Washington earthquakes

M1.6 earthquake 11 km E of Kalama, Washington

A magnitude 1.6 earthquake struck 11 km E of Kalama, Washington on Wed, Nov 27, 2002, 10:37 AM PST (18:37 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.4 9 km WSW of Mineral, Washington. This one was a foreshock.

Kalama 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-11-27 18:37:16 UTC
Depth
14.2 km (8.8 mi), shallow
Epicenter
46.021° N, 122.702° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
187°, poorly surrounded by stations
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: 13 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.510 km E of Kalama, Washington · 8708 days ago · 15 km deep · 1 km away
  2. 1.75 km ENE of Mineral, Washington · 8704 days ago · 9 km deep · 91 km away
  3. 1.53 km NE of Bethany, Oregon · 8702 days ago · 25 km deep · 49 km away
  4. 1.72 km WSW of Deer Island, Oregon · 8702 days ago · 26 km deep · 17 km away
  5. 1.516 km S of Morton, Washington · 8702 days ago · 8 km deep · 56 km away
  6. 2.016 km ENE of Kalama, Washington · 8700 days ago · 17 km deep · 8 km away
  7. 2.13 km ENE of Bethany, Oregon · 8699 days ago · 21 km deep · 51 km away
  8. 1.96 km N of Beavercreek, Oregon · 8697 days ago · 22 km deep · 77 km away
  9. 2.49 km WSW of Mineral, Washington · 8697 days ago · 13 km deep · 80 km away
  10. 1.827 km ENE of Yacolt, Washington · 8693 days ago · 10 km deep · 47 km away
  11. 1.54 km W of Ashford, Washington · 8688 days ago · 17 km deep · 95 km away
  12. 1.732 km S of Morton, Washington · 8666 days ago · 2 km deep · 47 km away
  13. 1.720 km SSE of Morton, Washington · 8650 days ago · 4 km deep · 55 km away

Before

  1. 2.49 km E of Yacolt, Washington · 8711 days ago · 6 km deep · 36 km away
  2. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 44 km away
  3. 1.64 km WSW of Longview, Washington · 8718 days ago · 20 km deep · 25 km away
  4. 2.627 km ENE of Yacolt, Washington · 8731 days ago · 12 km deep · 47 km away
  5. 1.5Washington-Oregon border region · 8736 days ago · 17 km deep · 36 km away
  6. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10583933. Read Thu, Oct 1, 2026, 2:35 AM UTC.