![]() The Army Corps of Engineers, in a race against time, blasted a channel through the landslide, allowing the Madison River to resume its flows before a catastrophic flood would have happened if the newly formed lake had crested over the landslide. ![]() The Madison River below the landslide dried up completely for a time, resulting in significant fish kill. The result of the quake is that twenty-eight people died from the landslide and five more died from the resulting flood. Three different sections of Highway 287 slid into the newly formed lake and numerous cabins along the former Madison River were damaged or completely destroyed. ![]() The landslide also caused tornado force winds that fanned out in front of the landslide and flood, destroying most everything in its path. Additionally, the north shore of Hebgen Lake, which lies just upstream, dropped an amazing 19 feet, cracking Hebgen Dam in four places and creating massive waves on the lake that spilled over the dam and raced downstream in a massive flood. The earthquake was so strong that it triggered a massive landslide on Sheep Mountain, on the western end of Madison Canyon (nine miles downstream from Hebgen Dam), which blocked the Madison River completely. Quake Lake was formed when an earthquake measuring 7.5 on the Richter Scale rocked this part of Montana on August 17th, 1959. More on Wikipedia.Quake Lake, also called Earthquake Lake, is one of the more interesting natural features in Montana. The lake is mostly within Gallatin National Forest. Route 287 follows the lake and offers glimpses of the effects of the earthquake and landslide, and a visitor center is just off the road. Northwest of West Yellowstone, Quake Lake is six miles (10 km) in length with a maximum depth of 125 feet (38 m). It was created after an earthquake struck on August 17, 1959, with 28 fatalities. Quake Lake (officially Earthquake Lake) is a lake in the western United States, on the Madison River in southwestern Montana. Have more questions about the Nautical Chart App? Ask us. Now i-Boating supports Fishing Points in Quake Lake. Autopilot support can be enabled during ‘Goto WayPoint’ and ‘Route Assistance’. ![]() Lake navigation features include advanced instrumentation to gather wind speed direction, water temperature, water depth, and accurate GPS with AIS receivers(using NMEA over TCP/UDP). Fishing spots and depth contours layers are available in most Lake maps. ![]() The Quake Lake Navigation App provides advanced features of a Marine Chartplotter including adjusting water level offset and custom depth shading. The fishing maps app include HD lake depth contours, along with advanced features found in Fish Finder / Gps Chart Plotter systems, turning your device into a Depth Finder. With our Lake Maps App, you get all the great marine chart app features like fishing spots, along with Quake Lake depth map. Quake Lake fishing map is available as part of iBoating : USA Marine & Fishing App(now supported on multiple platforms including Android, iPhone/iPad, MacBook, and Windows(tablet and phone)/PC based chartplotter.). ![]()
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