Washington earthquakes

M1.6 earthquake 5 km W of Sunnyslope, Washington

A magnitude 1.6 earthquake struck 5 km W of Sunnyslope, Washington on Wed, Jul 14, 1982, 12:07 PM PDT (19:07 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M2.3 9 km W of Quincy, 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
1.6 (md), micro
Local time
UTC
1982-07-14 19:07:08 UTC
Depth
21.5 km (13.4 mi), shallow
Epicenter
47.481° N, 120.406° 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, 1.0 km in depth
Depth from
From location
Station coverage gap
192°, 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: 8 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.39 km W of Quincy, Washington · 16148 days ago · 0 km deep · 41 km away
  2. 1.543 km WNW of Granite Falls, Washington · 16131 days ago · -1 km deep · 70 km away
  3. 1.513 km NNE of Cashmere, Washington · 16126 days ago · 5 km deep · 18 km away
  4. 2.09 km WNW of Nile, Washington · 16120 days ago · 0 km deep · 84 km away
  5. 1.86 km WSW of Nile, Washington · 16103 days ago · 6 km deep · 89 km away
  6. 1.738 km NNW of Leavenworth, Washington · 16103 days ago · 10 km deep · 59 km away
  7. 1.614 km NNE of Snoqualmie Pass, Washington · 16101 days ago · 5 km deep · 69 km away
  8. 1.628 km SW of Twisp, Washington · 16090 days ago · 0 km deep · 81 km away

Before

  1. 1.61 km SW of Wenatchee, Washington · 16149 days ago · 0 km deep · 9 km away
  2. 2.115 km ENE of Nile, Washington · 16157 days ago · 6 km deep · 71 km away
  3. 2.13 km E of Mattawa, Washington · 16159 days ago · 13 km deep · 92 km away
  4. 1.53 km NNE of Selah, Washington · 16163 days ago · 5 km deep · 89 km away
  5. 1.52 km NNE of Selah, Washington · 16166 days ago · 6 km deep · 90 km away
  6. 1.53 km WSW of Entiat, Washington · 16174 days ago · 0 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10139248. Read Wed, Sep 30, 2026, 1:10 PM UTC.