File:Sulfur Fumarole (23998018863).jpg
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Summary
| Description |
In this recent photo taken at Puʻu ʻŌʻō Crater in Hawaii, we can see that elemental sulfur vapor escaping from the fumarole has cooled to form yellow-colored crystals around the margins of the crack. Fumaroles are vents from which volcanic gas escapes into the atmosphere. Fumaroles may occur along tiny cracks or long fissures, in chaotic clusters or fields, and on the surfaces of lava flows and thick deposits of pyroclastic flows. They may persist for decades or centuries if they are above a persistent heat source or disappear within weeks to months if they occur atop a fresh volcanic deposit that quickly cools. |
| Date | |
| Source | Sulfur Fumarole |
| Author | U.S. Geological Survey from Reston, VA, USA |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:26, 19 January 2018 | | 5,184 × 3,456 (13.67 MB) | Artix Kreiger 2 | Transferred from Flickr via Flickr2Commons |
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