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.
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Bogoslof (United States, Aleutian Islands): Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: VA FROM 28/2216Z ERUPTION VISIBLE ON SAT IMAGERY AND PIREP REPORTED VA VISIBLE WITH SULFER SMELL. ...29 May: Another explosive eruption occurred yesterday evening at the volcano (at 14:16 AKDT local time or 22:16 UTC). It lasted about 50 minutes produced an ash cloud that rose to at least 35,000 ft, and possibly as high as 45,000 ft asl, the Alaska Volcano Observatory (AVO) reported: "An observer on Unalaska Island reported seeing a large white-gray mushroom cloud form over Bogoslof, with ash fall out to the west. Winds in the area are currently to the northwest. Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition. Additional explosions producing high-altitude volcanic clouds could occur at any time. Low-level explosive activity that is below our ability to detect in our data sources may be occurring." (AVO) ...28 May: Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: 2216Z ERUPTION
Nyamuragira volcano photos: Africa's version of Mauna Loa, Nyamuragira (or Nyamulagira) is a massive basaltic shield volcano neighboring Nyiragongo. It is one of the most active volcanoes in the world and has voluminous eruptions every few years.
Igneous or magmatic rocks: The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
Ethiopia and the Danakil: Ethiopia is a very diverse and beautiful country. Thanks to our numerous expeditions to Erta Ale and Dallol and beyond, we have an extensive collection of images showing the volcano's lava lake, the desert, the colorful hot springs of Dallol, the vast salt lakes, camel caravans and more.
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