Pool HDR 2010-05-05 08:22:11

WorldofArun ha aggiunto una foto al pool:

A HDR of the Caldera.

2 Exposures, Photomatix 3.0.

A volcanic depression is commonly called crater. A very large crater like this one at the summit of Kilauea is called a Caldera. At this point the Kilauea Caldera measures 2 miles across and 400 feet deep. Geologists believe that the reservoir of hot molten rock that feeds the volcano lies only 2 miles below.

January 6, 2010, Hawaii volcanoes National Park, Big Island, Hawaii. Satellite image of massive caldera.

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