Washington earthquakes

M1.6 earthquake 20 km NW of Bickleton, Washington

A magnitude 1.6 earthquake struck 20 km NW of Bickleton, Washington on Tue, Jul 20, 1982, 10:17 AM PDT (17:17 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 9 km WNW of Nile, Washington. This one was a foreshock.

Satus 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
1982-07-20 17:17:46 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
46.129° N, 120.479° 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 0.9 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
105°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.09 km WNW of Nile, Washington · 16112 days ago · 0 km deep · 92 km away
  2. 2.016 km SW of Ione, Oregon · 16105 days ago · 28 km deep · 89 km away
  3. 2.423 km ESE of Packwood, Washington · 16096 days ago · 0 km deep · 82 km away
  4. 1.86 km WSW of Nile, Washington · 16095 days ago · 6 km deep · 84 km away
  5. 1.723 km ESE of Packwood, Washington · 16095 days ago · 2 km deep · 82 km away
  6. 2.619 km WNW of Bickleton, Washington · 16094 days ago · 2 km deep · 7 km away
  7. 2.222 km ESE of Packwood, Washington · 16087 days ago · 0 km deep · 84 km away

Before

  1. 2.620 km NW of Bickleton, Washington · 16135 days ago · 9 km deep · 1 km away
  2. 2.923 km ESE of Packwood, Washington · 16137 days ago · 6 km deep · 82 km away
  3. 1.924 km ESE of Packwood, Washington · 16144 days ago · -1 km deep · 81 km away
  4. 1.59 km NE of Prosser, Washington · 16145 days ago · 6 km deep · 62 km away
  5. 2.115 km ENE of Nile, Washington · 16149 days ago · 6 km deep · 87 km away
  6. 2.13 km E of Mattawa, Washington · 16151 days ago · 13 km deep · 83 km away
  7. 1.53 km NNE of Selah, Washington · 16155 days ago · 5 km deep · 62 km away
  8. 1.52 km NNE of Selah, Washington · 16158 days ago · 6 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10140753. Read Tue, Sep 22, 2026, 1:27 PM UTC.