Washington earthquakes

M1.8 earthquake 3 km NNE of Packwood, Washington

A magnitude 1.8 earthquake struck 3 km NNE of Packwood, Washington on Thu, Sep 16, 1982, 9:21 PM PDT (04:21 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.4 8 km S of Cliffdell, Washington. This one was a foreshock.

Morton 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
1.8 (md), micro
Local time
UTC
1982-09-17 04:21:26 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
46.638° N, 121.653° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
87°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.936 km NNE of Amboy, Washington · 16081 days ago · -1 km deep · 65 km away
  2. 1.823 km S of Morton, Washington · 16078 days ago · 9 km deep · 56 km away
  3. 1.90 km N of Lakeland South, Washington · 16078 days ago · 7 km deep · 86 km away
  4. 1.517 km NW of Packwood, Washington · 16075 days ago · -1 km deep · 16 km away
  5. 3.48 km S of Cliffdell, Washington · 16072 days ago · 2 km deep · 53 km away
  6. 1.69 km SSE of Cliffdell, Washington · 16072 days ago · 2 km deep · 53 km away
  7. 1.725 km S of Morton, Washington · 16059 days ago · 8 km deep · 56 km away
  8. 2.021 km S of Morton, Washington · 16057 days ago · 10 km deep · 56 km away
  9. 2.615 km SSW of Easton, Washington · 16056 days ago · 0 km deep · 60 km away
  10. 1.76 km SSW of Wilderness Rim, Washington · 16051 days ago · 19 km deep · 85 km away
  11. 1.922 km S of Morton, Washington · 16047 days ago · 6 km deep · 54 km away
  12. 1.538 km S of Morton, Washington · 16040 days ago · -2 km deep · 62 km away
  13. 1.539 km NNE of Amboy, Washington · 16040 days ago · -2 km deep · 63 km away
  14. 1.538 km NNE of Amboy, Washington · 16036 days ago · -1 km deep · 63 km away
  15. 1.538 km NNE of Amboy, Washington · 16034 days ago · -2 km deep · 63 km away
  16. 1.638 km NNE of Amboy, Washington · 16034 days ago · -2 km deep · 63 km away
  17. 1.620 km NNE of Ashford, Washington · 16033 days ago · 3 km deep · 35 km away
  18. 1.97 km SE of Wilderness Rim, Washington · 16032 days ago · -1 km deep · 84 km away
  19. 1.838 km NNE of Amboy, Washington · 16030 days ago · -2 km deep · 63 km away
  20. 1.56 km S of Cliffdell, Washington · 16030 days ago · 1 km deep · 53 km away
  21. 1.58 km ENE of Onalaska, Washington · 16029 days ago · 26 km deep · 74 km away
  22. 1.824 km S of Morton, Washington · 16025 days ago · 10 km deep · 56 km away
  23. 1.538 km NNE of Amboy, Washington · 16025 days ago · -2 km deep · 63 km away
  24. 2.38 km SE of Wilderness Rim, Washington · 16024 days ago · -1 km deep · 84 km away
  25. 1.813 km NNE of Ashford, Washington · 16023 days ago · 8 km deep · 37 km away
  26. 1.638 km NNE of Amboy, Washington · 16022 days ago · -2 km deep · 64 km away

Before

  1. 1.612 km NE of Ashford, Washington · 16085 days ago · 9 km deep · 32 km away
  2. 2.222 km ESE of Packwood, Washington · 16093 days ago · 0 km deep · 23 km away
  3. 1.622 km S of Morton, Washington · 16094 days ago · 4 km deep · 55 km away
  4. 1.613 km NE of Ashford, Washington · 16095 days ago · 9 km deep · 31 km away
  5. 1.837 km SSE of Morton, Washington · 16096 days ago · 9 km deep · 57 km away
  6. 1.86 km S of Greenwater, Washington · 16096 days ago · 2 km deep · 51 km away
  7. 1.723 km ESE of Packwood, Washington · 16100 days ago · 2 km deep · 24 km away
  8. 1.86 km WSW of Nile, Washington · 16100 days ago · 6 km deep · 52 km away
  9. 1.916 km NNE of Ashford, Washington · 16101 days ago · 8 km deep · 35 km away
  10. 2.423 km ESE of Packwood, Washington · 16101 days ago · 0 km deep · 24 km away
  11. 1.525 km S of Morton, Washington · 16105 days ago · 8 km deep · 57 km away
  12. 2.322 km S of Morton, Washington · 16110 days ago · 8 km deep · 55 km away
  13. 1.737 km NNE of Amboy, Washington · 16111 days ago · 0 km deep · 65 km away
  14. 2.137 km NNE of Amboy, Washington · 16111 days ago · 1 km deep · 64 km away
  15. 1.913 km SE of Mossyrock, Washington · 16111 days ago · 10 km deep · 61 km away
  16. 2.837 km NNE of Amboy, Washington · 16111 days ago · 0 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10144658. Read Sun, Sep 27, 2026, 5:12 PM UTC.