Stromboli Volcano
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Stromboli Volcano

July 15, 2006

On July 2, 2006, the MODIS on the Terra satellite detected a hotspot on the volcanic island of Stromboli, the island in the top center of the image. A hotspot, shown here as a red outline, is an area of elevated surface temperatures.

Nearby landmasses shown in this image include the islands of Salina, Lipari, and Vulcano (the three islands near the center of the image, from top to bottom), along with portions of Sicily (bottom of the image) and mainland Italy.

The fairly light color of the ocean water results from sunglint, when the Sun's light bounces off the water's surface and into the satellite sensor. This image caught a period of relatively minor activity for the temperamental Stromboli Volcano.

Stromboli is a stratovolcano composed of layers of hardened volcanic ash, rocks, and lava flows. Nicknamed the "Lighthouse of the Mediterranean," Stromboli has long attracted tourists with its nighttime eruptions. Stromboli Online provides a photo gallery of some of the volcano's more spectacular eruptions.

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