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During many of the eruptions of Pu’u O’o Volcano, Hawaii, pahoehoe lava flows became channelized so that the margins (called “levees”) became more solid and the lava was moving most rapidly in a central channel. These central channels can also be found within certain lunar and martian lava flows and are thought to be an indicator of high discharge rates (more than 10 million kilograms per second). The central channel shown here is approximately 4 meters wide. Photograph courtesy of S. Rowland. Right click here to download a high-resolution version of the image (8.91 MB) |
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