Washington earthquakes

M2.1 earthquake 2 km WSW of Lochsloy, Washington

A magnitude 2.1 earthquake struck 2 km WSW of Lochsloy, Washington on Sat, Jul 17, 1999, 5:41 PM PDT (00:41 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.1 20 km WSW of Brinnon, Washington. This one was a foreshock.

Lochsloy 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
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1999-07-18 00:41:59 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
48.044° N, 122.070° 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 0.7 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
71°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.57 km SW of Rockport, Washington · 9941 days ago · 8 km deep · 53 km away
  2. 1.75 km WSW of North Bend, Washington · 9935 days ago · 18 km deep · 64 km away
  3. 1.83 km E of Yarrow Point, Washington · 9935 days ago · 21 km deep · 45 km away
  4. 1.99 km ENE of Duvall, Washington · 9932 days ago · 4 km deep · 34 km away
  5. 2.29 km ENE of Duvall, Washington · 9932 days ago · 4 km deep · 34 km away
  6. 1.95 km ENE of Bonney Lake, Washington · 9915 days ago · 8 km deep · 94 km away
  7. 3.120 km WSW of Brinnon, Washington · 9909 days ago · 46 km deep · 93 km away
  8. 2.03 km NNW of Port Townsend, Washington · 9906 days ago · 21 km deep · 54 km away
  9. 1.54 km E of Dash Point, Washington · 9905 days ago · 22 km deep · 84 km away
  10. 1.66 km SW of Lofall, Washington · 9903 days ago · 16 km deep · 57 km away
  11. 2.08 km NNE of Lake Marcel-Stillwater, Washington · 9903 days ago · 7 km deep · 35 km away
  12. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 9900 days ago · 1 km deep · 36 km away
  13. 1.62 km WNW of Mirrormont, Washington · 9900 days ago · 17 km deep · 64 km away
  14. 2.9Olympic Peninsula, Washington · 9894 days ago · -1 km deep · 99 km away
  15. 1.88 km ENE of Duvall, Washington · 9894 days ago · 6 km deep · 34 km away
  16. 1.53 km S of Lake Roesiger, Washington · 9894 days ago · 11 km deep · 14 km away
  17. 1.88 km SSW of Sultan, Washington · 9892 days ago · 7 km deep · 32 km away
  18. 1.73 km S of Monroe, Washington · 9891 days ago · 2 km deep · 26 km away
  19. 2.23 km ESE of Indianola, Washington · 9883 days ago · 22 km deep · 46 km away

Before

  1. 1.51 km SSW of Pacific, Washington · 9941 days ago · 17 km deep · 89 km away
  2. 1.51 km SE of Brier, Washington · 9944 days ago · 19 km deep · 33 km away
  3. 1.59 km NNE of Lake Marcel-Stillwater, Washington · 9951 days ago · 7 km deep · 35 km away
  4. 1.99 km NNE of Lake Marcel-Stillwater, Washington · 9951 days ago · 5 km deep · 35 km away
  5. 3.15 km NNE of Dash Point, Washington · 9957 days ago · 27 km deep · 79 km away
  6. 2.25 km W of Lake Cavanaugh, Washington · 9963 days ago · 7 km deep · 31 km away
  7. 1.89 km W of Ault Field, Washington · 9969 days ago · 23 km deep · 64 km away
  8. 1.78 km W of Ault Field, Washington · 9969 days ago · 22 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10475393. Read Mon, Oct 5, 2026, 8:43 AM UTC.