Washington earthquakes

M1.7 earthquake 2 km SSE of Maplewood, Washington

A magnitude 1.7 earthquake struck 2 km SSE of Maplewood, Washington on Tue, Oct 6, 1981, 5:40 AM PDT (12:40 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M1.9 5 km SSE of Mineral, 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
1.7 (md), micro
Local time
UTC
1981-10-06 12:40:06 UTC
Depth
19.3 km (12.0 mi), shallow
Epicenter
47.383° N, 122.542° 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, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
44°
Stations used
28

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. 1.95 km SSE of Mineral, Washington · 16415 days ago · 19 km deep · 85 km away
  2. 1.64 km SSE of Hobart, Washington · 16409 days ago · 9 km deep · 45 km away
  3. 1.92 km WSW of Wilderness Rim, Washington · 16397 days ago · 18 km deep · 56 km away
  4. 1.51 km E of White Center, Washington · 16386 days ago · 22 km deep · 21 km away
  5. 3.75 km SW of Clinton, Washington · 16385 days ago · 26 km deep · 63 km away
  6. 1.78 km SE of Mineral, Washington · 16382 days ago · 18 km deep · 87 km away
  7. 1.525 km ENE of Ashford, Washington · 16372 days ago · -1 km deep · 84 km away
  8. 3.54 km NNE of Tracyton, Washington · 16372 days ago · 21 km deep · 30 km away
  9. 1.823 km NNW of Hoodsport, Washington · 16365 days ago · 46 km deep · 60 km away
  10. 1.91 km SE of Lake Stevens, Washington · 16364 days ago · 0 km deep · 79 km away

Before

  1. 1.82 km ENE of Indianola, Washington · 16425 days ago · 22 km deep · 41 km away
  2. 1.93 km ENE of Union Hill-Novelty Hill, Washington · 16426 days ago · 6 km deep · 54 km away
  3. 1.82 km S of Mercer Island, Washington · 16430 days ago · 0 km deep · 30 km away
  4. 1.91 km S of Hobart, Washington · 16431 days ago · 1 km deep · 43 km away
  5. 1.73 km ENE of Union Hill-Novelty Hill, Washington · 16434 days ago · -1 km deep · 54 km away
  6. 1.62 km SSW of Parkland, Washington · 16444 days ago · 53 km deep · 28 km away
  7. 1.518 km NNE of Ashford, Washington · 16446 days ago · 9 km deep · 69 km away
  8. 2.44 km WSW of Chico, Washington · 16449 days ago · 13 km deep · 28 km away
  9. 1.521 km NE of Ashford, Washington · 16452 days ago · 6 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10121333. Read Wed, Sep 23, 2026, 1:55 AM UTC.