Marker Logo HMdb.org THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”
Near Mackay in Custer County, Idaho — The American West (Mountains)
 

Earthquake! - The Results

 
 
Earthquake! - The Results Marker image. Click for full size.
By Barry Swackhamer, June 25, 2017
1. Earthquake! - The Results Marker
Inscription. The scarp before you extends for 21 miles, paralleling the mountain front. In some places, multiple scarps formed.
Ground motion, or “ground roll,” did $15,000,000 damage to roads and buildings in the Challis and Mackay areas.
Boulders tumbled down mountains. Some struck homes around Challis 35 miles north.
New springs - and craters called “sand boils” - erupted in the valley. The largest deluge of water ever recorded after an earthquake in the United States - some 400 billion gallons - gushed forth.

We know that identical earthquakes rocked this area in the past - as recently as a few thousand years ago. It will happen again! Scientist cannot say exactly when, but Borah Peak and Thousand Springs Valley will certainly slide further apart as more earthquakes rumble along this fault system.

For more information, stop at National Forest offices in Mackay and Challis
 
Erected by Challis National Forest.
 
Location. 44° 9.84′ N, 113° 52.08′ W. Marker is near Mackay, Idaho, in Custer County. Marker can be reached from Doublespring Pass Road (Forest Road 116) near Forest Road 679, on the left when traveling east. Touch for map. Marker is in this post office area: Mackay ID 83251, United States of America.
 
Other nearby markers.
Earthquake! - The Results Marker image. Click for full size.
By Barry Swackhamer, June 25, 2017
2. Earthquake! - The Results Marker
At least 5 other markers are within 13 miles of this marker, measured as the crow flies. Earthquake! - The Event (a few steps from this marker); Earthquake! - The Stage (within shouting distance of this marker); Earthquakes (approx. 2 miles away); Mount Borah (approx. 2 miles away); Goodin's River (approx. 12.8 miles away).
 
Regarding Earthquake! - The Results. This marker is located at a geologic exhibit about 2 1/2 miles on a gravel road from US Highway 93.
 
Categories. DisastersNatural Features
 
The Earthquake Fault and Exhibit Area image. Click for full size.
By Google maps
3. The Earthquake Fault and Exhibit Area
Click on the image to enlarge it.
 
 
Credits. This page was last revised on November 7, 2017. This page originally submitted on November 7, 2017, by Barry Swackhamer of San Jose, California. This page has been viewed 57 times since then. Photos:   1, 2, 3. submitted on November 7, 2017, by Barry Swackhamer of San Jose, California.
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