Washington earthquakes

M1.9 earthquake Washington

A magnitude 1.9 earthquake struck in Washington on Thu, Mar 15, 1984, 6:24 PM PST (02:24 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.0 1 km W of Wilkeson, Washington. This one was a foreshock.

Tieton 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
1.9 (md), micro
Local time
UTC
1984-03-16 02:24:33 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
46.730° N, 121.020° 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 0.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
92°
Stations used
26

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 14 in the 30 days before it.

After

  1. 1.511 km ESE of Tanner, Washington · 15528 days ago · 12 km deep · 90 km away
  2. 2.01 km W of Wilkeson, Washington · 15525 days ago · 5 km deep · 90 km away
  3. 1.77 km SW of South Cle Elum, Washington · 15523 days ago · 8 km deep · 45 km away
  4. 2.023 km ENE of Ashford, Washington · 15521 days ago · 4 km deep · 58 km away
  5. 2.016 km SE of Carbonado, Washington · 15507 days ago · 7 km deep · 73 km away
  6. 1.85 km SSE of Carbonado, Washington · 15506 days ago · 4 km deep · 83 km away
  7. 2.014 km E of Tanner, Washington · 15500 days ago · 15 km deep · 92 km away
  8. 2.111 km E of Kittitas, Washington · 15495 days ago · 0 km deep · 64 km away
  9. 2.08 km SSE of Leavenworth, Washington · 15493 days ago · 0 km deep · 93 km away
  10. 1.72 km NW of Tieton, Washington · 15488 days ago · 12 km deep · 19 km away
  11. 1.615 km E of Wilkeson, Washington · 15488 days ago · 6 km deep · 75 km away
  12. 1.88 km E of Ashford, Washington · 15484 days ago · 13 km deep · 69 km away
  13. 2.012 km S of Morton, Washington · 15479 days ago · 7 km deep · 100 km away
  14. 1.78 km SE of Buckley, Washington · 15475 days ago · 1 km deep · 82 km away

Before

  1. 1.9Washington · 15531 days ago · -1 km deep · 37 km away
  2. 1.68 km E of Wilkeson, Washington · 15532 days ago · 9 km deep · 81 km away
  3. 1.616 km SW of Snoqualmie Pass, Washington · 15535 days ago · 6 km deep · 77 km away
  4. 2.04 km SSE of Wilderness Rim, Washington · 15537 days ago · 18 km deep · 94 km away
  5. 1.515 km SW of Snoqualmie Pass, Washington · 15537 days ago · 6 km deep · 77 km away
  6. 1.84 km NE of Tampico, Washington · 15537 days ago · 3 km deep · 24 km away
  7. 1.81 km WSW of Selah, Washington · 15539 days ago · 5 km deep · 37 km away
  8. 1.614 km SSE of Kittitas, Washington · 15539 days ago · 0 km deep · 53 km away
  9. 1.511 km NNE of Ashford, Washington · 15540 days ago · 11 km deep · 72 km away
  10. 1.612 km ENE of Naches, Washington · 15550 days ago · 8 km deep · 36 km away
  11. 1.92 km WSW of Wilderness Rim, Washington · 15555 days ago · 19 km deep · 98 km away
  12. 2.32 km WSW of Wilderness Rim, Washington · 15556 days ago · 18 km deep · 98 km away
  13. 2.38 km SSE of Leavenworth, Washington · 15557 days ago · 6 km deep · 93 km away
  14. 1.64 km W of South Wenatchee, Washington · 15559 days ago · 3 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10174433. Read Tue, Sep 22, 2026, 3:44 PM UTC.