1983 Borah Peak earthquake
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The 1983 Borah Peak earthquake occurred on October 28, at 8:06:09 a.m. MDT in the western United States, in the Lost River Range at Borah Peak in central Idaho.
Borah Peak with fault scarp seen near base of tan hill in foreground
A segment of the Borah Peak earthquake fault scarp near Willow Creek
Fault scarps that outline the graben produced near Willow Creek
Crater caused by an artesian fountain
Borah Peak
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Borah Peak, also known as Mount Borah or Beauty Peak, is a mountain in the western United States and the highest summit in Idaho. One of the most prominent peaks in the contiguous United States, it is
1983 Borah Peak earthquake
…The 1983 Borah Peak earthquake occurred on October 28, at 8:06:09 a.m. MDT in the western United States, in the Lost River Range at Borah Peak in central Idaho. The shock measured 6.9 on the moment magnitude scale and had a maximum Mercalli intensity of IX (Violent). It was the most violent…
View from west in August 2009
View of Borah from the west