Washington earthquakes

M1.9 earthquake 4 km NE of Alger, Washington

A magnitude 1.9 earthquake struck 4 km NE of Alger, Washington on Sat, Mar 13, 1976, 2:21 PM PST (22:21 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.7 2 km SW of Mountlake Terrace, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1976-03-13 22:21:42 UTC
Depth
13.3 km (8.2 mi), shallow
Epicenter
48.647° N, 122.297° 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 1.9 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
147°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.50 km NE of Lynnwood, Washington · 18452 days ago · 18 km deep · 91 km away
  2. 1.61 km ENE of Everett, Washington · 18437 days ago · 21 km deep · 74 km away
  3. 1.50 km SSW of Lynnwood, Washington · 18436 days ago · 4 km deep · 92 km away
  4. 1.67 km WSW of Camano, Washington · 18424 days ago · 28 km deep · 61 km away
  5. 1.76 km NW of Orcas, Washington · 18420 days ago · 15 km deep · 52 km away
  6. 2.72 km SW of Mountlake Terrace, Washington · 18410 days ago · 27 km deep · 97 km away
  7. 1.96 km NW of Sedro-Woolley, Washington · 18410 days ago · -1 km deep · 11 km away
  8. 2.01 km SE of Esperance, Washington · 18410 days ago · 19 km deep · 97 km away
  9. 1.61 km SSW of Mountlake Terrace, Washington · 18410 days ago · 23 km deep · 97 km away
  10. 1.51 km E of Lake Roesiger, Washington · 18409 days ago · 0 km deep · 79 km away
  11. 1.61 km NE of Edmonds, Washington · 18409 days ago · 5 km deep · 92 km away
  12. 2.16 km NW of Orcas, Washington · 18403 days ago · 17 km deep · 52 km away
  13. 2.48 km NNE of Marrowstone, Washington · 18403 days ago · 53 km deep · 64 km away
  14. 2.414 km WNW of Orcas, Washington · 18402 days ago · 14 km deep · 61 km away

Before

  1. 2.05 km W of Orcas, Washington · 18459 days ago · 10 km deep · 53 km away
  2. 1.7Washington · 18468 days ago · 13 km deep · 44 km away
  3. 2.53 km W of Monroe, Washington · 18476 days ago · 24 km deep · 90 km away
  4. 1.84 km NNE of Aldergrove East, Canada · 18478 days ago · 3 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840858. Read Tue, Sep 22, 2026, 9:43 PM UTC.