Washington earthquakes

M1.6 earthquake 9 km WNW of Deer Island, Oregon

A magnitude 1.6 earthquake struck 9 km WNW of Deer Island, Oregon on Wed, Nov 26, 1980, 4:38 PM PST (00:38 UTC), 23 km (15 mi) below the surface.

A larger quake followed: M2.7 37 km NNE of Amboy, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1980-11-27 00:38:16 UTC
Depth
23.4 km (14.5 mi), shallow
Epicenter
45.966° N, 122.960° 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 1.3 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
245°, poorly surrounded by stations
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.623 km S of Morton, Washington · 16742 days ago · -1 km deep · 70 km away
  2. 1.537 km NNE of Amboy, Washington · 16725 days ago · 1 km deep · 65 km away
  3. 1.538 km S of Morton, Washington · 16719 days ago · -1 km deep · 67 km away
  4. 1.637 km NNE of Amboy, Washington · 16718 days ago · 1 km deep · 65 km away
  5. 2.036 km NNE of Amboy, Washington · 16717 days ago · 3 km deep · 64 km away
  6. 1.738 km S of Morton, Washington · 16716 days ago · 1 km deep · 64 km away
  7. 1.938 km S of Morton, Washington · 16716 days ago · 0 km deep · 66 km away
  8. 2.737 km NNE of Amboy, Washington · 16715 days ago · 1 km deep · 65 km away
  9. 1.838 km NNE of Amboy, Washington · 16715 days ago · 1 km deep · 65 km away
  10. 2.333 km NNE of Amboy, Washington · 16714 days ago · -1 km deep · 62 km away
  11. 1.736 km S of Morton, Washington · 16714 days ago · 0 km deep · 66 km away
  12. 1.64 km SW of Molalla, Oregon · 16708 days ago · 19 km deep · 97 km away
  13. 1.737 km NNE of Amboy, Washington · 16706 days ago · 0 km deep · 64 km away
  14. 1.63 km SW of Felida, Washington · 16694 days ago · 21 km deep · 36 km away

Before

  1. 2.112 km SE of Mossyrock, Washington · 16756 days ago · 9 km deep · 69 km away
  2. 2.125 km S of Morton, Washington · 16770 days ago · 1 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10094198. Read Sat, Oct 3, 2026, 2:44 PM UTC.