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.
Abu volcano is a group of 56 smaller volcanic centers with no individual large central volcano, located near the Japan Sea coast in southwest Honshu, Japan, 80 km west of Hiroshima.
The group, also known as the Abu Monogenetic Volcano Group (AMVG), covers 400 sq km and consists of basaltic-to-dacitic lava flows, small shield volcanoes (some with associated cinder cones) and lava domes. Its total volume is ca. 4 cubic km, with no individual center being larger than 0.5 km3.
Irao-yama (641 m) is the highest peak. Some of the volcanic centers of Abu volcano form offshore islands or submarine vents.
The most recent eruption at the volcano was a central vent explosion at Kasa-yama ca. 8000 years ago.
Introduction to Plate Tectonics: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
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