Washington earthquakes

M1.6 earthquake 16 km NNE of Index, Washington

A magnitude 1.6 earthquake struck 16 km NNE of Index, Washington on Tue, Jun 8, 1982, 2:50 PM PDT (21:50 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 6 km SSW of Fall City, Washington. This one was a foreshock.

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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), micro
Local time
UTC
1982-06-08 21:50:19 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
47.969° N, 121.511° 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 3.1 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.56 km SSW of Fall City, Washington · 16177 days ago · 7 km deep · 60 km away
  2. 1.80 km WNW of Lofall, Washington · 16175 days ago · 18 km deep · 88 km away
  3. 1.53 km WSW of Entiat, Washington · 16167 days ago · 0 km deep · 100 km away
  4. 1.52 km SSE of Lake Bosworth, Washington · 16166 days ago · -1 km deep · 34 km away
  5. 1.68 km WNW of Stanwood, Washington · 16163 days ago · 17 km deep · 79 km away
  6. 1.84 km NW of Edmonds, Washington · 16163 days ago · 13 km deep · 70 km away
  7. 2.5Puget Sound region, Washington · 16162 days ago · 25 km deep · 67 km away
  8. 1.95 km NW of Edmonds, Washington · 16162 days ago · -1 km deep · 70 km away
  9. 1.54 km N of Bryant, Washington · 16160 days ago · 13 km deep · 59 km away
  10. 1.82 km ENE of Hobart, Washington · 16157 days ago · 19 km deep · 67 km away
  11. 1.62 km SE of Ault Field, Washington · 16156 days ago · 15 km deep · 93 km away
  12. 1.91 km SW of Roosevelt, Washington · 16155 days ago · 23 km deep · 39 km away
  13. 1.93 km SE of Lake Roesiger, Washington · 16149 days ago · 19 km deep · 29 km away
  14. 1.82 km WNW of Snoqualmie, Washington · 16144 days ago · -1 km deep · 54 km away
  15. 1.521 km SSE of Marblemount, Washington · 16144 days ago · 1 km deep · 45 km away
  16. 1.65 km W of Sunnyslope, Washington · 16142 days ago · 22 km deep · 99 km away
  17. 1.94 km ENE of Hobart, Washington · 16137 days ago · 20 km deep · 66 km away
  18. 2.04 km ENE of Sedro-Woolley, Washington · 16133 days ago · 15 km deep · 79 km away
  19. 1.72 km NNE of Rockport, Washington · 16133 days ago · 2 km deep · 61 km away
  20. 1.91 km WNW of Rockport, Washington · 16132 days ago · 0 km deep · 59 km away
  21. 2.41 km NE of Bothell West, Washington · 16130 days ago · 22 km deep · 56 km away
  22. 1.543 km WNW of Granite Falls, Washington · 16125 days ago · -1 km deep · 59 km away
  23. 1.72 km E of Maltby, Washington · 16122 days ago · 22 km deep · 46 km away
  24. 1.513 km NNE of Cashmere, Washington · 16120 days ago · 5 km deep · 89 km away
  25. 1.83 km SSE of Kingston, Washington · 16120 days ago · 14 km deep · 75 km away

Before

  1. 1.92 km W of Manchester, Washington · 16181 days ago · 23 km deep · 92 km away
  2. 2.73 km S of Cottage Lake, Washington · 16182 days ago · 7 km deep · 51 km away
  3. 1.82 km WSW of Cottage Lake, Washington · 16183 days ago · 16 km deep · 52 km away
  4. 3.03 km S of Cottage Lake, Washington · 16183 days ago · 6 km deep · 51 km away
  5. 2.84 km S of Cottage Lake, Washington · 16183 days ago · 1 km deep · 52 km away
  6. 1.64 km NNW of Skykomish, Washington · 16183 days ago · 4 km deep · 27 km away
  7. 1.63 km NNW of Maple Valley, Washington · 16184 days ago · 23 km deep · 74 km away
  8. 1.81 km ENE of Mercer Island, Washington · 16189 days ago · 20 km deep · 68 km away
  9. 1.61 km SSE of Inglewood-Finn Hill, Washington · 16190 days ago · 22 km deep · 61 km away
  10. 1.65 km N of White Center, Washington · 16193 days ago · 16 km deep · 77 km away
  11. 1.84 km ESE of Wilderness Rim, Washington · 16198 days ago · 13 km deep · 62 km away
  12. 1.811 km WNW of Entiat, Washington · 16205 days ago · 3 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10136473. Read Thu, Sep 24, 2026, 5:08 AM UTC.