M2.0 earthquake 12 km S of Glacier, Washington
A magnitude 2.0 earthquake struck 12 km S of Glacier, Washington on Fri, Apr 22, 1983, 9:40 AM PST (17:40 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.5 5 km NNE of Lake McMurray, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (md), micro
- Local time
- UTC
- 1983-04-22 17:40:46 UTC
- Depth
- -1.2 km (-0.7 mi), shallow
- Epicenter
- 48.778° N, 121.913° W
- Region
- Washington
- 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 4.0 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 234°, poorly surrounded by stations
- Stations used
- 3
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 14 in the 30 days before it.
After
- 2.55 km NNE of Lake McMurray, Washington · 15855 days ago · 17 km deep · 51 km away
- 1.85 km NE of Lake McMurray, Washington · 15855 days ago · 15 km deep · 51 km away
- 1.95 km NE of Lake McMurray, Washington · 15854 days ago · 16 km deep · 51 km away
- 2.017 km ESE of Darrington, Washington · 15853 days ago · 2 km deep · 75 km away
- 2.014 km NNE of May Creek, Washington · 15852 days ago · 12 km deep · 94 km away
- 1.55 km NNE of Woods Creek, Washington · 15851 days ago · 14 km deep · 95 km away
- 1.99 km NNE of Sedro-Woolley, Washington · 15850 days ago · 15 km deep · 30 km away
- 2.96 km WSW of Lake Cavanaugh, Washington · 15847 days ago · 8 km deep · 54 km away
- 2.111 km NW of Orcas, Washington · 15832 days ago · 57 km deep · 84 km away
- 1.51 km W of Machias, Washington · 15831 days ago · 2 km deep · 89 km away
- 2.320 km SSE of Marblemount, Washington · 15826 days ago · 0 km deep · 64 km away
- 1.911 km NW of Coupeville, Washington · 15819 days ago · 21 km deep · 86 km away
- 2.14 km NE of Lake Roesiger, Washington · 15815 days ago · 14 km deep · 86 km away
- 2.03 km NE of Lake Roesiger, Washington · 15815 days ago · 14 km deep · 86 km away
- 1.64 km N of Bryant, Washington · 15812 days ago · 16 km deep · 58 km away
- 1.87 km NW of Orcas, Washington · 15808 days ago · 15 km deep · 83 km away
- 1.65 km E of Ault Field, Washington · 15805 days ago · 23 km deep · 70 km away
- 2.010 km NW of Concrete, Washington · 15805 days ago · 0 km deep · 19 km away
- 2.15 km S of Lake Roesiger, Washington · 15801 days ago · 15 km deep · 94 km away
Before
- 2.23 km S of Bay View, Washington · 15859 days ago · 11 km deep · 55 km away
- 1.94 km NE of Camano, Washington · 15861 days ago · 22 km deep · 77 km away
- 2.18 km WSW of White Rock, Canada · 15862 days ago · 15 km deep · 75 km away
- 1.719 km NW of Orcas, Washington · 15863 days ago · 56 km deep · 87 km away
- 1.810 km S of Darrington, Washington · 15865 days ago · 7 km deep · 73 km away
- 2.255 km SSW of Princeton, Canada · 15868 days ago · -1 km deep · 85 km away
- 1.73 km SSE of Pitt Meadows, Canada · 15869 days ago · 2 km deep · 72 km away
- 1.76 km S of Anacortes, Washington · 15872 days ago · 24 km deep · 63 km away
- 1.82 km NNW of Lake Roesiger, Washington · 15874 days ago · 3 km deep · 86 km away
- 2.715 km NW of Port Townsend, Washington · 15875 days ago · 42 km deep · 96 km away
- 1.93 km NW of Rockport, Washington · 15877 days ago · -1 km deep · 37 km away
- 1.71 km S of Bay View, Washington · 15877 days ago · 16 km deep · 54 km away
- 2.33 km WNW of La Conner, Washington · 15884 days ago · 18 km deep · 63 km away
- 2.25 km WNW of Orcas, Washington · 15887 days ago · 15 km deep · 83 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10163668. Read Tue, Sep 22, 2026, 4:11 PM UTC.