Washington earthquakes

M1.9 earthquake 12 km NW of Amboy, Washington

A magnitude 1.9 earthquake struck 12 km NW of Amboy, Washington on Sun, Oct 6, 2002, 2:11 AM PDT (09:11 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.6 27 km ENE of Yacolt, Washington. This one was a foreshock.

Amboy 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
1.9 (md), micro
Local time
UTC
2002-10-06 09:11:58 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
45.980° N, 122.577° 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 0.5 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
59°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.56 km NE of Government Camp, Oregon · 8760 days ago · 6 km deep · 98 km away
  2. 1.63 km WSW of Deer Island, Oregon · 8749 days ago · 25 km deep · 25 km away
  3. 1.83 km WSW of Deer Island, Oregon · 8748 days ago · 25 km deep · 25 km away
  4. 1.538 km NNE of Amboy, Washington · 8742 days ago · 0 km deep · 39 km away
  5. 1.54 km WSW of Deer Island, Oregon · 8741 days ago · 23 km deep · 25 km away
  6. 1.934 km N of Amboy, Washington · 8740 days ago · 7 km deep · 29 km away
  7. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 68 km away
  8. 1.5Washington-Oregon border region · 8736 days ago · 17 km deep · 28 km away
  9. 2.627 km ENE of Yacolt, Washington · 8731 days ago · 12 km deep · 37 km away
  10. 1.64 km WSW of Longview, Washington · 8717 days ago · 20 km deep · 36 km away
  11. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 39 km away
  12. 2.49 km E of Yacolt, Washington · 8711 days ago · 6 km deep · 25 km away
  13. 1.611 km E of Kalama, Washington · 8708 days ago · 14 km deep · 11 km away
  14. 1.510 km E of Kalama, Washington · 8708 days ago · 15 km deep · 11 km away
  15. 1.75 km ENE of Mineral, Washington · 8704 days ago · 9 km deep · 91 km away
  16. 1.53 km NE of Bethany, Oregon · 8702 days ago · 25 km deep · 48 km away
  17. 1.72 km WSW of Deer Island, Oregon · 8702 days ago · 26 km deep · 24 km away
  18. 1.516 km S of Morton, Washington · 8702 days ago · 8 km deep · 55 km away

Before

  1. 1.77 km NE of Government Camp, Oregon · 8762 days ago · 5 km deep · 100 km away
  2. 1.56 km SE of Mossyrock, Washington · 8774 days ago · 21 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10566623. Read Wed, Sep 30, 2026, 11:14 PM UTC.