Earthquake! - The Stage
Posted by: Groundspeak Premium Member Volcanoguy
N 44° 09.858 W 113° 52.100
12T E 270666 N 4894122
Quick Description: One of a group of three signs on the Double Springs Pass Road.
Location: Idaho, United States
Date Posted: 7/26/2011 8:45:01 PM
Waymark Code: WMC56P
Published By: Groundspeak Premium Member muddawber
Views: 3

Long Description:
The first of three signs about the Borah Peak Earthquake. The signs are located at a small interpretive site where the fault scarp from the earthquake crossed the Double Springs Pass Road. This sign is about the geologic history and why there are earthquakes here.
Marker Name: Earthquake! -- The Stage

Marker Type: Roadside

Marker Text:
Idaho is part of the world’s longest mountain chain above sea level. This chain extends from the tip of South America to Alaska’s north coast. The widest section is in the western United States -- from the Sierra Nevada to the Rocky Mountains. The Lost River Range is one of many smaller mountain ranges between the Rockies and the Sierra Nevadas. The earth’s crust between the Sierra Nevada and Rocky Mountains, including the Great Basin, is stretching about 1/2 inch per year. And, it’s getting thinner. Every so often -- a few hundred to a few thousand years -- the crust breaks along old fracture lines known as “faults.” The valleys drop and the mountains rise, creating the “Basin and Range” landscape you see from here.


County: Custer

Group Responsible for Placement: U.S. Forest Service

City: Not listed

Date Dedicated: Not listed

Marker Number: Not listed

Web link(s) for additional information: Not listed

Visit Instructions:
In your log, please say if you learned something new, and if you took any extra time to explore the area once you stopped at the historic marker waymark. If possible please post a photo of you OR your GPS at the marker location. Also if you know of any additional links not already mentioned about this bit of Idaho history please include that in your log.

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Recent Visits/Logs:
Date Logged Log User Rating  
Volcanoguy visited Earthquake! - The Stage 9/24/2010 Volcanoguy visited it