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Geotimes November 2006 Kathryn Hansen |
Crystals Heat up Volcanic Eruptions Key pressure and temperature information preserved inside tiny bubbles in lava is causing scientists to rethink previous assumptions about how magma behaves, and what might trigger eruptions. |
Geotimes May 2006 Carolyn Gramling |
Indonesian Volcano Ready to Erupt Spewing hot clouds of gas and bulging with lava, Mount Merapi, one of Indonesia's most active volcanoes, has rumbled to life, and a full-scale eruption is imminent, local officials warn. |
Geotimes October 2004 Sever, Pratt & Libick |
Mount St. Helens Activity Updates Updates on Mt. St. Helens activity from October 1 to October 14. |
Geotimes April 2004 Pinsker & Sever |
Paths of Destruction: The Hidden Threat at Mount Rainier Large mudflows called lahars, can occur without warning -- even in the absence of a significant eruptive event. Orting residents face a one in seven chance that a lahar will occur in their lifetimes... On Nov. 13, 1985, a deadly lahar occurred in Columbia, killing more than 23,000 people... |
Geotimes March 2004 Nakada & Eichelberger |
Looking Into a Volcano: Drilling Unzen Geologists have long wanted to peer inside a volcano. Although we have good evidence from extinct and eroded volcanoes of their inner structure, we know little about the conditions in and near active volcanic conduits. |
Geotimes June 2005 Kathryn Hansen |
Mexican Volcano Fires up Geologists fear the recent activity at the Volcan de Colima in Mexico is only the beginning of a larger event to come. The people surrounding Colima could have quite a dangerous situation on their hands. |
Geotimes July 2005 Naomi Lubick |
Monitoring the Most Dangerous U.S. Volcanoes An assessment of the risks and hazards associated with volcanoes has led U.S. researchers to suggest a plan of action for avoiding future disasters, including threats to airplanes and populations living around these features. |
Geotimes October 2004 Pratt & Lubick |
Mount St. Helens Could Erupt in Days to Months In the next few days to a month, there's a 70 percent chance that a small to moderate eruption event will happen at Mount St. Helens, site of the violent and deadly eruption of May 18, 1980. |
Outside January 2008 Kevin Krajick |
Joe Blow Around the planet, hundreds of sleeping volcanoes could wake up with a bang at any moment. Volcanologist Chris Newhall is listening. |
Geotimes November 2007 Feldman & Tilling |
Danger Lurks Deep: The Human Impact of Volcanoes Volcanic eruptions occur infrequently, yet have the potential to unleash some of the most destructive forces on Earth. |
Geotimes June 2004 Megan Sever |
Indonesian Volcanoes Erupt On Tuesday, two volcanoes erupted to life in Indonesia, killing at least two people, injuring others and forcing the evacuation of thousands. |
Geotimes April 2004 Ewert & Harpel |
In Harm's Way: Population and Volcanic Risk Knowing the number of people potentially at risk from volcanic activity allows non-volcanologists and emergency managers to gauge the potential adverse impact of volcanic unrest and plan accordingly. |
Geotimes October 2004 |
Mount St. Helens Erupts More than a week after seismic activity began, Mount St. Helens in Washington has now erupted a thick plume of white steam and light ash reaching as high as 15,000 feet |
Geotimes June 2005 Jake Lowenstern |
Truth, Fiction and Everything in Between at Yellowstone The Yellowstone caldera is a volcano, and it almost certainly will erupt again someday. It's possible, though unlikely, that future eruptions could reach the magnitude of Yellowstone's three largest explosive eruptions, 2.1 million, 1.3 million and 640,000 years ago. |
Geotimes June 2004 Megan Sever |
Hazards Roundup: Iran and Kilauea In the past week, Earth has shaken with more than 50 earthquakes and nearly 20 volcanic eruptions. Nature's forces are at work around us. |
Geotimes June 2007 Hansen & Gramling |
Are Volcanoes Picky Eaters? New measurements of the concentrations of elements within magma suggest a volcano's food may be a complex recipe -- and that what kind of magma a volcano prefers may affect its physical features, including the size to which it can grow, according to new research |
High on Adventure April 2008 Vicki Andersen |
Creation of the cascade mountains The 700-mile stretch of playground known as the Cascade Mountain range is comprised of more than a dozen major peaks. |
Geotimes October 2004 Megan Sever |
Mount St. Helens Alert Level Lowered On Wednesday morning, the U.S. Geological Survey lowered the alert level for Mount St. Helens in Washington from a Level 3 Volcano Alert to a Level 2 Volcano Advisory. |
Geotimes October 2004 Jay Chapman |
Tsunami Story Strikes Again Mega-tsunamis are not nearly as frequent as the news stories, and the likelihood of an event is relatively low. Continued debate among scientists, however, keeps the stories in the news and heightens the perceived threat. |
Geotimes May 2006 Megan Sever |
Yellowstone's Moving Magma New research is suggesting that magma located below the Norris Geyser Basin in Yellowstone National Park periodically rises close to the surface, heating the geothermal field, before diving back down. |
Geotimes May 2004 Megan Sever |
Today's Volcano Risks Active volcanoes pose a threat to commercial aircraft, engendering course diversions around potential danger spots. |
Geotimes November 2007 Toulkeridis et al. |
When Volcanoes Threaten, Scientists Warn After multiple false alarms of volcanoes erupting, people may start to doubt the credibility of the alarms and not listen to them. Scientists need to better predict and communicate the dangers arising from living in the shadow of volcanoes. |
Geotimes August 2006 Megan Sever |
Ecuadorian Volcano Erupts, Kills 5 Tungurahua, one of Ecuador's "big three" volcanoes, once again ramped up its eruption, triggering emergency evacuations. At least five people were killed, many have been injured, and at least another 60 people are missing from villages that were destroyed by the eruption. |
Chemistry World May 24, 2012 Jon Evans |
Can magma crystals predict eruptions? Mineral crystals blasted out from volcanoes can provide a window into the powerful processes going on inside those volcanoes, say UK and German earth scientists. |
Outside February 2005 Mark Sundeen |
Eruptus Interruptus Step right up, ladies and gentlemen! Thar she... might blow! When Mount St. Helens threatened to go erupt again, disaster groupies rushed to the crater--and hoped for the worst. |
Geotimes December 2005 |
Highlights 2005 -- Natural Hazards Drilling a fault... Mount St. Helens awakens... Reviewing Sumatra... SAFOD crosses the fault... |
Geotimes November 2007 Kathryn Watts |
Yellowstone and Heise: Supervolcanoes That Lighten Up Beneath Yellowstone, and driving many of its beloved features such as the geyser Old Faithful, lies a churning chamber of magma that has erupted before and may erupt again. |
Smithsonian December 2006 Laura Helmuth |
Antarctica Erupts! A trip to Mount Erebus yields a rare, close-up look at one of the world's weirdest geological marvels. |
Geotimes April 2005 Megan Sever |
Vesuvius' Next Eruption Volcanologists are reconstructing the volcano's past to better predict just what might happen when it blows its top again. |
Geotimes October 2006 Carolyn Gramling |
Strong Earthquake Shakes up Hawaii A magnitude-6.7 earthquake rumbled through the island chain of Hawaii, originating near Hawaii island, known as the "Big Island," according to the USGS. An aftershock with a magnitude of 6.0 followed seven minutes later. |
AskMen.com Harry Marks |
Top 10: Volcanoes Visit a volcanoe during your next vacation. |
Geotimes May 2006 Carolyn Gramling |
Indonesian Quake Linked to Volcanic Activity? A powerful earthquake rocked through Indonesia's district of Bantul early Saturday morning, leaving thousands dead and hundreds of thousands homeless. The quake could spell trouble for nearby Mount Merapi volcano, now on high alert for eruption. |
Geotimes November 2005 Kathryn Hansen |
Earthly Origin for Desert Formation The Richat Structure in the Maur Adrar Desert is frequently photographed from space. The formation resembles an impact crater, but researchers now say that the famous feature may be the result of magma fluids dissolving sedimentary rocks about 100 million years ago. |
Geotimes March 2005 Megan Sever |
Wilderness and Volcanology Camp As part of a two-week volcanology field school, both undergraduate and graduate students explore and learn about lava flows, pyroclastic flows, calderas, fumaroles and crater lakes while learning how to travel and do fieldwork in the wilderness. |
Geotimes November 2004 Naomi Lubick |
Iceland volcano erupts The Grimsvotn volcano started to explosively erupt on Nov. 1, three hours after a swarm of earthquakes indicated the onset of an event. The volcano sits beneath the middle of the Vatnajokull ice cap -- Europe's largest. |
Geotimes September 2006 Kathryn Hansen |
Mayon Volcano Eruption Slows Fewer seismic events and lessened ground deformation indicate that the ongoing eruption of Mayon Volcano, the Philippines' most active volcano, is finally slowing down. |
Popular Mechanics February 4, 2009 Douglas Fox |
Redoubt Volcano's Rumblings Threaten The World's Third Largest Air Cargo Hub Twenty years ago KLM flight 867 made an emergency landing after encountering Volcano Redoubt's ash. With recent rumblings from the ominous volcano, can vulcanologists prevent future Redoubt-caused flight interference? |
Geotimes July 2003 Greg Peterson |
Cooling Mali's volcanism Geologists have recently found data to overturn the long-held belief that active volcanism was to blame for underground fires in Mali and substantially reduce the calculated risk for the region. The authors found the spontaneous combustion of buried peat layers, not magma. |
Geotimes August 2004 Megan Sever |
The Missing Methane Link Researchers working in Azerbaijan have quantified one of the missing methane emitters -- mud volcanoes. |
Smithsonian February 2007 Eric Jaffe |
Volcanic Lightning As sparks flew during the eruption of Mount St. Augustine in Alaska last year, scientists were able to make some new discoveries |
Popular Mechanics October 2006 Jim Gorman Diagrams |
Future Shocks Think mother nature has dealt us her worst? Think again. Here are five natural disasters poised to strike the United States, and why they will be like nothing we have ever seen... How to ride out an emergency... |
Geotimes May 2004 |
Geomedia Chasing Lava: A Geologist’s Adventures at the Hawaiian Volcano Observatory... Frozen Wonders... Maps: Digital Mapping for Washington State... |
Insurance & Technology February 9, 2009 Anthony O'Donnell |
Zurich, Farmers Warn Customers of Possible Volcanic Eruption Insurance carriers urge Alaskan customers to implement business continuity plans to prepare for the possible eruption of Mount Redoubt. |
Geotimes October 2006 Carolyn Gramling |
Flexing Plates Produce Volcanoes There's a new kind of volcano in town, according to a new study. |
Geotimes July 2003 Allen Glazner |
Igneous Petrology Much effort in igneous petrology over the past year centered on using microanalytical methods to study big problems. Ever-improving analytical techniques are allowing precise measurement of elemental abundances and isotopic ratios on ever-smaller phases in rocks. |
Geotimes March 2005 Jay Chapman |
Hiking Nicaragua's Volcanoes Day trips from the major cities make it possible to see Nicaragua's best geologic features -- its volcanoes -- which are evenly spaced across the countryside. |
Geotimes October 2004 |
Geophenomena An Ashen Threat to Aviation Safety... Volcano Refuge Ends... |
AskMen.com |
Don't Be A Hero Philippine troops on Monday pressed the last 3,000 villagers who have refused to heed government warnings to leave the danger zone around a volcano that experts say is ready to erupt. |
Science News October 9, 2004 |
Eye on Mount St. Helens A link to images of Mt. St. Helens taken by the Johnston Ridge Observatory's VolcanoCam. |
Chemistry World May 27, 2011 Simon Hadlington |
Getting to grips with volcanic ash As the disruption to air travel caused by the eruption of the Grimsvotn volcano in Iceland subsides, researchers are taking a close look at volcanic ash to try to understand how hazardous it is to both aircraft engines and human health. |