Washington earthquakes

M1.7 earthquake 3 km W of Orcas, Washington

A magnitude 1.7 earthquake struck 3 km W of Orcas, Washington on Fri, Jun 17, 1977, 3:37 PM PDT (22:37 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.0 4 km WNW of Northwest Stanwood, 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
1.7 (md), micro
Local time
UTC
1977-06-17 22:37:22 UTC
Depth
10.9 km (6.7 mi), shallow
Epicenter
48.593° N, 122.996° 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 0.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
233°, 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 3 in the 30 days before it.

After

  1. 2.04 km WNW of Northwest Stanwood, Washington · 17993 days ago · 21 km deep · 56 km away
  2. 1.77 km SE of Orcas, Washington · 17983 days ago · 0 km deep · 10 km away
  3. 2.10 km SSE of Bryant, Washington · 17980 days ago · 0 km deep · 74 km away
  4. 2.68 km ESE of Deming, Washington · 17977 days ago · -1 km deep · 69 km away
  5. 3.63 km ENE of Edison, Washington · 17971 days ago · 12 km deep · 44 km away
  6. 1.96 km ESE of Edison, Washington · 17966 days ago · 5 km deep · 47 km away
  7. 3.75 km NW of Port Hadlock-Irondale, Washington · 17955 days ago · 53 km deep · 60 km away
  8. 1.51 km NNE of Lynnwood, Washington · 17945 days ago · 2 km deep · 99 km away
  9. 1.74 km NE of Kingston, Washington · 17942 days ago · 18 km deep · 93 km away
  10. 1.55 km NNW of Port Townsend, Washington · 17940 days ago · 20 km deep · 51 km away

Before

  1. 4.04 km N of Bangor Trident Base, Washington · 17994 days ago · 19 km deep · 95 km away
  2. 2.27 km NW of Kingston, Washington · 18013 days ago · 44 km deep · 89 km away
  3. 2.34 km NNW of Swede Heaven, Washington · 18020 days ago · 1 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843863. Read Tue, Sep 22, 2026, 7:58 AM UTC.