The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Harrat ar Rahah is the northernmost of a series of young basaltic volcanic fields in western Saudi Arabia arranged parallel to the Red Sea. It is located south of the Plain of El-'Hisma, south of the town of Tabuk.
The field contains mainly large olivine-bearing basalt lava flows that were erupted from fissures. The age of the last eruptions is unknown, but probably less than 10,000 years.
Volcano Tours on Hawai'i: The Hawaiian Islands are not only home to the most active volcanoes in the world, Kilauea and Mauna Loa on the Big Island, but also boast a unique natural environment. Born by volcanic activity of a very active hot spot in the middle of the Pacific Plate, they are a showcase of natural history.
Etna's steam rings: A collection of fantastic vortex rings ("smoke rings") we observed recently on Etna.
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