Washington earthquakes

M1.9 earthquake 1 km WNW of Orcas, Washington

A magnitude 1.9 earthquake struck 1 km WNW of Orcas, Washington on Tue, Aug 31, 1982, 2:17 AM PDT (09:17 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.0 5 km N of Friday Harbor, Washington. This one was a foreshock.

Friday Harbor 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
1.9 (md), micro
Local time
UTC
1982-08-31 09:17:38 UTC
Depth
12.0 km (7.5 mi), shallow
Epicenter
48.602° N, 122.965° 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 1.0 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
267°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.05 km N of Friday Harbor, Washington · 16093 days ago · 6 km deep · 4 km away
  2. 1.74 km E of Granite Falls, Washington · 16091 days ago · -1 km deep · 97 km away
  3. 1.79 km ESE of Orcas, Washington · 16085 days ago · 54 km deep · 11 km away
  4. 2.18 km SE of Camano, Washington · 16082 days ago · 26 km deep · 66 km away
  5. 1.54 km NNE of Cathan, Washington · 16075 days ago · 18 km deep · 72 km away
  6. 1.74 km NNE of Brinnon, Washington · 16070 days ago · 48 km deep · 99 km away
  7. 1.87 km NW of Kingston, Washington · 16068 days ago · 19 km deep · 89 km away
  8. 2.18 km SSE of Victoria, Canada · 16063 days ago · -1 km deep · 37 km away
  9. 1.69 km SW of Everson, Washington · 16039 days ago · 10 km deep · 48 km away
  10. 1.84 km SE of Port Ludlow, Washington · 16035 days ago · 18 km deep · 82 km away

Before

  1. 1.61 km ENE of Bangor Trident Base, Washington · 16100 days ago · 13 km deep · 99 km away
  2. 1.77 km NE of Concrete, Washington · 16101 days ago · -1 km deep · 95 km away
  3. 1.51 km ESE of Edmonds, Washington · 16110 days ago · 18 km deep · 99 km away
  4. 1.71 km NNE of Esperance, Washington · 16111 days ago · 22 km deep · 100 km away
  5. 1.513 km S of Chilliwack, Canada · 16112 days ago · 3 km deep · 88 km away
  6. 2.86 km WSW of Coupeville, Washington · 16115 days ago · 17 km deep · 48 km away
  7. 1.83 km SSE of Kingston, Washington · 16118 days ago · 14 km deep · 100 km away
  8. 2.86 km NNE of Acme, Washington · 16119 days ago · 13 km deep · 62 km away
  9. 2.010 km SSW of Chilliwack, Canada · 16120 days ago · 2 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10146968. Read Tue, Sep 22, 2026, 10:08 AM UTC.