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Roaring Brook on Giant Mountain in the Adirondacks holds a special place in my heart because it was the site (a bit further upstream) of my first geology research project, undertaken as an undergrad at Colgate University. The falls occur where the hanging valley of Roaring Brook joins the main valley of the Auasble Ri...
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- 865
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- 100
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- The Mount St. Helens National Volcanic Monument from the Johnston Ridge Observatory, Oct 21, 2010 by Gavin Farrell
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The Johnston Ridge Observatory sits on a bluff just 5-1/2 miles from the crater at an elevation of 4,314'/1,327m and offers grand views of Mount St. Helens and much of the 1980 blast zone. Here you can enjoy spectacular views of the lava dome, crater, pumice plain and the landslide deposit.
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This is a "doomed" outcrop of the Miocene-aged (~14 Ma) Calvert Formation on the western shore of Chesapeake Bay. "Bed 14," a distinctive fossiliferous unit, is exposed here thanks to the effort of one of the local landowners. In a month or two, this entire outcrop will be permanently covered with "hard stabilization" ...
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- 779
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- 10
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On or about June 23, 1925 about 38 million cubic meters of rocks and debris slid northward off of Sheep Mountain and into the valley of the Gros Ventre River, forming an impoundment that now holds back Lower Slide Lake. Almost two years later a portion of this landslide dam failed and the resulting flood wiped out the...
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- 7149
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On August 17, 1959 the M7.5 Hebgen Lake Earthquake triggered a massive landslide that blocked the drainage of the Madison River and formed the modern day Quake Lake. This 360 degree panorama is shot from atop the landslide deposit. To the south one can see the landslide scar on the facing ridge. All around the camer...
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The last sunlight of the day illuminates the upper slopes of the Madison Landslide scar. Quake Lake is in the foreground, it's skeletal trees a testament to the deadly night fifty years ago.
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On the drive from Hays, Kansas to Dinosaur National Monument, Douglas Pass is definitely one of the high points (pun intended). The Fort Hays State University Geology Summer Field Camp makes a stop here each summer to observe the landslide activity (at left) and the strata of the Eocene Green River Formation exposed ...
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- 4011
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A relatively large landslide complex in SE Oregon. It is comprised of two major landslide features that originate from a single, broad source area. In map view it looks very much like a molar tooth with two roots extending to the Owyhee River. Each of the two slides have prominent rotational slump block components ne...
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- 3540
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The Kozushima Island located in the 180km south of Tokyo, and it is a volcanic island of 18 square km. This island is covered to the thick rhyolite lava and pyroclastic flow deposits that a lot of small volcanoes erupted. A representative volcano of Kozushima Island is the Tenjyousan volcano, and it is about 570m above...
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- 2051
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- 1
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The Frank Slide is a natural landslide on the northeasterly face of Turtle Mountain in southwest Alberta, Canada. On April 29, 1903, 30 million cubic meters of rock tumbled down to the valley floor, burying much of the small town of Frank, and killing 76 people. For further information, visit the website of the Fran...
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- 1878
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