Washington earthquakes

M2.2 earthquake 13 km SSW of Alder, Washington

A magnitude 2.2 earthquake struck 13 km SSW of Alder, Washington on Tue, Feb 8, 1972, 6:58 PM PST (02:58 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.4 1 km S of Vaughn, 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
2.2 (md), micro
Local time
UTC
1972-02-09 02:58:59 UTC
Depth
28.6 km (17.8 mi), shallow
Epicenter
46.691° N, 122.373° 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 1.1 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
216°, 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 8 in the 30 days before it.

After

  1. 2.219 km SSE of Packwood, Washington · 19946 days ago · 14 km deep · 66 km away
  2. 3.41 km S of Vaughn, Washington · 19936 days ago · 5 km deep · 77 km away
  3. 2.31 km NNE of Mercer Island, Washington · 19929 days ago · 20 km deep · 100 km away
  4. 1.73 km WSW of Fox Island, Washington · 19927 days ago · 49 km deep · 65 km away
  5. 2.512 km SSE of Carbonado, Washington · 19920 days ago · 5 km deep · 44 km away
  6. 2.01 km SSW of Beaux Arts Village, Washington · 19919 days ago · 20 km deep · 99 km away
  7. 2.32 km S of Vaughn, Washington · 19908 days ago · 17 km deep · 76 km away
  8. 1.51 km NE of Burien, Washington · 19900 days ago · 22 km deep · 88 km away
  9. 2.314 km SW of Alder, Washington · 19898 days ago · 33 km deep · 2 km away
  10. 1.62 km S of Vaughn, Washington · 19895 days ago · 17 km deep · 76 km away

Before

  1. 2.01 km NE of Burien, Washington · 19955 days ago · 27 km deep · 88 km away
  2. 2.32 km NW of Southworth, Washington · 19959 days ago · 20 km deep · 93 km away
  3. 1.92 km W of White Center, Washington · 19970 days ago · 24 km deep · 91 km away
  4. 2.95 km NNE of Dash Point, Washington · 19973 days ago · 13 km deep · 75 km away
  5. 2.14 km SW of Yelm, Washington · 19974 days ago · 23 km deep · 33 km away
  6. 2.87 km NW of Belfair, Washington · 19974 days ago · 23 km deep · 98 km away
  7. 2.25 km SW of Des Moines, Washington · 19975 days ago · 19 km deep · 75 km away
  8. 3.61 km NE of Artondale, Washington · 19975 days ago · 45 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10852658. Read Tue, Sep 22, 2026, 7:24 AM UTC.