Washington earthquakes

M1.7 earthquake 11 km WSW of Tieton, Washington

A magnitude 1.7 earthquake struck 11 km WSW of Tieton, Washington on Thu, May 12, 1983, 1:59 AM PDT (08:59 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.8 12 km S of Snoqualmie Pass, Washington. This one was a foreshock.

Tieton 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
1.7 (md), micro
Local time
UTC
1983-05-12 08:59:42 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
46.668° N, 120.894° 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 0.8 km horizontally, 19.3 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
137°
Stations used
14

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 9 in the 30 days before it.

After

  1. 2.812 km S of Snoqualmie Pass, Washington · 15839 days ago · 11 km deep · 79 km away
  2. 2.018 km SSW of Greenwater, Washington · 15832 days ago · 18 km deep · 75 km away
  3. 2.015 km ENE of Cliffdell, Washington · 15830 days ago · 6 km deep · 39 km away
  4. 2.011 km SE of Snoqualmie Pass, Washington · 15819 days ago · 7 km deep · 78 km away
  5. 1.76 km ESE of Wilkeson, Washington · 15817 days ago · 12 km deep · 94 km away
  6. 1.832 km SSW of Packwood, Washington · 15803 days ago · 11 km deep · 83 km away
  7. 1.722 km ESE of Packwood, Washington · 15798 days ago · -1 km deep · 41 km away
  8. 2.18 km SSE of Leavenworth, Washington · 15795 days ago · 8 km deep · 98 km away
  9. 1.723 km NE of Sunnyside, Washington · 15794 days ago · 18 km deep · 90 km away
  10. 2.020 km SW of Tampico, Washington · 15792 days ago · -1 km deep · 32 km away

Before

  1. 1.57 km ENE of Ashford, Washington · 15848 days ago · 5 km deep · 81 km away
  2. 2.022 km SE of Greenwater, Washington · 15851 days ago · 6 km deep · 57 km away
  3. 2.29 km WNW of Snoqualmie Pass, Washington · 15852 days ago · 9 km deep · 96 km away
  4. 2.12 km NW of Terrace Heights, Washington · 15854 days ago · 7 km deep · 34 km away
  5. 1.521 km SE of Greenwater, Washington · 15859 days ago · 6 km deep · 58 km away
  6. 1.921 km SSE of Greenwater, Washington · 15861 days ago · 6 km deep · 59 km away
  7. 2.724 km ESE of Packwood, Washington · 15865 days ago · 4 km deep · 41 km away
  8. 1.716 km SSW of Greenwater, Washington · 15868 days ago · -1 km deep · 72 km away
  9. 1.88 km SSE of Leavenworth, Washington · 15877 days ago · 7 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10161213. Read Wed, Sep 30, 2026, 9:07 PM UTC.