Sentences with phrase «says volcanologist»

«Many people may not realize that volcanoes are continuously releasing quite large amounts of gas, and may do so for decades or even centuries,» says volcanologist Simon Carn, an associate professor at Michigan Tech in Houghton, Michigan, and the lead author of the new study.

«We have not seen changes that would indicate an end to the eruption,» says volcanologist John Pallister of the U.S. Geological Survey's Cascades Volcano Observatory in Vancouver, Washington, «or an escalation to a larger event.»

It's as elongated and sharp as «the overturned keel of a large ship,» says volcanologist Dan Dzurisin of the U.S. Geological Survey (USGS) Cascades Volcano Observatory in Vancouver, Washington.

«I see great potential in this observation: we may be able to use tree rings to reliably date minor flank eruptions,» says volcanologist Houlié.

«In contrast to events like hurricanes or earthquakes, volcanic unrest can last for long periods of time, and that's one reason people stop paying attention to the hazards that are looming,» said volcanologist Greg Valentine, PhD, a University at Buffalo professor of geology and director of the Center for GeoHazards Studies in the UB College of Arts and Sciences.

You might say these volcanologists are like weather forecasters, but with volcanoes.

Not exact matches

Liverpool volcanologist, Dr Janine Kavanagh, who heads up the University's specialist MAGMA laboratory, said «For the first time, using innovative laboratory experiments that combined our knowledge of volcanic plumbing systems with engineering expertise, we have managed to see how magma flows through Earth's crust to the surface through dykes.

The fragile edifice could tumble if it gets much taller, says USGS volcanologist Cynthia Gardner.

But «what we found on the seafloor was almost entirely different from what we expected,» says Rebecca Carey, a volcanologist at the University of Tasmania in Australia.

«That is a real eye - opener from this study,» says Bill Chadwick, a volcanologist at the National Oceanic and Atmospheric Administration's Pacific Marine Environmental Laboratory in Newport, Ore. «What they found tells us a lot about how submarine eruptions behave differently than those on land.»

«The field of volcanology is quite a long way behind fields like meteorology, in terms of developing forecasts,» says David Pyle, a volcanologist at the University of Oxford.

Volcanologist John Bailey of the University of Alaska at Fairbanks says Google Earth's views help scientists make the most of information on ash pathways.

Volcanologists say there have been more than 23 smaller eruptions at Yellowstone since the last major eruption approximately 640,000 years ago.

There have been six island - forming eruptions in recorded history at this site, says Brad Scott, a volcanologist with the Institute of Geological and Nuclear Sciences in New Zealand, and the first researcher to glimpse the baby island, and all of those islands eroded away eventually.

Lazer says the notion that the victims of the eruption were a closely related group fits neatly with work reported in the mid-1980s by volcanologist Haraldur Sigurdsson of the University of Rhode Island in the US.

«We knew it was a large - scale eruption, approximately equivalent to the biggest eruption we've seen on land in the 20th Century,» said Rebecca Carey, a volcanologist at University of Tasmania and Co-Chief Scientist on the expedition.

«Io is a paradise for volcanologists,» said Rosaly Lopes of the Jet Propulsion Laboratory, «but it's hell for cartographers, because the minute you make a map, it's obsolete.»

«At Kima'Kho, we were able to map a passage zone in pyroclastic deposits left by the earliest explosive phase of eruption, allowing for more accurate forensic recovery of paleo - lake levels through time and better estimates of paleo - ice thicknesses,» says UBC volcanologist James K Russell, lead author on the paper published this week in Nature Communications.

«The identification of these groups of victims is key for improving safety and reducing deaths and injuries in these groups, said lead author and volcanologist Sarah Brown of the University of Bristol's School of Earth Sciences, in a press release.

De Pater's long - time colleague and coauthor Ashley Davies, a volcanologist with NASA's Jet Propulsion Laboratory at the California Institute of Technology in Pasadena, Calif., said that the recent eruptions resemble past events that spewed tens of cubic miles of lava over hundreds of square miles in a short period of time.

Volcanologists said it was caused by magma heating water (phreatic eruption).

Volcanologists have stressed that it is impossible to say if and when Mount Agung might erupt, only that there is increased probability that it will.

«There is no volcanologist in the world who could predict precisely when a volcano will erupt,» he said.

«Sometimes the intensity increases, sometimes it decreases, it's hard to tell when the mountain will erupt,» senior volcanologist Gede Suantika said.

«Earthquakes are rare at Öræfajökull, so they may indicate a reawakening,» says Dave McGarvie, a volcanologist at the Open University.

People living within 7.5 kilometers (4.5 miles) of the mountain have been told to evacuate, senior volcanologist Gede Suantika said, advising residents to remain calm.

Huge plumes of smoke have been pouring out of Mount Agung since Tuesday and senior state volcanologist Gede Suantika said it was belching thick grey smoke more than two miles (three kilometers) into the sky early Monday.

«I can find dozens of great stories from biologists, geologists, volcanologists, etc.,» Jourdane says.

Volcanologists say the simmering giant volcano is due another cataclysmic event.

Nelson is not the first to consider salt, says Matthew Watson, a volcanologist at the University of Bristol in the United Kingdom.

There is a reason we don't have the media running wild on super-volcano scare each time a mountain grumbles: volcanologists have the say on such matters not journalists.

«It was amazing finding them,» said Phil Leat, a geologist volcanologist with the survey.