Earthquakes, mudflows and flash floods, rockfalls and landslides, wildland fires, and, under certain conditions, tsunamis can accompany volcanic eruptions.
On volcanic cones, which are tall, steep, and weakened by the rise and eruption of molten rock, landslides are common. Magma discharges volcanic gases that to some degree break up in groundwater, coming about in a hot acidic aqueous framework that debilitates rock by modifying minerals to earth.
The vicinity of the volcano may be affected by a number of dangers, including landslides or debris avalanches, lava flows, pyroclastic flows, lahars, and jökulhlaups. Tephra or ash falls, gas leaks, and tsunamis are just a few of the dangers caused by volcanic activity that can affect areas further away from the volcano.
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