Washington earthquakes

M1.8 earthquake 30 km ENE of Glacier, Washington

A magnitude 1.8 earthquake struck 30 km ENE of Glacier, Washington on Sun, Jun 24, 1984, 4:08 PM PDT (23:08 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.0 3 km SSE of Swede Heaven, Washington. This one was a foreshock.

Chilliwack 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
1.8 (md), micro
Local time
UTC
1984-06-24 23:08:10 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
48.992° N, 121.563° 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 2.3 km horizontally, 2.7 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
12

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 11 in the 30 days before it.

After

  1. 2.03 km SSE of Swede Heaven, Washington · 15420 days ago · -1 km deep · 83 km away
  2. 1.93 km SSW of Swede Heaven, Washington · 15420 days ago · 2 km deep · 83 km away
  3. 2.99 km N of Lyman, Washington · 15414 days ago · 2 km deep · 56 km away
  4. 1.54 km S of Everson, Washington · 15412 days ago · 15 km deep · 59 km away
  5. 2.48 km N of Lyman, Washington · 15410 days ago · 0 km deep · 56 km away
  6. 2.231 km NE of Maple Ridge, Canada · 15405 days ago · -1 km deep · 76 km away
  7. 1.76 km SSW of Hope, Canada · 15390 days ago · -2 km deep · 39 km away
  8. 1.85 km WSW of Mount Vernon, Washington · 15390 days ago · 6 km deep · 90 km away
  9. 1.65 km SW of Mount Vernon, Washington · 15387 days ago · 7 km deep · 90 km away
  10. 1.70 km NW of Kendall, Washington · 15371 days ago · 11 km deep · 43 km away

Before

  1. 2.36 km W of Rockport, Washington · 15438 days ago · 2 km deep · 56 km away
  2. 2.25 km ENE of Bay View, Washington · 15438 days ago · 14 km deep · 82 km away
  3. 2.66 km SE of Edison, Washington · 15440 days ago · 9 km deep · 81 km away
  4. 1.64 km W of Lynden, Washington · 15444 days ago · 17 km deep · 70 km away
  5. 2.15 km N of Burlington, Washington · 15445 days ago · 15 km deep · 76 km away
  6. 1.72 km NNW of Alger, Washington · 15449 days ago · 12 km deep · 70 km away
  7. 1.65 km NW of Sedro-Woolley, Washington · 15452 days ago · 31 km deep · 73 km away
  8. 2.05 km WNW of Sedro-Woolley, Washington · 15452 days ago · 13 km deep · 75 km away
  9. 2.64 km NNW of Verlot, Washington · 15454 days ago · 14 km deep · 98 km away
  10. 1.69 km N of Hamilton, Washington · 15456 days ago · -1 km deep · 53 km away
  11. 2.211 km NNE of Hamilton, Washington · 15456 days ago · 2 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10178713. Read Tue, Sep 22, 2026, 2:46 PM UTC.