Washington earthquakes

M1.5 earthquake 8 km NE of Maple Falls, Washington

A magnitude 1.5 earthquake struck 8 km NE of Maple Falls, Washington on Tue, Jul 15, 1980, 2:33 PM PDT (21:33 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M1.7 22 km E of Darrington, 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
1.5 (md), micro
Local time
UTC
1980-07-15 21:33:06 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
48.975° N, 121.997° 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 2.3 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.16
Depth from
Operator assigned
Station coverage gap
332°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.722 km E of Darrington, Washington · 16868 days ago · 8 km deep · 91 km away
  2. 1.510 km SSW of Swede Heaven, Washington · 16867 days ago · 17 km deep · 86 km away
  3. 1.55 km SSW of Darrington, Washington · 16865 days ago · 6 km deep · 89 km away
  4. 1.75 km ENE of Anacortes, Washington · 16865 days ago · 18 km deep · 63 km away
  5. 1.94 km E of Granite Falls, Washington · 16858 days ago · -1 km deep · 98 km away
  6. 1.712 km NNE of Maple Falls, Washington · 16857 days ago · 1 km deep · 7 km away
  7. 1.92 km N of Hamilton, Washington · 16855 days ago · 3 km deep · 48 km away
  8. 1.75 km NNE of Oso, Washington · 16853 days ago · -1 km deep · 74 km away
  9. 2.09 km WNW of Orcas, Washington · 16844 days ago · 18 km deep · 88 km away
  10. 1.59 km WNW of Orcas, Washington · 16844 days ago · 13 km deep · 89 km away
  11. 1.57 km WNW of Anacortes, Washington · 16843 days ago · 52 km deep · 72 km away
  12. 3.05 km SW of Darrington, Washington · 16832 days ago · 1 km deep · 88 km away
  13. 1.719 km SSW of Birch Bay, Washington · 16832 days ago · 11 km deep · 68 km away
  14. 2.12 km NNW of Warm Beach, Washington · 16822 days ago · 29 km deep · 91 km away

Before

  1. 1.714 km SSW of Concrete, Washington · 16872 days ago · 2 km deep · 63 km away
  2. 2.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 13 km deep · 74 km away
  3. 1.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 74 km away
  4. 1.55 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 10 km deep · 74 km away
  5. 2.25 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 75 km away
  6. 1.75 km S of La Conner, Washington · 16882 days ago · 8 km deep · 80 km away
  7. 1.57 km WSW of Lake Cavanaugh, Washington · 16885 days ago · 10 km deep · 75 km away
  8. 1.54 km ENE of Glacier, Washington · 16899 days ago · 1 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10082228. Read Wed, Sep 23, 2026, 5:23 AM UTC.