Earthquake Lake - Places of Geologic Significance on Waymarking.com

Today, Quake Lake is 190 feet (58 m) deep and six miles (10 km) long. The earthquake measured 7.5 on the Richter scale and caused an 80 million ton landslide which dammed the Madison River. The landslide roared down the south flank of Sheep Mountain, at an estimated 100 miles per hour, killing 28 people who were camping along the shores of Hebgen Lake and downstream along the Madison River. Upstream the faulting caused by the earthquake forced the waters of Hebgen Lake to shift violently. A seiche, a wave effect of both wind and water, crested over Hebgen Dam,causing cracks and erosion. The earthquake is the largest known to have struck the state of Montana in recorded history. The earthquake created fault scarps up to 20 feet high in the area near Hebgen lake and the lake bottom itself dropped the same distance. 32,000 acres of the area near Hebgen Lake subsided more than 10 feet. Several geysers in the northwestern sections in Yellowstone National Park erupted and numerous hot springs became temporarily muddied. E-mail me the approximate diameter of one of the solid rock formations that traveled from the other side intact. Share a photo as well. The Visitor Center is located 27 miles northwest of West Yellowstone, Montana on Highway 287. The center provides a panoramic view of the mountain that fell and the lake that was formed. It features exhibits on geology, earthquakes, interpretive talks, and videos. The center is open daily 8:30 am to 6:00 pm from Memorial Day to mid-September. Under the Recreation Fee Demonstration Project, visitors to the center are charged $3.00 per car, $15.00 per tour bus, or $1.00 per hiker or biker. All federal "Golden" passports are honored for admission and are also for sale at the Visitor Center.
Go to geocaching.com to find GC115DH.

Waymark is confirmed to be publicly accessible: yes Parking Coordinates: N 44° 49.860 W 111° 25.535 Access fee (In local currency): 3.00 Requires a high clearance vehicle to visit.: no Requires 4x4 vehicle to visit.: no Public Transport available: no Website reference: [Web Link]

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