Earth Sciences news

Yellowstone's plumbing exposed

Yellowstone's plumbing exposed

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.8 / 5 (40) | comments 17

(PhysOrg.com) -- The most detailed seismic images yet published of the plumbing that feeds the Yellowstone supervolcano shows a plume of hot and molten rock rising at an angle from the northwest at a depth ...


ROV Jason images the discovery of the deepest explosive eruption on the sea floor (w/ Video)

Oceanographers image the discovery of the deepest explosive eruption on the sea floor (w/ Video)

Space & Earth / Earth Sciences

created Dec 17, 2009 | popularity 4.9 / 5 (9) | comments 1

Oceanographers using the remotely operated vehicle (ROV) Jason discovered and recorded the first video and still images of a deep-sea volcano actively erupting molten lava on the seafloor.


Computer simulation strengthens link between climate change and release of subsea methane

Computer simulation strengthens link between climate change and release of subsea methane

Space & Earth / Earth Sciences

created Dec 17, 2009 | popularity 4.4 / 5 (20) | comments 18

(PhysOrg.com) -- A first-of-its-kind computer simulation that mirrors real-world observations of methane bubbling up from a seabed in the Arctic Ocean provides further evidence that warming oceans may unleash ...


Merapi volcano

Pre-eruption earthquakes offer clues to volcano forecasters

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 4.7 / 5 (3) | comments 1

Like an angry dog, a volcano growls before it bites, shaking the ground and getting "noisy" before erupting. This activity gives scientists an opportunity to study the tumult beneath a volcano and may help ...


Fault weaknesses, the center cannot hold for some geologic faults

Fault weaknesses, the center cannot hold for some geologic faults

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 5 / 5 (4) | comments 0

Some geologic faults that appear strong and stable, slip and slide like weak faults. Now an international team of researchers has laboratory evidence showing why some faults that "should not" slip are weaker ...


Arctic ice

Study: Earth's polar ice sheets vulnerable to even moderate global warming

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 2.8 / 5 (33) | comments 23

A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approa ...


Pollution alters isolated thunderstorms

Pollution alters isolated thunderstorms

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 3 / 5 (4) | comments 10

New climate research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. Under strong wind shear ...


Tremors between slip events: More evidence of great quake danger to Seattle

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.4 / 5 (8) | comments 0

(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...


From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.1 / 5 (7) | comments 1

The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.


Hypoxia increases as climate warms

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.3 / 5 (6) | comments 0

A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...


Going vertical: Fleeing tsunamis by moving up, not out

Going vertical: Fleeing tsunamis by moving up, not out

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- In the minutes after a strong earthquake struck offshore of the Indonesian city of Padang on Sept. 30, fears of a tsunami prompted hundreds of thousands of residents to evacuate the coastal ...


A NASA satellite image of iceberg B17B (C), floating southwest off the West Australian coast

'Monster' iceberg shedding hundreds of offshoots

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.6 / 5 (9) | comments 2

An island-sized iceberg is breaking up as it drifts closer to Australia, producing hundreds of smaller slabs spread over a massive area of ocean, experts said Monday.


Computer-simulated Thunderstorms with Ice Clouds Reveal Insights for Next-generation Computer Models

Computer-simulated Thunderstorms with Ice Clouds Reveal Insights for Next-generation Computer Models

Space & Earth / Earth Sciences

created Dec 18, 2009 | popularity 4.2 / 5 (5) | comments 0

(PhysOrg.com) -- Computer simulations of thunderstorms using data from a field campaign in Australia confirm that the "ice-phase" cloud processes in climate models contribute most to the wide discrepancy between ...


More Filipinos leave homes as volcano spills lava (AP)

More Filipinos leave homes as volcano spills lava

Space & Earth / Earth Sciences

created Dec 18, 2009 | popularity 5 / 5 (1) | comments 0

(AP) -- Security forces in army trucks Friday sent about 3,000 residents outside the danger zone surrounding the smoldering Mayon volcano, which looked set for a major eruption after days of shooting ash ...


Laurence still causing warnings and watches in northern west Australia

Laurence still causing warnings and watches in northern west Australia

Space & Earth / Earth Sciences

created Dec 17, 2009 | popularity not rated yet | comments 0

Although the center of Tropical Cyclone Laurence has been over land for two days, it's still holding together and bringing heavy rains and gusty winds to the northern coastal areas of West Australia and will ...