Oregon earthquakes

M1.5 earthquake 4 km WSW of Deer Island, Oregon

A magnitude 1.5 earthquake struck 4 km WSW of Deer Island, Oregon on Fri, Oct 25, 2002, 8:00 PM PDT (03:00 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.6 27 km ENE of Yacolt, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-10-26 03:00:19 UTC
Depth
22.8 km (14.2 mi), shallow
Epicenter
45.917° N, 122.893° 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 0.5 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
106°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.934 km N of Amboy, Washington · 8740 days ago · 7 km deep · 49 km away
  2. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 92 km away
  3. 1.5Washington-Oregon border region · 8736 days ago · 17 km deep · 37 km away
  4. 2.627 km ENE of Yacolt, Washington · 8731 days ago · 12 km deep · 62 km away
  5. 1.64 km WSW of Longview, Washington · 8718 days ago · 20 km deep · 25 km away
  6. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 63 km away
  7. 2.49 km E of Yacolt, Washington · 8711 days ago · 6 km deep · 47 km away
  8. 1.611 km E of Kalama, Washington · 8708 days ago · 14 km deep · 19 km away
  9. 1.510 km E of Kalama, Washington · 8708 days ago · 15 km deep · 18 km away
  10. 1.53 km NE of Bethany, Oregon · 8703 days ago · 25 km deep · 37 km away
  11. 1.72 km WSW of Deer Island, Oregon · 8702 days ago · 26 km deep · 1 km away
  12. 1.516 km S of Morton, Washington · 8702 days ago · 8 km deep · 74 km away
  13. 2.016 km ENE of Kalama, Washington · 8701 days ago · 17 km deep · 26 km away
  14. 2.13 km ENE of Bethany, Oregon · 8700 days ago · 21 km deep · 38 km away
  15. 1.96 km N of Beavercreek, Oregon · 8697 days ago · 22 km deep · 70 km away
  16. 2.49 km WSW of Mineral, Washington · 8697 days ago · 13 km deep · 97 km away
  17. 1.827 km ENE of Yacolt, Washington · 8693 days ago · 10 km deep · 62 km away

Before

  1. 1.538 km NNE of Amboy, Washington · 8743 days ago · 0 km deep · 63 km away
  2. 1.83 km WSW of Deer Island, Oregon · 8748 days ago · 25 km deep · 0 km away
  3. 1.63 km WSW of Deer Island, Oregon · 8750 days ago · 25 km deep · 0 km away
  4. 1.912 km NW of Amboy, Washington · 8761 days ago · 13 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10574543. Read Thu, Oct 1, 2026, 4:43 AM UTC.