Field crews use a radar gun, similar to that used by law enforcement officers, t

image related to volcanoes. See description

Detailed Description

Field crews use a radar gun, similar to that used by law enforcement officers, to get an approximation of the speed of lava as it exits the fissure 8 cinder cone. At the time these measurements were taken, the speed averaged 18 miles per hour.

Details

Image Dimensions: 3264 x 2448

Date Taken: