Under certain circumstances, instead of being emited from a central vent, lava pours out
along vertical fissures that usually stretch for several kilometers across the land
surface. Flows of this sort have created thick sheets of basalt covering hundreds
of square kilometers.
For additional information please visit the links section
Did you see a word you didn't understand? Look it up in the volcano glossary
This page and all other pages on this site were created by the members of Team 16132 unless otherwise noted. Please send us your comments.