Washington earthquakes

M2.2 earthquake 5 km ESE of Kalama, Washington

A magnitude 2.2 earthquake struck 5 km ESE of Kalama, Washington on Wed, Jul 31, 1985, 6:41 PM PDT (01:41 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.4 14 km SSE of Ashford, 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
2.2 (md), micro
Local time
UTC
1985-08-01 01:41:08 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
45.996° N, 122.773° 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, 0.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
95°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.85 km SW of Lebam, Washington · 15019 days ago · 7 km deep · 86 km away
  2. 2.05 km SE of Pe Ell, Washington · 15018 days ago · -1 km deep · 70 km away
  3. 2.414 km SSE of Ashford, Washington · 15018 days ago · 8 km deep · 96 km away
  4. 1.738 km S of Morton, Washington · 15007 days ago · -2 km deep · 51 km away
  5. 1.538 km NNE of Amboy, Washington · 15005 days ago · -2 km deep · 50 km away
  6. 1.538 km NNE of Amboy, Washington · 15005 days ago · -2 km deep · 51 km away
  7. 1.538 km NNE of Amboy, Washington · 14997 days ago · -2 km deep · 51 km away
  8. 2.5Washington · 14991 days ago · 6 km deep · 55 km away
  9. 2.21 km NE of Brush Prairie, Washington · 14991 days ago · 15 km deep · 34 km away
  10. 1.829 km S of Morton, Washington · 14986 days ago · 10 km deep · 54 km away
  11. 1.639 km NNE of Amboy, Washington · 14982 days ago · -2 km deep · 52 km away
  12. 1.637 km NNE of Amboy, Washington · 14970 days ago · -1 km deep · 51 km away

Before

  1. 1.96 km S of Ashford, Washington · 15029 days ago · 8 km deep · 97 km away
  2. 1.738 km NNE of Amboy, Washington · 15030 days ago · -2 km deep · 50 km away
  3. 1.931 km S of Morton, Washington · 15030 days ago · 3 km deep · 53 km away
  4. 2.126 km S of Morton, Washington · 15032 days ago · 8 km deep · 56 km away
  5. 2.036 km WNW of Trout Lake, Washington · 15039 days ago · 2 km deep · 63 km away
  6. 1.938 km NNE of Amboy, Washington · 15040 days ago · -1 km deep · 51 km away
  7. 1.76 km SSW of Morton, Washington · 15043 days ago · 18 km deep · 67 km away
  8. 1.829 km NW of Trout Lake, Washington · 15053 days ago · -1 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10191398. Read Tue, Sep 22, 2026, 7:17 AM UTC.