Washington earthquakes

M2.0 earthquake 0 km S of Sudden Valley, Washington

A magnitude 2.0 earthquake struck 0 km S of Sudden Valley, Washington on Sun, Sep 2, 1990, 7:35 AM PDT (14:35 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.6 21 km ESE of Darrington, Washington. This one was a foreshock.

Sudden Valley 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
2.0 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-09-02 14:35:23 UTC
Depth
14.7 km (9.1 mi), shallow
Epicenter
48.722° N, 122.347° 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, 0.2 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
50°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.46 km W of Lake Cavanaugh, Washington · 13178 days ago · 8 km deep · 48 km away
  2. 1.55 km ENE of Deming, Washington · 13176 days ago · 13 km deep · 20 km away
  3. 1.924 km NNW of Chilliwack, Canada · 13170 days ago · 2 km deep · 73 km away
  4. 2.117 km S of Glacier, Washington · 13165 days ago · -1 km deep · 30 km away
  5. 2.0Washington · 13164 days ago · -1 km deep · 30 km away
  6. 1.64 km NE of Ferndale, Washington · 13163 days ago · 14 km deep · 22 km away
  7. 1.75 km E of Deming, Washington · 13158 days ago · 13 km deep · 19 km away
  8. 2.621 km ESE of Darrington, Washington · 13148 days ago · 0 km deep · 94 km away
  9. 1.57 km N of Port Townsend, Washington · 13134 days ago · 25 km deep · 68 km away

Before

  1. 1.75 km E of Deming, Washington · 13195 days ago · 4 km deep · 19 km away
  2. 1.65 km NE of Bryant, Washington · 13195 days ago · 11 km deep · 52 km away
  3. 1.86 km NE of Deming, Washington · 13196 days ago · 13 km deep · 21 km away
  4. 1.620 km NW of Orcas, Washington · 13197 days ago · 54 km deep · 56 km away
  5. 2.13 km ESE of Deming, Washington · 13197 days ago · 1 km deep · 17 km away
  6. 1.87 km SSE of Darrington, Washington · 13198 days ago · 4 km deep · 83 km away
  7. 1.73 km E of Granite Falls, Washington · 13198 days ago · 0 km deep · 77 km away
  8. 2.531 km NNW of Agassiz, Canada · 13201 days ago · -2 km deep · 91 km away
  9. 1.54 km SSW of Kendall, Washington · 13204 days ago · 0 km deep · 22 km away
  10. 1.821 km NNE of Mission, Canada · 13206 days ago · 8 km deep · 67 km away
  11. 2.42 km SW of Ault Field, Washington · 13209 days ago · 21 km deep · 52 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10260248. Read Fri, Oct 2, 2026, 4:05 PM UTC.