News tagged with volcanic

results timeline


More Filipinos leave homes as volcano spills lava (AP)

More Filipinos leave homes as volcano spills lava

Space & Earth / Earth Sciences

created 20 hours ago | 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 ...


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 ...


Earth

Earth's atmosphere came from outer space, find scientists

Space & Earth / Earth Sciences

created Dec 10, 2009 | popularity 4.2 / 5 (29) | comments 12

(PhysOrg.com) -- The gases which formed the Earth's atmosphere - and probably its oceans - did not come from inside the Earth but from outer space, according to a study by University of Manchester and University ...


Mars

Life on Mars theory boosted by new methane study

Space & Earth / Space Exploration

created Dec 08, 2009 | popularity 4.9 / 5 (30) | comments 11

Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...


Hawaiian hot spot has deep roots

Hawaiian hot spot has deep roots

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 4.9 / 5 (11) | comments 1

(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...


Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

Space & Earth / Earth Sciences

created Nov 23, 2009 | popularity 4.5 / 5 (17) | comments 3

A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...


Antarctica served as climatic refuge in Earth's greatest extinction event

Space & Earth / Earth Sciences

created Dec 02, 2009 | popularity 4.6 / 5 (10) | comments 0

A new fossil species suggests that some land animals may have survived the end-Permian extinction by living in cooler climates in Antarctica. Researchers have identified a distant relative of mammals that apparently survived ...


Researchers discover biological basis of 'bacterial immune system'

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4.8 / 5 (4) | comments 1

(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


African desert rift confirmed as new ocean in the making

Space & Earth / Earth Sciences

created Nov 02, 2009 | popularity 4.9 / 5 (37) | comments 8

(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...


Hidden Territory on Mercury Revealed

Hidden Territory on Mercury Revealed

Space & Earth / Space Exploration

created Nov 04, 2009 | popularity 4.8 / 5 (20) | comments 1

The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like ...


Researchers discover biological basis of 'bacterial immune system'

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.8 / 5 (4) | comments 0

Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

Space & Earth / Earth Sciences

created Oct 29, 2009 | popularity 4.3 / 5 (27) | comments 9

(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.


Rich Ore Deposits Linked to Ancient Atmosphere

Space & Earth / Earth Sciences

created Nov 19, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...


Volcanoes played pivotal role in ancient ice age, mass extinction

Volcanoes played pivotal role in ancient ice age, mass extinction

Space & Earth / Earth Sciences

created Oct 26, 2009 | popularity 4.7 / 5 (16) | comments 3

(PhysOrg.com) -- Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago.


Computer scientist to 'unroll' papyrus scrolls buried by Vesuvius

Technology / Computer Sciences

created May 24, 2009 | popularity 4.6 / 5 (16) | comments 1

On Aug. 24, 79 A.D., Italy's Mount Vesuvius exploded, burying the Roman towns of Herculaneum and Pompeii under tons of super-heated ash, rock and debris in one of the most famous volcanic eruptions in history.