Washington earthquakes

M3.0 earthquake 6 km SSW of Morton, Washington

A magnitude 3.0 earthquake struck 6 km SSW of Morton, Washington on Sun, May 29, 1977, 9:35 PM PDT (04:35 UTC), 24 km (15 mi) below the surface.

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
3.0 (md), minor
Local time
UTC
1977-05-30 04:35:55 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
46.506° N, 122.303° 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 0.5 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
126°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.69 km SSW of Morton, Washington · 18004 days ago · 0 km deep · 3 km away
  2. 2.13 km N of Bonney Lake, Washington · 17999 days ago · 3 km deep · 79 km away
  3. 2.24 km NNE of Bonney Lake, Washington · 17999 days ago · 6 km deep · 79 km away
  4. 2.12 km S of Lakeland North, Washington · 17998 days ago · 8 km deep · 89 km away
  5. 2.47 km SE of Mineral, Washington · 17992 days ago · 16 km deep · 23 km away
  6. 2.318 km ESE of Carbonado, Washington · 17992 days ago · -1 km deep · 64 km away
  7. 2.13 km N of Bonney Lake, Washington · 17992 days ago · 2 km deep · 78 km away
  8. 2.427 km SSE of Morton, Washington · 17990 days ago · 8 km deep · 22 km away
  9. 1.83 km NNE of Bonney Lake, Washington · 17989 days ago · 7 km deep · 78 km away
  10. 2.221 km ENE of Packwood, Washington · 17988 days ago · 2 km deep · 71 km away
  11. 2.011 km WSW of Porter, Washington · 17988 days ago · 0 km deep · 96 km away
  12. 1.71 km NNE of Bonney Lake, Washington · 17987 days ago · 14 km deep · 77 km away
  13. 2.529 km NE of Yacolt, Washington · 17985 days ago · 0 km deep · 55 km away
  14. 1.910 km WSW of Porter, Washington · 17979 days ago · 0 km deep · 96 km away
  15. 1.711 km SE of Carbonado, Washington · 17968 days ago · 5 km deep · 61 km away
  16. 2.717 km S of Mossyrock, Washington · 17967 days ago · 14 km deep · 20 km away
  17. 2.34 km SW of Orting, Washington · 17962 days ago · 0 km deep · 63 km away
  18. 1.73 km WSW of Rosedale, Washington · 17960 days ago · 19 km deep · 95 km away
  19. 2.02 km W of Artondale, Washington · 17958 days ago · 20 km deep · 92 km away

Before

  1. 2.931 km NE of Amboy, Washington · 18020 days ago · 13 km deep · 50 km away
  2. 2.66 km SSW of Morton, Washington · 18021 days ago · 19 km deep · 1 km away
  3. 2.218 km NNE of Ashford, Washington · 18025 days ago · 8 km deep · 53 km away
  4. 3.229 km S of Morton, Washington · 18037 days ago · 6 km deep · 24 km away
  5. 2.00 km NW of North Puyallup, Washington · 18040 days ago · 15 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843768. Read Tue, Sep 22, 2026, 8:00 AM UTC.