Sentences with phrase «massive eruptions»

His thesis: the oceans can produce massive eruptions of explosive methane gas.
Magnetic reconnection, in which the magnetic field lines in plasma snap apart and violently reconnect, creates massive eruptions of plasma from the sun.
These rock formations are called flood basalts because they were created by massive eruptions of lava.
Lava fountains on Io De Pater discovered the first two massive eruptions on Aug. 15, 2013, using the near - infrared camera (NIRC2) coupled to the adaptive optics system on the Keck II telescope, one of two 10 - meter telescopes operated by the W. M. Keck Observatory in Hawaii.
In a multi-disciplinary study looking at historical texts and geological records, an international team of scientists has found a link between massive eruptions and social revolt in the Ptolemaic Kingdom (305 — 30 BC), the powerful dynasty that ruled following the campaigns of Alexander the Great.
Their research, published today in Nature Communications, provides new insights into the massive eruptions on the Sun's surface responsible for space weather.
In active regions, where temperatures can reach millions of degrees, massive eruptions on the surface called flares spew out charged particles and high - energy radiation.
Researchers believe that if it erupted, Campi Flegrei could have global repercussions, potentially killing millions of people and having a major effect on the climate, but that such massive eruptions are extremely rare.
And they merely scored on two massive eruptions early in the fourth quarter to take the lead.
So, the study researchers decided to analyze quartz crystals at the site of one of these massive eruptions that erupted in California about 760,000 years ago, creating the Long Valley Caldera.
Humans inhabited rainforests on the Indonesian island of Sumatra between 73,000 and 63,000 years ago — shortly before a massive eruption of the island's Mount Toba volcano covered South Asia in ash, researchers say.
But Axial belched forth an equally massive eruption of superhot water.
Toba's massive eruption 74,000 years ago left behind this crater, now a lake, in Indonesia (inset).
Lago de Atitlán originated from a massive eruption of Los Chocoyos volcano.
Despite this massive eruption, the Arenal volcano retained its almost perfect conical shape.
Evidence for this abrupt climate change points to a massive eruption of the volcanic precursor of Krakatoa.
This massive eruption probably had a volcanic explosivity index of six, which is equivalent to that of the 1883 eruption of Krakatoa.
The sun's activity recently picked up, as shown here in this image of a massive eruption on its surface on Jan. 23.
Although the global disruption of last month's massive eruption has faded, smaller ash plumes snarled air services intermittently over the last week all the way to Turkey — more than 2,500 miles (4,100 kilometers) from the Eyjafjallajokul (pronounced ay - yah - FYAH - lah - yer - kuhl) volcano.

Not exact matches

Some of the more extreme forecasts made for this time period include alien visitations / invasions, catastrophic asteroid impacts, violent volcanic eruptions and massive earthquakes.
The legendary Ölfus Spring was forged during a massive volcanic eruption over 5,000 years ago.
It is more likely that Beijing will try to use its influence over North Korea in order to prevent the eruption of a war in the Korean peninsula, thus, keeping the US distant from its borders and avoiding a massive wave of North Korean refugees knocking on its doors.
According to the Toba catastrophe theory, a massive volcanic eruption changed the course of human history by severely reducing the human population.
«The Bali eruption led to the evacuation of more than 70,000 people and caused massive disruptions in air traffic and tourism, affecting more than 100,000 travellers,» she said.
If mimicking a massive volcanic eruption by spraying sulfur dioxide into the air or flying thousands of mirrors into space to shade Earth to halt climate change doesn't cut it for you, how about this?
Energetic eruptions leading to a peculiar hydrogen - rich explosion of a massive star.
Perhaps extra carbon dioxide from a period of heightened seafloor eruptions eventually percolates through the ocean and into the atmosphere, allowing warming that would deliver a coup de grâce to the massive ice sheets.
Scientists think that massive volcanic eruptions killed off more than 90 % of ocean species and 75 % of land species almost 252 million years ago.
The first extinction pulse has been tied to massive volcanic eruptions in India, the second to the impact of an asteroid or comet on Mexico's Yucatan Peninsula.
The hot spot — an upwelling plume of hot mantle — beneath the Yellowstone Plateau caused massive and sudden eruptions 2.0 million, 1.3 million, and 0.6 million years ago — near «clockwork timing,» according to geochemist Ilya Bindeman, the lead researcher of a team at the University of Wisconsin, Madison.
Pore spaces that shelter subsurface microbes areconstricted to the vanishing point in metamorphic rocks buried over eons byfurther sedimentation, volcanic eruptions, or massive folding of Earth's crust.And dense crystalline material formed by melting — basic igneous rock — offerslittle housing or dining.
Acid rain following the impact may also have played a role in the extinction, as could the additional stress on global climate from the massive volcanic eruptions that occurred 65 million years ago in India's Deccan Traps.
NATURAL catastrophes such as asteroid impacts, massive volcanic eruptions or large - scale wildfires would have periodically plunged our planet into abnormal darkness.
«Massive Antarctic volcanic eruptions linked to abrupt Southern hemisphere climate changes: New findings explain synchronous deglaciation that occurred 17,700 years ago.»
Some geologists speculate that massive volcanic eruptions covering areas as large as modern continents triggered the release of methane buried in the ocean floor, causing a greenhouse effect.
«Detailed chemical measurements in Antarctic ice cores show that massive, halogen - rich eruptions from the West Antarctic Mt. Takahe volcano coincided exactly with the onset of the most rapid, widespread climate change in the Southern Hemisphere during the end of the last ice age and the start of increasing global greenhouse gas concentrations,» according to McConnell, who leads DRI's ultra-trace chemical ice core analytical laboratory.
The most - favoured explanation is volcanic eruptions: 252 million years ago, massive volcanoes erupted in Siberia and they continued to belch forth viscous basalt lava and...
They suggest the «little chill» started with a 50 - year episode of four massive tropical volcanic eruptions.
The record - breaking 2017 wildfires in the US generated massive thunderstorms that pumped as much smoke into the stratosphere as a volcanic eruption
However, volcanic eruptions before 1900, like the Tambora 1815 event, have the possibility to cause massive death tolls and also cause lower temperatures around the world leading to food security issues.
Of the 29 largest known landslides worldwide from 1980 through 2012, ground motions from the 27 largest — including the massive slide that triggered the eruption of Mount St. Helens in May 1980, the greatest one yet observed and recorded — were detected by seismic instruments that were part of a global network of instruments.
A new twist, Sumner reports, is growing evidence of the planetary reach of long - lived eruptions that created the massive Deccan Traps in present - day India.
The plume below pulsed through the slab, leading to massive outpourings of magma, the pattern and timing of which appear consistent with the Steens — Columbia River flood basalts, which spewed out one million times more molten rock than the 1980 Mount Saint Helens eruption.
Richards and colleagues write that while the Deccan eruptions probably spewed massive amounts of carbon dioxide and other noxious, climate - modifying gases into the atmosphere, «It's still unclear if this contributed to the demise of most of life on Earth at the end of the Age of Dinosaurs.»
The heat from those eruptions would have melted massive amounts of ice to form englacial lakes — bodies of water that form within glaciers like liquid bubbles in a half - frozen ice cube.
Had regional temperature cooled by ∼ 4 °C, as has been estimated from climate models of the eruption's impact (14), the lake would likely have experienced massive overturn of the water column, a major iron oxidation event, and extermination of much of the biota in the upper water column.
A suite of Sun - gazing spacecraft, SOHO, STEREO and Solar Dynamics Observatory (SDO), have spotted an unusual series of eruptions in which a series of fast «puffs» force the slow ejection of a massive burst of plasma from the Sun's corona.
Plate tectonics can affect life through massive volcanic eruptions (see main story).
The source, called SDSS1133, may be the remnant of a massive star that underwent a record period of eruptions before destroying itself in a supernova explosion.
Many scientists suspected that a massive volcanic eruption had something to do with it.
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