Volcanic Hazards

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 Landslides and Lahars
 Spatter Cone, HI
Arcuate Fissure, Mauna Loa, Hawai`i
Photo by Julie Herrick, 2005
"It should be emphasized that the short-term hazards posed by volcanoes are balanced by benefits of volcanism and related processes over geologic time."
-- Robert I.Tilling, USGS, 1985