The last lava to enter the tube

The last lava to enter the tube...

Detailed Description

This low mound is the point at which lava, upwelling from below, entered the Mother's Day lava tube. As the tube system died, the last lava to enter the tube ponded at, and plugged, the conduit carrying lava into the tube.

Details

Image Dimensions: 800 x 600

Date Taken: