Washington earthquakes

M2.1 earthquake 3 km E of Mattawa, Washington

A magnitude 2.1 earthquake struck 3 km E of Mattawa, Washington on Sun, Jul 4, 1982, 3:57 AM PDT (10:57 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.6 20 km NW of Bickleton, 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
2.1 (md), micro
Local time
UTC
1982-07-04 10:57:12 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
46.743° N, 119.857° 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 0.5 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
48°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.115 km ENE of Nile, Washington · 16155 days ago · 6 km deep · 71 km away
  2. 1.59 km NE of Prosser, Washington · 16151 days ago · 6 km deep · 54 km away
  3. 2.318 km ESE of Royal City, Washington · 16150 days ago · 2 km deep · 34 km away
  4. 1.61 km SW of Wenatchee, Washington · 16147 days ago · 0 km deep · 83 km away
  5. 1.65 km W of Sunnyslope, Washington · 16147 days ago · 22 km deep · 92 km away
  6. 2.39 km W of Quincy, Washington · 16147 days ago · 0 km deep · 57 km away
  7. 2.620 km NW of Bickleton, Washington · 16141 days ago · 9 km deep · 84 km away
  8. 1.620 km NW of Bickleton, Washington · 16141 days ago · 2 km deep · 83 km away
  9. 1.614 km E of Warden, Washington · 16131 days ago · 4 km deep · 80 km away
  10. 2.09 km WNW of Nile, Washington · 16118 days ago · 0 km deep · 92 km away
  11. 1.86 km WSW of Nile, Washington · 16101 days ago · 6 km deep · 88 km away
  12. 2.619 km WNW of Bickleton, Washington · 16101 days ago · 2 km deep · 90 km away

Before

  1. 1.53 km NNE of Selah, Washington · 16161 days ago · 5 km deep · 51 km away
  2. 1.52 km NNE of Selah, Washington · 16165 days ago · 6 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10136188. Read Mon, Sep 28, 2026, 2:54 PM UTC.