Washington earthquakes

M1.6 earthquake 3 km NE of Snoqualmie, Washington

A magnitude 1.6 earthquake struck 3 km NE of Snoqualmie, Washington on Sun, Nov 7, 1999, 2:54 PM PST (22:54 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.5 2 km SW of Monroe North, Washington. This one was a foreshock.

Snoqualmie forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1999-11-07 22:54:51 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
47.547° N, 121.791° 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, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
38°
Stations used
38

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. 2.52 km SW of Monroe North, Washington · 9816 days ago · 19 km deep · 39 km away
  2. 1.826 km NNE of Index, Washington · 9815 days ago · 5 km deep · 62 km away
  3. 2.06 km SSE of Vashon, Washington · 9804 days ago · 18 km deep · 51 km away
  4. 1.93 km ENE of Monroe North, Washington · 9799 days ago · 16 km deep · 41 km away
  5. 2.113 km W of Greenwater, Washington · 9796 days ago · 14 km deep · 43 km away
  6. 2.2Washington · 9782 days ago · 17 km deep · 43 km away
  7. 1.92 km NNE of Bonney Lake, Washington · 9781 days ago · 14 km deep · 48 km away
  8. 2.019 km NNE of Ashford, Washington · 9778 days ago · 12 km deep · 71 km away
  9. 1.614 km SSE of Carbonado, Washington · 9776 days ago · 12 km deep · 66 km away
  10. 1.83 km W of Freeland, Washington · 9772 days ago · 50 km deep · 78 km away

Before

  1. 1.714 km NNE of Ashford, Washington · 9832 days ago · 9 km deep · 76 km away
  2. 1.51 km WNW of Lea Hill, Washington · 9839 days ago · 63 km deep · 39 km away
  3. 1.610 km NE of Snoqualmie, Washington · 9839 days ago · 14 km deep · 7 km away
  4. 1.64 km NE of North Bend, Washington · 9840 days ago · 16 km deep · 4 km away
  5. 1.63 km NE of Woods Creek, Washington · 9842 days ago · -1 km deep · 39 km away
  6. 1.71 km NNE of Bothell, Washington · 9845 days ago · 27 km deep · 40 km away
  7. 1.721 km ENE of Ashford, Washington · 9848 days ago · 0 km deep · 78 km away
  8. 2.120 km ENE of Ashford, Washington · 9853 days ago · -2 km deep · 79 km away
  9. 1.610 km N of Thorp, Washington · 9853 days ago · 3 km deep · 95 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10483563. Read Thu, Oct 1, 2026, 7:24 PM UTC.