Beginner's Guide to Volcanoes on
Landsat GeoCover Satellite Images
Volcanoes can be recognized by their radial drainage. A vent or caldera is often visible.
The blue ice-covered area in the northern portion of this image is the snowcap of Mount Rainier and the purple area in the lower left is the lahar and ash covered landscape surrounding Mount St. Helens. Washington state U.S.A.
Mount Fuji's red and purple summit is quite noticeable in this image. To the south is Mount Ashitaka, and to the southeast is the volcano Mount Hakone. Honshu, Japan.
Miyake-jima can be seen with a billowing steam and ash plume. Northern Izu Islands, Japan.
Find it on Geology.com
More from Geology.com
Oil and Gas: Articles about oil and natural gas in the US and around the world.
Free Google Earth software allows you to browse seamless world satellite images. Free.
Mount Etna: The most active volcano in Europe, continues an eruption that started in 2001.
Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
Cave of the Hands: A cave in Argentina with wall paintings that date back to about 7000 BC.
Iris Agate produces surprising colors when light passes through its thin bands.
Copyright information: Data used to produce the image above was provided by NASA's Earth Science Enterprise Scientific Data Purchase Program and produced, under NASA contract, by Earth Satellite Corporation. Thank you to those agencies for use of the data. The Landsat image was composed by Angela King and is property of geology.com. Use of any geology.com image without written permission is prohibited.