PIT CRATERS AND OPEN VERTICAL VOLCANIC CONDUITS OF EARTH AND MARS

PIT CRATERS ANDOPEN VERTICAL VOLCANIC CONDUITS

OF EARTH AND MARS

• William R. Halliday• Arni Stefansson• Gerald Favre

Kau Desert Pit Crater,Kilauea Volcano, Hawaii

The bottom of the pit is visible in this stretched image due to scattered

light. Credit: NASA/JPL/UofAZ

Profiles of crater in 1923 and 2006. Earlier overhang has fallen in, but the crater itself has not widened appreciably. Profile in 1923 was drawn by Thomas Boles, Hawaii National

Park superintendent and member of party that made the Devil's Throat descent.

October 12, 2006

par Michel Bakalowicz

Hapai Mamo Pit, Mauna Loa

Credit: NASA/JPL/UofAZ

Parrot Pit

Na One Pit,Hualalai Volcano, HI

Malekule Pit Crater, HI

Furna do Enxofre

Lake

From Maciolek, 1982

Algar do CarvaoTerceira, Azores

~

- A. Stefansson

Aerial photo by: NASA

Section ofThe Great Crack, Hawaii Island, HI

NASA /JPL /ASU credit

5 km

N

Funnel Pits1995

NASA THEMIS visual image, GRL L17201

Wood Valley Pit Crater, Kau Desert, HIPhoto and map by:

Gerald Favre

“Jeanne”

Acknowledgements

We thank NASA/JPL/UofAriz. for orbital photography, USGS Hawaiian Volcano Observatory for Volcano Watch 10/12/06, page 1, Greg Middleton for wide angle photographs of Algar do Enxofre, and

cartographers M. Bakalowicz, A. Corbel, A.Fossemale, J. Hangald as cited,andJody Bailey for technical assistance.