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Large lahars hundreds of metres wide and tens of metres deep can flow several tens of metres per second (22 mph or more), much too fast for people to outrun. [9] On steep slopes, lahar speeds can exceed 200 kilometres per hour (120 mph). [9] A lahar can cause catastrophic destruction along a potential path of more than 300 kilometres (190 mi). [10]
Detailed map of Mount Rainier's summit and northeast slope showing upper perimeter of Osceola collapse amphitheater (hachured line) The Osceola Mudflow, also known as the Osceola Lahar, was a debris flow and lahar in the U.S. state of Washington that descended from the summit and northeast slope of Mount Rainier, a volcano in the Cascade Range during a period of eruptions about 5,600 years ago.
Pages in category "Lahars" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. ...
In 1991, damage to crops and property was estimated at $374 million (or $711 million today), to which continuing lahar floods added a further $69 million (or $127 million today) in 1992. In total, 42 percent of the cropland around the volcano was affected by more lahar floods, dealing a severe blow to the agricultural economy in the region. [21]
Mapanuepe lake is located at the confluence of Marella and Mapanuepe Rivers as the two rivers merge to become the Santo Tomas River. The subsequent rains following the 1991 eruption of Mount Pinatubo produced lahar that dumped volcanic debris on the Marella River, one of the major drainages of the mountain, aggrading the river that eventually dammed the Mapanuepe River.
The Trout Lake Mudflow was a lahar in the U.S. state of Washington that descended from Mount Adams about 6,000 years ago. [1] It was the largest lahar at Mount Adams since the end of the last ice age , having emplaced about 66,000,000 m 3 (2.3 × 10 9 cu ft) of mud and rock in a deposit covering more than 16 km 2 (6.2 sq mi) of the White Salmon ...
Lahar's name was written syllabically as d La-ḫa-ar or d La-ḫar, or logographically as d U 8, "ewe." [2] The name is derived from Akkadian laḫru, also meaning "ewe."[1] The same logogram, d U 8, could also be used to write the name of another deity associated with herding, Šunidug ("his hand is good") [3] as well as of his father Ga'u (Gayu), the shepherd of Sin, [2] and of the mother ...
Fresh lahar channels are visible on Ruapehu's eastern slopes, 27 March 2007. The Eastern Ruapehu Lahar Alarm and Warning System (ERLAWS) is a lahar warning system that was installed on Mount Ruapehu, New Zealand following volcanic eruptions in 1995–1996. The system successfully detected and warned of an imminent lahar in March 2007.