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 Lunayyir volcano is a volcanic field in western Saudi Arabia east of the Red Sea port of Umm Lajj. The basaltic field contains about 50 cinder cones and lava flows aligned N-S. Two of the lava flows have reached the Red Sea.
An eruption has probably occurred in the 10th century AD or earlier.
Intraplate volcanism: A third tectonic setting where volcanism occurs is believed to be the result of mantle plumes and not directly related to plate boundaries. So called hot spot volcanoes fall into this category.
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