Washington earthquakes

M2.3 earthquake 1 km E of Silverdale, Washington

A magnitude 2.3 earthquake struck 1 km E of Silverdale, Washington on Sun, Mar 14, 1971, 10:28 PM PST (06:28 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.7 0 km WNW of Burley, Washington. This one was a foreshock.

Silverdale 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
2.3 (md), micro
Local time
UTC
1971-03-15 06:28:30 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
47.644° N, 122.678° 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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
135°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.13 km NE of Dash Point, Washington · 20279 days ago · 11 km deep · 40 km away
  2. 1.812 km ENE of Enumclaw, Washington · 20270 days ago · 22 km deep · 78 km away
  3. 2.70 km WNW of Burley, Washington · 20264 days ago · 41 km deep · 25 km away
  4. 3.27 km SSW of Brinnon, Washington · 20261 days ago · 14 km deep · 19 km away
  5. 2.10 km SSW of Woodinville, Washington · 20256 days ago · 21 km deep · 40 km away
  6. 2.01 km WNW of Burien, Washington · 20252 days ago · 26 km deep · 30 km away
  7. 2.69 km NE of May Creek, Washington · 20244 days ago · 11 km deep · 88 km away
  8. 2.815 km N of Index, Washington · 20243 days ago · 11 km deep · 93 km away
  9. 1.68 km WNW of Gorst, Washington · 20240 days ago · 14 km deep · 15 km away
  10. 2.16 km NNE of Snoqualmie, Washington · 20235 days ago · 12 km deep · 67 km away
  11. 2.02 km SW of Cottage Lake, Washington · 20228 days ago · 19 km deep · 44 km away
  12. 2.84 km NE of Duvall, Washington · 20224 days ago · 19 km deep · 56 km away

Before

  1. 2.43 km ESE of Key Center, Washington · 20289 days ago · 23 km deep · 35 km away
  2. 1.811 km E of Ravensdale, Washington · 20300 days ago · 67 km deep · 71 km away
  3. 2.23 km NNW of Cottage Lake, Washington · 20302 days ago · 8 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10838708. Read Tue, Sep 22, 2026, 6:14 AM UTC.