Washington earthquakes

M1.8 earthquake 9 km W of Easton, Washington

A magnitude 1.8 earthquake struck 9 km W of Easton, Washington on Mon, Oct 17, 2005, 10:22 AM PDT (17:22 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.4 Washington. This one was a foreshock.

Roslyn 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-10-17 17:22:09 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
47.231° N, 121.307° 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 0.1 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
49°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.84 km NNE of Yakima, Washington · 7644 days ago · -1 km deep · 91 km away
  2. 1.56 km ESE of Enumclaw, Washington · 7637 days ago · 23 km deep · 47 km away
  3. 1.54 km ENE of Lake Roesiger, Washington · 7634 days ago · 13 km deep · 96 km away
  4. 2.12 km WNW of Tacoma, Washington · 7634 days ago · 12 km deep · 88 km away
  5. 1.86 km SW of Wilderness Rim, Washington · 7621 days ago · 20 km deep · 44 km away
  6. 1.816 km ENE of Kittitas, Washington · 7619 days ago · 0 km deep · 85 km away
  7. 1.752 km NE of Skykomish, Washington · 7618 days ago · 7 km deep · 99 km away
  8. 2.4Washington · 7616 days ago · -1 km deep · 83 km away
  9. 1.83 km ESE of Snohomish, Washington · 7615 days ago · 26 km deep · 93 km away
  10. 2.05 km WSW of Wilderness Rim, Washington · 7613 days ago · 20 km deep · 46 km away
  11. 1.81 km NNE of Bellevue, Washington · 7603 days ago · 29 km deep · 79 km away
  12. 2.31 km WNW of Issaquah, Washington · 7597 days ago · 18 km deep · 65 km away
  13. 1.83 km NNE of Lake Roesiger, Washington · 7596 days ago · 14 km deep · 98 km away
  14. 1.63 km NE of Lake Roesiger, Washington · 7596 days ago · 14 km deep · 97 km away
  15. 1.53 km NE of Lake Roesiger, Washington · 7596 days ago · 12 km deep · 97 km away

Before

  1. 2.3Washington · 7661 days ago · 17 km deep · 39 km away
  2. 1.89 km WSW of Entiat, Washington · 7663 days ago · 2 km deep · 87 km away
  3. 2.617 km NW of Leavenworth, Washington · 7675 days ago · 4 km deep · 62 km away
  4. 1.65 km WSW of Snoqualmie, Washington · 7679 days ago · 8 km deep · 54 km away
  5. 1.512 km NE of Snoqualmie, Washington · 7681 days ago · 6 km deep · 52 km away
  6. 1.83 km E of Dash Point, Washington · 7685 days ago · 22 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10683058. Read Fri, Oct 2, 2026, 6:13 PM UTC.