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Major
M
6.9
The 1983 Borah Peak Earthquake, Idaho
Historical event · Fri, 28 Oct 1983 14:06:06 GMT
Peak Ground Motion
MMI 8.5
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Depth
10 km
Time (UTC)
14:06
Date
1983-10-28
Latitude
44.058°
Longitude
-113.857°
Source
USGS
View official report
M6.9 · The 1983 Borah Peak Earthquake, Idaho · Was That A Quake?