Washington earthquakes

M1.7 earthquake 4 km NNE of Waterville, Washington

A magnitude 1.7 earthquake struck 4 km NNE of Waterville, Washington on Wed, Jul 6, 1983, 3:04 AM PDT (10:04 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.2 2 km NNE of Entiat, Washington. This one was a foreshock.

Waterville forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1983-07-06 10:04:29 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
47.685° N, 120.057° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
99°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.22 km NNE of Entiat, Washington · 15781 days ago · 5 km deep · 10 km away
  2. 1.514 km W of Entiat, Washington · 15768 days ago · 3 km deep · 26 km away
  3. 2.09 km SW of Royal City, Washington · 15768 days ago · 0 km deep · 99 km away
  4. 2.56 km NNW of Waterville, Washington · 15766 days ago · 0 km deep · 4 km away
  5. 1.59 km WNW of Entiat, Washington · 15766 days ago · 3 km deep · 20 km away
  6. 1.913 km NE of Mattawa, Washington · 15763 days ago · 1 km deep · 97 km away
  7. 1.77 km NNE of Entiat, Washington · 15760 days ago · 0 km deep · 10 km away
  8. 1.511 km WSW of Cashmere, Washington · 15757 days ago · 0 km deep · 47 km away
  9. 1.64 km S of Entiat, Washington · 15753 days ago · 0 km deep · 13 km away
  10. 1.812 km SW of Methow, Washington · 15740 days ago · 19 km deep · 43 km away
  11. 1.640 km WSW of Twisp, Washington · 15734 days ago · 6 km deep · 79 km away
  12. 1.937 km WSW of Winthrop, Washington · 15734 days ago · 5 km deep · 83 km away
  13. 1.94 km SW of Chelan Falls, Washington · 15725 days ago · 3 km deep · 10 km away

Before

  1. 1.81 km WSW of Entiat, Washington · 15786 days ago · 4 km deep · 13 km away
  2. 2.18 km SSE of Leavenworth, Washington · 15787 days ago · 8 km deep · 45 km away
  3. 1.86 km NNW of Waterville, Washington · 15790 days ago · 3 km deep · 3 km away
  4. 2.76 km WSW of Entiat, Washington · 15810 days ago · 4 km deep · 17 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10157193. Read Tue, Sep 22, 2026, 8:58 PM UTC.