This view shows large areas of hydrothermally altered ground at the Jigokudani ("Valley of Hell") thermal area of Kuttara volcano. Jigokudani is a 300-500 m crater that formed on the W flank of Kuttara.

Photo by Tom Simkin, 1981 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: outcrop | stratigraphy | geology | hydrothermal alteration

Kuttara