Kostal's cinders were ejected by lava fountain eruptions and accumulated around the volcano's vent in the shape of a cone when they fell back around its surroundings.
32.
A few hours later, as magma found a new path to the surface, the ground cracked in nearby Npau Crater, and lava fountains lit up the night sky.
33.
The lava fountains could be seen in the south of the island and a lava flow destroyed three farms near the village of Reykjahl��, although nobody was harmed.
34.
The magma contains almost no silica, making the flow viscosity extremely low . Its lava fountains crystallize in midair then shatter like glass according to the National Geographic.
35.
The typical lava fountains in the Northern Cordilleran Volcanic Province are commonly associated with lava flows, but these do not normally reach heights more than a few hundred metres.
36.
As blobs of molten lava, " spatter, " are erupted into the air by a lava fountain, they can lack the time needed to cool completely before hitting the ground.
37.
Explosion-dominated eruptions can produce dramatic ( but often short-lived ) surface changes around the eruption site, such as large pyroclastic and plume deposits produced as gas exsolves from lava fountains.
38.
The second ( BO 2 / Minoan B ) and third ( BO 3 / Minoan C ) eruption phases involved pyroclastic flow and lava fountain activity and the possible generation of tsunamis.
39.
The institute, which has been watching the volcano closely since it showed renewed signs of unrest in January, said Saturday's " lava fountain " is a key sign of mounting pressure within Mayon.
40.
But unless Humble and Stewart had been propelled into the stratosphere atop a lava fountain, then there was nothing unique about this live experience that I hadn't seen before on a GCSE geography programme ."
