Photograph by E.W. Wolfe
on
16 June 1983
Lava spillway
Spillways are confined lava channels on the sides of a volcanic cone
or shield that form when lava overflows the rim of the vent.
Image shows lava pouring down a spillway from the lip of Pu`u `O`o
cinder and spatter cone on the east rift zone of Kilauea Volcano,
Hawai`i.