Volcanoes
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Rabaul Eruption, Papua New Guinea, 1994
An eruption of two vents in the Rabaul caldera, Vulcan and Tavurvur, forced the evacuation of residents, buried the airport and collapsed most buildings in the city. more...
Unrest at Mount Mayon Volcano in the Philippines
Philippine volcanologists have raised the alert level at Mount Mayon to moderate unrest due to minor quakes and a glow observed in the summit crater. more...
Sarychev Peak Volcano, June 12, 2009
Northern Pacific flights bound for Japan, Shanghai and Korea are being cancelled or rerouted due to volcanic ash spewing from the Russian volcano, Sarychev Peak. more...
1986 Limnic Eruption of Lake Nyos, Cameroon
A sudden explosion of carbon dioxide under pressure caused Lake Nyos in Africa to emit a lethal gas that asphyxiated all living organisms within a 15-mile radius. more...
Eldfell, Iceland Eruption 1973
The town of Vestmannaeyjar, Iceland was partially buried under lava flows from Eldfell and citizens fought to save it. more...
Soufriere Hills Volcano, Montserrat
The eruptions of the Soufriere Hills Volcano have made more than half of Montserrat uninhabitable, forcing mass evacuations and destroying Plymouth, the capital city. more...
Eruption of Mount Redoubt, Alaska 2009
Mount Redoubt, located on the shores of Cook Inlet in Alaska, had been dormant for 20 years. The last eruption occurred on December 14, 1989 and lasted for six months. more...
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Mount Vesuvius: the Last Volcanic Eruption
By: Don Kaiser
The Mount Vesuvius eruption in 79 AD destroyed the Roman cities of Pompeii and Herculaneum. When did Vesuvius last erupt and when is the volcano likely to erupt again? more...
Volcano Observatories Provided Recovery Funding
By:
Alan Sorum
The U.S. Geological Survey operates volcano observatories in volcanically active regions like those near Mount Redoubt in Alaska and Yellowstone National Park in Wyoming. more...
Pilots Encounter Kasatochi Cloud
Pilots report that the August 7th, 2008 eruption of Kasatochi Volcano, Alaska, produced high-altitude ash clouds that presented hazards to aircraft. more...
Satellites See Kasatochi Eruption
An explosive eruption occurred at Kasatochi Volcano (52.18ºN, 175.51ºW) on the afternoon of August 7th, 2008, sending volcanic ash and gas 35,000 feet into the atmosphere more...
Satellites Detect Okmok Eruption
Yet another large volcanic eruption has provided earth observers with valuable data of volcanic clouds in the atmosphere - the eruption of Okmok Volcano. more...
When a volcanic eruption ejects enough material into the atmosphere, the effects can be local and global climate change. more...
News agencies are reporting cloud heights of 20 miles, which is a great exaggeration of the actual cloud height of about 3-7 miles based on scientific analysis. more...
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