Washington earthquakes

M1.6 earthquake 7 km SE of Mineral, Washington

A magnitude 1.6 earthquake struck 7 km SE of Mineral, Washington on Sat, Dec 4, 1971, 6:55 AM PST (14:55 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M1.7 0 km NE of White Center, Washington. This one was a foreshock.

Morton 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
1.6 (md), micro
Local time
UTC
1971-12-04 14:55:21 UTC
Depth
32.1 km (19.9 mi), shallow
Epicenter
46.669° N, 122.115° 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 0.4 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
271°, 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 3 in the 30 days before it.

After

  1. 1.70 km NE of White Center, Washington · 20016 days ago · 25 km deep · 97 km away
  2. 2.02 km SSE of Des Moines, Washington · 20014 days ago · 8 km deep · 80 km away
  3. 2.32 km ENE of Snoqualmie, Washington · 20001 days ago · 12 km deep · 100 km away
  4. 2.018 km SSE of Carbonado, Washington · 20000 days ago · 4 km deep · 31 km away
  5. 2.421 km S of Morton, Washington · 19991 days ago · 24 km deep · 36 km away
  6. 2.91 km SW of Ketron, Washington · 19989 days ago · 24 km deep · 66 km away
  7. 2.34 km WSW of Shelton, Washington · 19985 days ago · 15 km deep · 98 km away
  8. 3.61 km NE of Artondale, Washington · 19976 days ago · 45 km deep · 80 km away
  9. 2.25 km SW of Des Moines, Washington · 19975 days ago · 19 km deep · 80 km away
  10. 2.04 km E of Tanner, Washington · 19975 days ago · 79 km deep · 96 km away
  11. 2.14 km SW of Yelm, Washington · 19974 days ago · 23 km deep · 49 km away
  12. 2.95 km NNE of Dash Point, Washington · 19973 days ago · 13 km deep · 80 km away
  13. 1.92 km W of White Center, Washington · 19970 days ago · 24 km deep · 96 km away
  14. 2.32 km NW of Southworth, Washington · 19959 days ago · 20 km deep · 100 km away

Before

  1. 1.93 km S of Des Moines, Washington · 20022 days ago · 9 km deep · 80 km away
  2. 1.83 km NNE of Bonney Lake, Washington · 20022 days ago · 21 km deep · 60 km away
  3. 1.74 km ESE of Issaquah, Washington · 20038 days ago · 19 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10852138. Read Tue, Sep 22, 2026, 12:19 PM UTC.