Washington earthquakes

M1.9 earthquake 9 km SSW of Morton, Washington

A magnitude 1.9 earthquake struck 9 km SSW of Morton, Washington on Sun, Jul 8, 1979, 6:27 AM PDT (13:27 UTC), 20 km (12 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
1.9 (md), micro
Local time
UTC
1979-07-08 13:27:02 UTC
Depth
19.8 km (12.3 mi), shallow
Epicenter
46.474° N, 122.317° 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, 0.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
124°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.810 km SSW of Morton, Washington · 17242 days ago · 19 km deep · 2 km away
  2. 1.69 km SSW of Morton, Washington · 17242 days ago · 19 km deep · 0 km away
  3. 1.710 km WNW of North Portland, Oregon · 17235 days ago · 13 km deep · 99 km away
  4. 1.728 km S of Morton, Washington · 17226 days ago · 5 km deep · 21 km away
  5. 1.9Washington · 17220 days ago · 26 km deep · 61 km away
  6. 1.516 km S of Morton, Washington · 17217 days ago · 20 km deep · 7 km away
  7. 1.714 km S of Packwood, Washington · 17184 days ago · 2 km deep · 47 km away

Before

  1. 2.710 km SSW of Morton, Washington · 17244 days ago · 22 km deep · 1 km away
  2. 3.69 km SSW of Morton, Washington · 17244 days ago · 20 km deep · 1 km away
  3. 1.73 km W of Covington, Washington · 17258 days ago · 1 km deep · 99 km away
  4. 2.42 km W of Fox Island, Washington · 17265 days ago · 23 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10850173. Read Tue, Sep 22, 2026, 10:58 AM UTC.