Global Volcanism Program | Image Collection | Hazards and Processes | Lahars
Global Volcanism Program | Image Collection | Hazards and Processes | Lahars
Oct 16, 2020
si.edu
Volcanic Processes—Lahars (U.S. National Park Service)
7:34
Volcanic Processes—Lahars (U.S. National Park Service)
Oct 14, 2020
nps.gov
Lahars – The Most Threatening Volcanic Hazard in the Cascades
Lahars – The Most Threatening Volcanic Hazard in the Cascades
Dec 7, 2023
usgs.gov
Mount Rainier Lahars: Hazards for the Puyallup and Nisqually River Drainages
6:20
Mount Rainier Lahars: Hazards for the Puyallup and Nisqually River Drainages
Apr 26, 2022
usgs.gov
Fast-moving lahars are now racing down several slopes of Mount Semeru after a secondary eruption earlier today, Nov. 23, 2025. Witnesses report ground vibration, deep atmospheric sound, and rapid volcanic mudflows carrying ash, rocks, and debris at dangerous speeds. Authorities are monitoring conditions closely as lahar channels continue to fill. If you live near rivers or drainage paths around Semeru — stay alert, stay prepared, and prioritize safety. 🙏🌋 #Semeru #SemeruEruption #Indonesia #Vo
0:15
Fast-moving lahars are now racing down several slopes of Mount Semeru after a secondary eruption earlier today, Nov. 23, 2025. Witnesses report ground vibration, deep atmospheric sound, and rapid volcanic mudflows carrying ash, rocks, and debris at dangerous speeds. Authorities are monitoring conditions closely as lahar channels continue to fill. If you live near rivers or drainage paths around Semeru — stay alert, stay prepared, and prioritize safety. 🙏🌋 #Semeru #SemeruEruption #Indonesia #Vo
73.4K views5 months ago
FacebookJoemar Sombero
#Lahars are floods of water, rock, ash and debris that can happen during and after volcanic eruptions. Lahars can be immensely powerful, destroying bridges and buildings, and traveling great distances to bury vast areas in mud. If you live in a valley or on a flood plain near a volcano, you should be aware of the potential for lahars. If you hear a rumbling from upriver or notice the water levels rising, move to high ground immediately. This video is part of the #VolFilm volcano hazards series.
3:09
#Lahars are floods of water, rock, ash and debris that can happen during and after volcanic eruptions. Lahars can be immensely powerful, destroying bridges and buildings, and traveling great distances to bury vast areas in mud. If you live in a valley or on a flood plain near a volcano, you should be aware of the potential for lahars. If you hear a rumbling from upriver or notice the water levels rising, move to high ground immediately. This video is part of the #VolFilm volcano hazards series.
1.5K viewsMay 5, 2021
FacebookUSGS Volcanoes
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