Washington earthquakes

M2.0 earthquake 19 km S of Morton, Washington

A magnitude 2.0 earthquake struck 19 km S of Morton, Washington on Tue, Oct 2, 1990, 5:46 PM PDT (00:46 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.3 15 km ESE of Kapowsin, 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
2.0 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-10-03 00:46:15 UTC
Depth
19.0 km (11.8 mi), shallow
Epicenter
46.388° N, 122.262° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
48°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.027 km ENE of Ashford, Washington · 13139 days ago · -2 km deep · 69 km away
  2. 1.724 km SE of Carbonado, Washington · 13126 days ago · -1 km deep · 71 km away
  3. 1.736 km NNE of Amboy, Washington · 13125 days ago · -2 km deep · 23 km away
  4. 1.738 km NNE of Amboy, Washington · 13125 days ago · -2 km deep · 21 km away
  5. 2.315 km ESE of Kapowsin, Washington · 13121 days ago · 6 km deep · 60 km away
  6. 1.615 km ESE of Kapowsin, Washington · 13121 days ago · 6 km deep · 61 km away
  7. 1.926 km ENE of Ashford, Washington · 13118 days ago · -2 km deep · 69 km away
  8. 2.036 km S of Morton, Washington · 13114 days ago · 0 km deep · 18 km away
  9. 1.923 km S of Morton, Washington · 13110 days ago · 7 km deep · 4 km away
  10. 1.621 km E of Kelso, Washington · 13109 days ago · 13 km deep · 40 km away
  11. 1.55 km SW of Pe Ell, Washington · 13108 days ago · 25 km deep · 84 km away
  12. 1.723 km ENE of Ashford, Washington · 13106 days ago · -2 km deep · 65 km away
  13. 1.838 km NNE of Amboy, Washington · 13105 days ago · -2 km deep · 21 km away
  14. 2.38 km NW of Longview Heights, Washington · 13097 days ago · 23 km deep · 60 km away
  15. 1.837 km NNE of Amboy, Washington · 13094 days ago · 0 km deep · 21 km away
  16. 1.638 km NNE of Amboy, Washington · 13091 days ago · 0 km deep · 21 km away

Before

  1. 1.65 km ESE of West Side Highway, Washington · 13151 days ago · 19 km deep · 51 km away
  2. 2.63 km ENE of Kelso, Washington · 13152 days ago · 21 km deep · 53 km away
  3. 2.93 km ENE of Kelso, Washington · 13152 days ago · 22 km deep · 53 km away
  4. 1.638 km NE of Amboy, Washington · 13156 days ago · -1 km deep · 23 km away
  5. 2.638 km NNE of Amboy, Washington · 13156 days ago · 0 km deep · 21 km away
  6. 1.614 km NNW of Amboy, Washington · 13159 days ago · 19 km deep · 44 km away
  7. 1.525 km ENE of Ashford, Washington · 13162 days ago · -2 km deep · 67 km away
  8. 2.237 km NNE of Amboy, Washington · 13164 days ago · -2 km deep · 22 km away
  9. 2.7Washington · 13166 days ago · 20 km deep · 55 km away
  10. 1.537 km NNE of Amboy, Washington · 13170 days ago · 5 km deep · 22 km away
  11. 1.524 km ENE of Ashford, Washington · 13171 days ago · -2 km deep · 66 km away
  12. 1.717 km ENE of Ashford, Washington · 13171 days ago · -1 km deep · 59 km away
  13. 2.04 km E of Mossyrock, Washington · 13172 days ago · 20 km deep · 20 km away
  14. 2.337 km NNE of Amboy, Washington · 13173 days ago · -1 km deep · 22 km away
  15. 1.537 km NE of Amboy, Washington · 13176 days ago · 14 km deep · 36 km away
  16. 1.637 km NNE of Amboy, Washington · 13176 days ago · 0 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10265248. Read Fri, Oct 2, 2026, 8:05 AM UTC.