Washington earthquakes

M2.3 earthquake 8 km ENE of Kalama, Washington

A magnitude 2.3 earthquake struck 8 km ENE of Kalama, Washington on Thu, Jul 28, 1983, 2:31 PM PDT (21:31 UTC), 15 km (9 mi) below the surface.

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
2.3 (md), micro
Local time
UTC
1983-07-28 21:31:39 UTC
Depth
14.5 km (9.0 mi), shallow
Epicenter
46.026° N, 122.734° 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, 1.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
95°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.212 km S of Pe Ell, Washington · 15755 days ago · -1 km deep · 64 km away
  2. 1.838 km NNE of Amboy, Washington · 15755 days ago · -2 km deep · 47 km away
  3. 1.539 km S of Morton, Washington · 15743 days ago · -2 km deep · 47 km away
  4. 2.238 km NNE of Amboy, Washington · 15733 days ago · -1 km deep · 47 km away
  5. 2.238 km S of Morton, Washington · 15716 days ago · -1 km deep · 47 km away
  6. 2.310 km SE of Mossyrock, Washington · 15713 days ago · 14 km deep · 55 km away
  7. 1.638 km NNE of Amboy, Washington · 15709 days ago · -1 km deep · 46 km away

Before

  1. 2.48 km ENE of Kalama, Washington · 15762 days ago · 15 km deep · 0 km away
  2. 2.19 km ENE of Kalama, Washington · 15762 days ago · 15 km deep · 0 km away
  3. 2.210 km N of Mossyrock, Washington · 15764 days ago · 17 km deep · 70 km away
  4. 1.838 km NNE of Amboy, Washington · 15770 days ago · -2 km deep · 47 km away
  5. 1.612 km SSW of Packwood, Washington · 15773 days ago · 1 km deep · 93 km away
  6. 1.538 km NNE of Amboy, Washington · 15778 days ago · -2 km deep · 47 km away
  7. 1.638 km NNE of Amboy, Washington · 15782 days ago · -2 km deep · 47 km away
  8. 2.45 km ENE of Chehalis, Washington · 15783 days ago · 52 km deep · 74 km away
  9. 1.838 km S of Morton, Washington · 15784 days ago · -2 km deep · 48 km away
  10. 1.739 km NNE of Amboy, Washington · 15785 days ago · 0 km deep · 47 km away
  11. 1.738 km NNE of Amboy, Washington · 15785 days ago · -2 km deep · 46 km away
  12. 2.138 km NNE of Amboy, Washington · 15786 days ago · -2 km deep · 46 km away
  13. 1.538 km NNE of Amboy, Washington · 15791 days ago · 0 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10163578. Read Tue, Sep 22, 2026, 9:19 AM UTC.