Washington earthquakes

M3.2 earthquake 29 km S of Morton, Washington

A magnitude 3.2 earthquake struck 29 km S of Morton, Washington on Wed, May 4, 1977, 9:35 PM PDT (04:35 UTC), 6 km (4 mi) below the surface.

Morton forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.2 (md), minor
Local time
UTC
1977-05-05 04:35:05 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
46.298° N, 122.214° 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 0.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
158°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 2.218 km NNE of Ashford, Washington · 18025 days ago · 8 km deep · 72 km away
  2. 2.66 km SSW of Morton, Washington · 18020 days ago · 19 km deep · 24 km away
  3. 2.931 km NE of Amboy, Washington · 18020 days ago · 13 km deep · 26 km away
  4. 3.06 km SSW of Morton, Washington · 18012 days ago · 24 km deep · 24 km away
  5. 2.69 km SSW of Morton, Washington · 18004 days ago · 0 km deep · 22 km away
  6. 2.47 km SE of Mineral, Washington · 17992 days ago · 16 km deep · 42 km away
  7. 2.318 km ESE of Carbonado, Washington · 17992 days ago · -1 km deep · 82 km away
  8. 2.427 km SSE of Morton, Washington · 17990 days ago · 8 km deep · 3 km away
  9. 2.221 km ENE of Packwood, Washington · 17988 days ago · 2 km deep · 75 km away
  10. 1.71 km NNE of Bonney Lake, Washington · 17987 days ago · 14 km deep · 100 km away
  11. 2.529 km NE of Yacolt, Washington · 17985 days ago · 0 km deep · 31 km away

Before

  1. 1.87 km SE of Enumclaw, Washington · 18044 days ago · 19 km deep · 98 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843608. Read Tue, Sep 22, 2026, 5:44 AM UTC.