Search results
Results from the WOW.Com Content Network
Vog is created when volcanic gases (primarily oxides of sulfur) react with sunlight, oxygen and moisture.The result includes sulfuric acid and other sulfates. [4] Vog is made up of a mixture of gases and aerosols which makes it hard to study and potentially more dangerous than either on their own.
Mount Ruang spewed lava and and ash on April 17, seen from Sitaro, North Sulawesi. It also triggered lightning in the ash cloud -- a common phenomenon in powerful volcano eruptions.
Tephra is a generalized word for the various bits of debris launched out of a volcano during an eruption, regardless of their size. [4] Pyroclastic materials are generally categorized according to size: dust measures at <1/8 mm, ash is 1/8–2 mm, cinders are 2–64 mm, and bombs and blocks are both >64 mm. [5] Different hazards are associated with the different kinds of pyroclastic materials.
Ol Doinyo Lengai is an active volcano in northern Tanzania. It consists of a volcanic cone with two craters, the northern of which has erupted during historical time. Uniquely for volcanoes on Earth, it has erupted natrocarbonatite, [2] an unusually low temperature and highly fluid type of magma. Eruptions in 2007–2008 affected the ...
Still, the volcano's long history of destructive explosions and the 24 million people who reside within 60 miles of its crater make Popocatépetl an acute threat. Authorities aren't taking any ...
Kayla Iacovino is an American volcanologist, noted for her widespread fieldwork and experimental petrology.She was the first woman to do her field work in North Korea. Originally from Arizona in the United States, she has worked in countries including Chile, North Korea, China, Costa Rica, Antarctica, Italy, Japan and Ethi
A women’s prison near Naples was evacuated as a precaution Tuesday following a 4.4 magnitude quake with an epicenter at an active volcano west of the southern Italian port city that forced ...
Dangerous Earth: What We Wish We Knew About Volcanoes, Hurricanes, Climate Change, Earthquakes, and More is a non-fiction book by Ellen J. Prager, a marine biologist. Overview [ edit ]