搜索结果: 1-14 共查到“国际动态 地质学 eruptions”相关记录14条 . 查询时间(0.062 秒)
Reawakened geyser does not foretell Yellowstone volcanic eruptions（图）
Reawakened geyser does foretell Yellowstone volcanic eruptions
2021/1/18
When Yellowstone National Park's Steamboat Geyser -- which shoots water higher than any active geyser in the world -- reawakened in 2018 after more than three years of dormancy, some speculated that i...
Geoscientists develop new approach to understanding massive volcanic eruptions（图）
Geoscientists approach massive volcanic eruptions
2021/1/18
A team of geoscientists has developed a new way to reconstruct the sizes of volcanic eruptions that occurred thousands of years ago, creating a first-of-its kind tool that can aid in understanding pas...
Tidal Cycles Could Help Predict Volcanic Eruptions,Study Suggests（图）
Tidal Cycles Predict Volcanic Eruptions
2018/2/1
ust before a surprise eruption of New Zealand’s Ruapehu volcano in 2007, seismic tremor near its crater became tightly correlated with twice-monthly changes in the strength of tidal forces, a new stud...
Gases from ancient Inland Northwest volcanic eruptions blocked out sun,cooling planet（图）
Gases ancient Inland Northwest volcanic eruptions blocked out sun cooling planet
2017/10/25
The Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, a millennia-long spewing of sulfuric gas that blocked out the sun and cooled the planet, Washington State Univers...
Large Volcanic Eruptions in Tropics Can Trigger El Nino Events（图）
Large Volcanic Eruptions Tropics El Nino Events
2017/10/25
Explosive volcanic eruptions in the tropics can lead to El Niño events, those notorious warming periods in the Pacific Ocean with dramatic global impacts on the climate, according to a new study....
Analyzing magma temperatures may help get closer to forecasting volcanic eruptions
temperatures volcanic eruptions
2017/7/21
Although volcanic eruptions are often quite hazardous, scientists have been unable to pinpoint the processes leading up to major eruptions – and one important limitation has been a lack of knowledge a...
Holidaymakers concerned about fresh volcanic eruptions causing flight-disrupting ash clouds might be reassured by a study setting out the first reliable estimates of their frequency.While the Universi...
Virginia Tech researchers explore gigantic volcanic eruptions that caused worldwide mass extinctions
Virginia Tech researchers volcanic eruptions caused worldwide mass extinctions
2016/11/29
A paper published in Nature Communications by Virginia Tech researchers confirms a major feature in the formation of large igneous provinces — massive worldwide volcanic eruptions that created in...
Super-eruptions may give only a year’s warning before they blow
Super-eruptions only a year’s warning
2016/8/1
Super-eruptions–volcanic events large enough to devastate the entire planet – give only about a year’s warning before they blow.That is the conclusion of a new microscopic analysis of quartz crystals ...
New ‘geospeedometer’ confirms super-eruptions have a short fuse（图）
geospeedometer super-eruptions short fuse
2015/11/12
Repeatedly throughout Earth’s history, giant pools of magma greater than 100 cubic miles in volume have formed a few miles below the surface.They are the sources of super-eruptions – gigantic volcanic...
Rewriting the history of volcanic forcing during the past 2000 years A year-by-year record of volcanic eruptions from a comprehensive Antarctic ice core array（图）
The desert The South Pole. The volcano. Climate change Sulfur dioxide Sulfate Ice cores
2014/7/18
RENO – A team of scientists led by Michael Sigl and Joe McConnell of Nevada’s Desert Research Institute (DRI) have completed the most accurate and precise reconstruction to date of historic volcanic s...
EUGENE, Ore. — (Jan. 21, 2014) — Images gathered by University of Oregon scientists using seismic waves penetrating to a depth of 300 kilometers (almost 200 miles) report the discovery of an anomaly t...
The study focuses on the Chaitén volcano in southern Chile that began to erupt explosively on 2 May 2008. For six days afterwards the volcano pumped huge volumes of ash high into the atmosphere before...
Volcanic eruptions found to poke holes in the ozone layer
Volcanic eruptions the ozone layer the sulphur dioxide gas nitric acid
2006/11/10
8 November 2006，Volcanic eruptions destroy ozone and create ‘mini-ozone holes’, according to two new studies by researchers at the Universities of Cambridge and Oxford.