Washington earthquakes

M1.8 earthquake 16 km SSW of Morton, Washington

A magnitude 1.8 earthquake struck 16 km SSW of Morton, Washington on Fri, Nov 3, 1972, 7:51 PM PST (03:51 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.1 2 km NE of Felida, 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
1.8 (md), micro
Local time
UTC
1972-11-04 03:51:16 UTC
Depth
19.3 km (12.0 mi), shallow
Epicenter
46.413° N, 122.318° 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, 1.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
149°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.127 km S of Morton, Washington · 19682 days ago · 1 km deep · 13 km away
  2. 1.88 km ESE of Enumclaw, Washington · 19677 days ago · 16 km deep · 91 km away
  3. 3.12 km NE of Felida, Washington · 19675 days ago · 10 km deep · 82 km away
  4. 2.5Washington · 19669 days ago · 2 km deep · 22 km away
  5. 2.335 km SSE of Morton, Washington · 19669 days ago · 3 km deep · 23 km away
  6. 1.98 km E of Ashford, Washington · 19660 days ago · -1 km deep · 50 km away
  7. 2.59 km W of Packwood, Washington · 19653 days ago · 7 km deep · 45 km away
  8. 2.89 km ESE of Ashford, Washington · 19650 days ago · 9 km deep · 47 km away
  9. 1.722 km WSW of Packwood, Washington · 19634 days ago · 3 km deep · 31 km away

Before

  1. 2.16 km NNE of Mossyrock, Washington · 19696 days ago · 32 km deep · 21 km away
  2. 2.416 km NNE of Ashford, Washington · 19698 days ago · 0 km deep · 60 km away
  3. 2.03 km ENE of Sumner, Washington · 19700 days ago · 13 km deep · 89 km away
  4. 2.117 km WSW of Packwood, Washington · 19703 days ago · 6 km deep · 36 km away
  5. 1.926 km SE of Morton, Washington · 19705 days ago · 13 km deep · 21 km away
  6. 2.620 km SSE of Mossyrock, Washington · 19710 days ago · 15 km deep · 9 km away
  7. 2.421 km SSE of Mossyrock, Washington · 19710 days ago · 13 km deep · 10 km away
  8. 2.516 km SE of Carbonado, Washington · 19712 days ago · 7 km deep · 68 km away
  9. 2.213 km WSW of Greenwater, Washington · 19713 days ago · 8 km deep · 86 km away
  10. 2.019 km SSE of Mossyrock, Washington · 19716 days ago · 17 km deep · 8 km away
  11. 2.523 km S of Mossyrock, Washington · 19716 days ago · 39 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10854718. Read Wed, Sep 30, 2026, 10:31 AM UTC.