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.
Usulután volcano is a stratovolcano in east-central El Salvador, at the SE end of a cluster of basaltic to basaltic-andesite stratovolcanoes between San Vicente and San Miguel volcanoes.
The volcano contains a broad 1.3-km-wide summit crater breached to the east. The flanks of the forested Usulután volcano are strongly eroded and suggest a long repose interval, but young lava flows are present on its southern flanks. They are probably less than 10,000 years old. Cerro Nanzal is a flank cone on the lower SE flank and was mapped as Holocene.
Merapi volcano photos: One of the most active and most dangerous volcanoes of Indonesia: Merapi meaning "the one who makes fire", is a feared but also venerated holy mountain looming over the city of Yogyakarta, capital of Central Java.
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