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.
Cagua is an active stratovolcano at the NE tip of northern Luzon Island, Philippines. It has a circular summit crater of 1.5 km diameter, with steep, 60-m-high walls, and is locally known as the "Fire Mountain". The volcano might have erupted in 1907, when strong fumarole activity was noted. A phreatic explosion in 1860 may have generated pyroclastic flows.
At present, there are thermal areas near the summit crater and on the NW and NNE flanks.
Ibu volcano photos: Ibu in Halmahera is one of the most active, but rarely visited volcanoes in Indonesia. A spectacular lava dome is growing inside the volcano's breached crater, with frequent explosions.
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