Oregon earthquakes

M1.7 earthquake 3 km W of Deer Island, Oregon

A magnitude 1.7 earthquake struck 3 km W of Deer Island, Oregon on Sat, Jan 19, 1985, 1:42 AM PST (09:42 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.1 38 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
1.7 (md), micro
Local time
UTC
1985-01-19 09:42:41 UTC
Depth
24.3 km (15.1 mi), shallow
Epicenter
45.932° N, 122.891° W
Region
Oregon
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 0.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
164°
Stations used
18

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 2 in the 30 days before it.

After

  1. 1.63 km WSW of Felida, Washington · 15207 days ago · 11 km deep · 29 km away
  2. 2.138 km NNE of Amboy, Washington · 15204 days ago · -1 km deep · 62 km away
  3. 1.52 km ENE of Brush Prairie, Washington · 15203 days ago · 9 km deep · 36 km away
  4. 1.538 km NNE of Amboy, Washington · 15192 days ago · -1 km deep · 62 km away
  5. 1.91 km E of Meadow Glade, Washington · 15192 days ago · 10 km deep · 33 km away
  6. 1.812 km SE of Mossyrock, Washington · 15188 days ago · 14 km deep · 69 km away
  7. 1.538 km NNE of Amboy, Washington · 15187 days ago · -1 km deep · 62 km away
  8. 1.56 km SSW of Morton, Washington · 15181 days ago · 20 km deep · 78 km away
  9. 1.622 km S of Morton, Washington · 15177 days ago · 15 km deep · 66 km away
  10. 1.538 km NNE of Amboy, Washington · 15176 days ago · -1 km deep · 62 km away
  11. 1.819 km SSE of Mossyrock, Washington · 15175 days ago · 20 km deep · 62 km away

Before

  1. 2.03 km W of Deer Island, Oregon · 15222 days ago · 23 km deep · 0 km away
  2. 1.738 km S of Morton, Washington · 15241 days ago · -1 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10188368. Read Tue, Sep 22, 2026, 4:51 PM UTC.