Lahar
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A lahar is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris and water. The material flows down from a volcano, typically along a river valley.
A lahar travels down a river valley in Guatemala near the Santa María volcano, 1989
Excavated 9th century Sambisari Hindu temple near Yogyakarta in Java, Indonesia. The temple was buried 6.5 metres under the lahar volcanic debris accumulated from centuries of Mount Merapi eruptions.
The aftermath of a lahar from the 1982 eruption of Galunggung, Indonesia
The lahar from the 1985 eruption of Nevado del Ruiz that wiped out the town of Armero in Colombia
Mount Rainier
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Mount Rainier, also known as Tahoma, is a large, active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about 5
Lahar
…pauses in activity or during dormancy. In addition to their variable rheology, lahars vary considerably in magnitude. The Osceola Lahar produced by Mount Rainier in modern-day Washington some 5600 years ago resulted in a wall of mud 140 metres (460 ft) deep in the White River canyon and covered an area of over…
Mount Rainier's northwestern slope viewed aerially just before sunset on September 6, 2020
Mount Rainier seen from the International Space Station
West face of Mount Rainier from an aircraft
A panorama of the northeast face of Mount Rainier