Mossyrock, Washington · 8910 days ago · 18 km deep · 13 km away
  13. 1.63 km NE of Amboy, Washington · 8908 days ago · 9 km deep · 60 km away
  14. 2.128 km ESE of Packwood, Washington · 8907 days ago · 1 km deep · 71 km away
  15. 1.720 km SSE of Mossyrock, Washington · 8907 days ago · 6 km deep · 15 km away
  16. 1.838 km NNE of Amboy, Washington · 8905 days ago · 2 km deep · 29 km away
  17. 1.88 km SSE of Carbonado, Washington · 8905 days ago · 14 km deep · 64 km away
  18. 1.938 km NNE of Amboy, Washington · 8897 days ago · 0 km deep · 29 km away

Before

  1. 2.12 km NW of Mill Plain, Washington · 8957 days ago · 18 km deep · 91 km away
  2. 1.614 km NE of Ashford, Washington · 8958 days ago · 11 km deep · 53 km away
  3. 1.811 km NNE of Ashford, Washington · 8965 days ago · 8 km deep · 49 km away
  4. 1.53 km NNW of Fife Heights, Washington · 8972 days ago · 20 km deep · 93 km away
  5. 1.614 km NNE of Ashford, Washington · 8973 days ago · 9 km deep · 52 km away
  6. 2.116 km NE of Ashford, Washington · 8977 days ago · 10 km deep · 54 km away
  7. 1.59 km NE of Ashford, Washington · 8980 days ago · 10 km deep · 47 km away
  8. 1.616 km SE of Carbonado, Washington · 8981 days ago · 7 km deep · 63 km away
  9. 1.617 km SE of Carbonado, Washington · 8981 days ago · 7 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10554953. Read Wed, Sep 30, 2026, 11:49 PM UTC.