Washington earthquakes

M1.9 earthquake 4 km E of Granite Falls, Washington

A magnitude 1.9 earthquake struck 4 km E of Granite Falls, Washington on Mon, Jul 28, 1980, 5:58 AM PDT (12:58 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.4 2 km SE of City of Sammamish, Washington. This one was a foreshock.

Granite Falls 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
1980-07-28 12:58:55 UTC
Depth
-0.9 km (-0.5 mi), shallow
Epicenter
48.091° N, 121.911° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
95°
Stations used
12

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 16 in the 30 days before it.

After

  1. 1.92 km N of Hamilton, Washington · 16855 days ago · 3 km deep · 50 km away
  2. 1.75 km NNE of Oso, Washington · 16853 days ago · -1 km deep · 25 km away
  3. 1.71 km ENE of Browns Point, Washington · 16846 days ago · 13 km deep · 96 km away
  4. 1.57 km WNW of Anacortes, Washington · 16843 days ago · 52 km deep · 77 km away
  5. 2.42 km SE of City of Sammamish, Washington · 16835 days ago · 9 km deep · 56 km away
  6. 1.515 km NNE of Greenwater, Washington · 16833 days ago · 7 km deep · 93 km away
  7. 1.54 km W of Wauna, Washington · 16832 days ago · 21 km deep · 99 km away
  8. 3.05 km SW of Darrington, Washington · 16832 days ago · 1 km deep · 24 km away
  9. 1.64 km WSW of Hansville, Washington · 16832 days ago · 16 km deep · 56 km away
  10. 1.63 km W of Shoreline, Washington · 16830 days ago · 19 km deep · 52 km away
  11. 1.84 km WSW of Shoreline, Washington · 16823 days ago · 20 km deep · 53 km away
  12. 2.12 km NNW of Warm Beach, Washington · 16822 days ago · 29 km deep · 37 km away
  13. 2.26 km S of Wilderness Rim, Washington · 16805 days ago · 17 km deep · 79 km away
  14. 3.83 km NNW of North Sultan, Washington · 16804 days ago · 4 km deep · 21 km away
  15. 3.53 km NNW of North Sultan, Washington · 16802 days ago · 3 km deep · 21 km away
  16. 1.74 km NW of North Sultan, Washington · 16802 days ago · 1 km deep · 21 km away
  17. 1.75 km SSW of Lake McMurray, Washington · 16801 days ago · 0 km deep · 32 km away
  18. 1.611 km N of Swede Heaven, Washington · 16799 days ago · 4 km deep · 36 km away
  19. 1.620 km W of Quilcene, Washington · 16799 days ago · 42 km deep · 95 km away
  20. 1.73 km SW of Darrington, Washington · 16798 days ago · 5 km deep · 26 km away
  21. 1.521 km SE of Glacier, Washington · 16798 days ago · 23 km deep · 72 km away

Before

  1. 1.75 km ENE of Anacortes, Washington · 16865 days ago · 18 km deep · 67 km away
  2. 1.55 km SSW of Darrington, Washington · 16865 days ago · 6 km deep · 25 km away
  3. 1.74 km SSW of Wilderness Rim, Washington · 16867 days ago · 26 km deep · 77 km away
  4. 1.510 km SSW of Swede Heaven, Washington · 16867 days ago · 17 km deep · 15 km away
  5. 1.722 km E of Darrington, Washington · 16868 days ago · 8 km deep · 50 km away
  6. 1.58 km NE of Maple Falls, Washington · 16870 days ago · -1 km deep · 98 km away
  7. 1.714 km SSW of Concrete, Washington · 16872 days ago · 2 km deep · 37 km away
  8. 2.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 13 km deep · 28 km away
  9. 1.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 28 km away
  10. 1.55 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 10 km deep · 28 km away
  11. 2.25 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 27 km away
  12. 1.63 km SSW of Fall City, Washington · 16881 days ago · 18 km deep · 62 km away
  13. 1.89 km SSW of Wilderness Rim, Washington · 16882 days ago · 1 km deep · 80 km away
  14. 1.75 km S of La Conner, Washington · 16882 days ago · 8 km deep · 52 km away
  15. 1.712 km ESE of Ravensdale, Washington · 16882 days ago · 18 km deep · 87 km away
  16. 1.57 km WSW of Lake Cavanaugh, Washington · 16885 days ago · 10 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10085873. Read Wed, Sep 23, 2026, 12:52 AM UTC.