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Geology

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AP

Authorities in northern Chile discovered surprisingly light damage and just six reported deaths Wednesday from a magnitude-8.2 quake - a remarkably low toll for such a powerful shift in the Earth's crust. President Michelle Bachelet flew to the regio

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arclein

The announcement states that the Icelandic Met Office informed the civil protection department about unusual seismic activity in Hekla. The Icelandic Met Office also raised the surveillance level of Hekla to yellow because of air traffic, which mea

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arclein

Much as the idea of organic origin (biotic origin) is held as common knowledge in the United States, the idea of inorganic origin (abiotic origin) has long been accepted among post-Soviet scientists as the most likely explanation. Some American scien

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arclein

These three extracts are just a representative sample of numerous accounts from all over the world, written in the same period of time. In all cases, the sun was described as getting dimmer and losing its light. Many also described it as having a blu

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arclein

he Jakarta Post is reporting an ash plume from the eruption of ~10 km / 32,000 feet with ash falling upwards of 50 km from the volcano. Thousands of people are fleeing the area to evacuation centers, but over 200,000 people live within the 10 km evac

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arclein

he team found that the magma chamber was colossal. Reaching depths of between 2km and 15km (1 to 9 miles), the cavern was about 90km (55 miles) long and 30km (20 miles) wide. It pushed further into the north east of the park than other studies had p

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arclein

In the last ice age it is acknowledged that global sea level fell below -100m asl as ice sheets develop on land and in polar waters. Then with deglaciation, meltwater inundated the northern watershed areas to drain via river systems into the low lyi

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worldnews.nbcnews.com

A 7.3-magnitude earthquake shook Japan early Saturday, the U.S. Geological Survey reported. The quake was off the Fukushima region of Japan, 231 miles east off the island of Honshu. It was 6.2 miles deep and was felt 300 miles away in Tokyo.

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arclein

n the case of the magma under the Afar Rift, though, it's quite far down, roughly 10 kilometres below the surface, and the blob is huge — extending downward to a total depth of around 35 kilometres and it's roughly 30 kilometres wide. Also, this ap

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arclein

He and his team also do geophysical surveys of the area — they string out a 420-metre cable over an area that soil sampling has already indicated may have potential. The cable has electrodes spaced out every five metres that send electrical currents

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arclein

Until now, geologists thought Tamu Massif was simply part of an oceanic plateau called Shatsky Rise in the northwest Pacific Ocean. Oceanic plateaus are massive piles of lava whose origins are still a matter of active scientific debate. Some research

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arclein

The process, known as seismic tomography, works in much the same way that CT scans (computed tomography) reveal structures hidden beneath the surface of the human body. But since we know much less about the structures below

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arclein

A large portion of this data was collected from 2009 through 2012 by NASA's Operation IceBridge, an airborne science campaign that studies polar ice. One of IceBridge's scientific instruments, the Multichannel Coherent Radar Depth Sounder, can see

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