Washington earthquakes

M1.8 earthquake 7 km NNE of Bryant, Washington

A magnitude 1.8 earthquake struck 7 km NNE of Bryant, Washington on Mon, Dec 12, 1977, 2:49 AM PST (10:49 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M1.9 4 km NNE of Woods Creek, Washington. This one was a foreshock.

Bryant 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
1977-12-12 10:49:51 UTC
Depth
2.2 km (1.3 mi), shallow
Epicenter
48.305° N, 122.123° 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 0.8 km horizontally, 4.4 km in depth
Depth from
From location
Station coverage gap
121°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.63 km W of Suquamish, Washington · 17814 days ago · 24 km deep · 73 km away
  2. 1.54 km ESE of Indianola, Washington · 17810 days ago · 15 km deep · 68 km away
  3. 1.63 km W of Chico, Washington · 17809 days ago · 19 km deep · 90 km away
  4. 1.94 km NNE of Woods Creek, Washington · 17806 days ago · 12 km deep · 46 km away
  5. 1.60 km N of Southworth, Washington · 17805 days ago · 18 km deep · 92 km away
  6. 2.26 km SSE of Port Angeles East, Washington · 17802 days ago · 44 km deep · 94 km away
  7. 2.118 km N of Index, Washington · 17802 days ago · 5 km deep · 58 km away
  8. 1.718 km N of Index, Washington · 17802 days ago · 5 km deep · 58 km away
  9. 1.719 km N of Index, Washington · 17802 days ago · 8 km deep · 58 km away
  10. 1.817 km NE of May Creek, Washington · 17802 days ago · 8 km deep · 57 km away
  11. 2.09 km ENE of Carnation, Washington · 17801 days ago · 16 km deep · 74 km away
  12. 1.518 km S of Friday Harbor, Washington · 17801 days ago · 0 km deep · 64 km away
  13. 1.62 km NW of Maple Valley, Washington · 17799 days ago · 17 km deep · 100 km away
  14. 1.95 km SE of Monroe, Washington · 17798 days ago · 9 km deep · 57 km away
  15. 2.72 km ENE of Nooksack, Washington · 17787 days ago · 0 km deep · 71 km away
  16. 2.02 km SE of Bangor Trident Base, Washington · 17786 days ago · 48 km deep · 79 km away
  17. 1.71 km NNE of Cathcart, Washington · 17778 days ago · 17 km deep · 49 km away
  18. 2.36 km NNE of Lofall, Washington · 17772 days ago · 19 km deep · 62 km away
  19. 1.53 km WSW of Wilderness Rim, Washington · 17770 days ago · 19 km deep · 99 km away
  20. 1.95 km SE of Klahanie, Washington · 17761 days ago · 19 km deep · 86 km away
  21. 2.08 km WNW of Gorst, Washington · 17757 days ago · 21 km deep · 98 km away

Before

  1. 1.57 km WNW of Swede Heaven, Washington · 17817 days ago · 6 km deep · 22 km away
  2. 2.11 km WNW of Indianola, Washington · 17819 days ago · 18 km deep · 69 km away
  3. 1.70 km NNW of Clyde Hill, Washington · 17821 days ago · 21 km deep · 75 km away
  4. 1.91 km NE of Maple Heights-Lake Desire, Washington · 17833 days ago · 16 km deep · 95 km away
  5. 2.32 km WNW of La Conner, Washington · 17845 days ago · 22 km deep · 31 km away
  6. 1.92 km SSE of Three Lakes, Washington · 17846 days ago · 8 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10845353. Read Tue, Sep 22, 2026, 3:25 PM UTC.