Washington earthquakes

M1.7 earthquake 37 km SSE of Morton, Washington

A magnitude 1.7 earthquake struck 37 km SSE of Morton, Washington on Tue, Jul 6, 1976, 8:38 PM PDT (03:38 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M1.8 7 km NNE of Onalaska, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1976-07-07 03:38:50 UTC
Depth
29.9 km (18.6 mi), shallow
Epicenter
46.234° N, 122.124° 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.

Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
228°, poorly surrounded by stations
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: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.67 km SSE of McKenna, Washington · 18338 days ago · 15 km deep · 78 km away
  2. 1.637 km SE of Morton, Washington · 18333 days ago · 3 km deep · 16 km away
  3. 1.87 km NNE of Onalaska, Washington · 18329 days ago · 22 km deep · 62 km away
  4. 1.931 km SSE of Mossyrock, Washington · 18319 days ago · 3 km deep · 21 km away
  5. 1.824 km NW of Trout Lake, Washington · 18317 days ago · 3 km deep · 31 km away
  6. 1.739 km SSE of Morton, Washington · 18311 days ago · 4 km deep · 3 km away
  7. 1.65 km ENE of Onalaska, Washington · 18310 days ago · 23 km deep · 58 km away
  8. 2.031 km S of Morton, Washington · 18298 days ago · 18 km deep · 12 km away
  9. 1.510 km WNW of Packwood, Washington · 18298 days ago · -1 km deep · 50 km away
  10. 2.221 km SSE of Mossyrock, Washington · 18298 days ago · 3 km deep · 24 km away
  11. 1.628 km NW of Trout Lake, Washington · 18283 days ago · 9 km deep · 28 km away
  12. 1.62 km ENE of Brush Prairie, Washington · 18283 days ago · 10 km deep · 62 km away
  13. 1.515 km SW of Alder, Washington · 18282 days ago · 9 km deep · 56 km away

Before

  1. 1.85 km W of Ashford, Washington · 18341 days ago · 17 km deep · 59 km away
  2. 1.92 km NE of Mossyrock, Washington · 18362 days ago · 19 km deep · 43 km away
  3. 1.65 km ENE of Elbe, Washington · 18369 days ago · 3 km deep · 62 km away
  4. 3.06 km NE of Elbe, Washington · 18369 days ago · 5 km deep · 63 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10841663. Read Wed, Sep 23, 2026, 8:21 PM UTC.