This close-up look at a lava tube roof shows hardened lava drips.
This image and other great volcano images and information can be found in the USGS Hawaii Volcano Observatory image gallery.
Geology in the National Parks home | U.S. Department of the Interior | U.S. Geological Survey Privacy statement / General Disclaimer USGS Western Earth Surfaces Processes Team Webmaster http://geology.wr.usgs.gov/docs/usgsnps/index.html This page was last updated on 01/13/04