Washington earthquakes

M2.1 earthquake 15 km NNW of Anacortes, Washington

A magnitude 2.1 earthquake struck 15 km NNW of Anacortes, Washington on Wed, Jul 5, 1972, 11:46 AM PDT (18:46 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.0 4 km SE of Kingston, Washington. This one was a foreshock.

Anacortes 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
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1972-07-05 18:46:18 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
48.647° N, 122.680° 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, 1.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
295°, 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: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.51 km NE of Three Lakes, Washington · 19809 days ago · 14 km deep · 92 km away
  2. 1.821 km SE of Oak Bay, Canada · 19802 days ago · 47 km deep · 47 km away
  3. 2.011 km WSW of Ault Field, Washington · 19800 days ago · 29 km deep · 40 km away
  4. 3.04 km SE of Kingston, Washington · 19789 days ago · 22 km deep · 100 km away
  5. 2.04 km SE of Kingston, Washington · 19789 days ago · 21 km deep · 99 km away
  6. 2.43 km W of Anacortes, Washington · 19789 days ago · 57 km deep · 14 km away
  7. 1.95 km N of Quilcene, Washington · 19787 days ago · 15 km deep · 88 km away
  8. 1.74 km SSW of Quilcene, Washington · 19785 days ago · 13 km deep · 98 km away
  9. 1.87 km SW of Coupeville, Washington · 19782 days ago · 26 km deep · 52 km away
  10. 2.01 km SSW of Woodway, Washington · 19772 days ago · 42 km deep · 99 km away
  11. 1.63 km NE of Cathcart, Washington · 19772 days ago · 23 km deep · 97 km away

Before

  1. 2.76 km S of Blyn, Washington · 19817 days ago · 50 km deep · 80 km away
  2. 3.23 km NE of La Conner, Washington · 19819 days ago · 21 km deep · 30 km away
  3. 2.51 km NW of Fobes Hill, Washington · 19823 days ago · 22 km deep · 87 km away
  4. 3.41 km NNW of Fobes Hill, Washington · 19823 days ago · 20 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10853383. Read Fri, Oct 2, 2026, 5:26 PM UTC.