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 Ithnayn volcano is volcanic field of 4000 sq km size in western Saudi Arabia north of the Harrat Khaybar volcanic field. It consists of various shield volcanoes and scoria cones, and contains large basalt flows with lava caves.
The youngest lava flows from Harrat Ithnayn are less than 4500 years old.
Latest VAAC alerts: The Volcanic Ash Advisory Centers provide near-real time global monitoring of volcanic ash plumes for aviation. Read the latest (or browse past) advisories.
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