Earth changes - page 293

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One of world's largest aquifers at risk of drying up - Ogallala Aquifer, USA

The Ogallala Aquifer is a vast, shallow water table aquifer located beneath the Great Plains in the United States. It underlies an area of approximately 450 000 km² (174 000 mi²) and its significant portions are at risk of drying up if it

December 14, 2013

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Active volcanoes in the world: December 3 - December 10, 2013

New activity was observed at 2 volcanoes between December 3 and 10. During the same period, ongoing activity was observed at 11 volcanoes. New activity/unrest: | Kliuchevskoi, Central Kamchatka (Russia) | Shiveluch, Central Kamchatka

December 12, 2013

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Arthur Few explains lightning activity at Chaiten volcano, Chile

In May 2008 the Chilean volcano Chaiten erupted spectacularly and exhibited remarkable lightning activity. Photographer Carlos Gutierrez captured a few images showing unusual kelly-green lightning channels. In this briefing, lightning researcher Arthur Few explains the

December 12, 2013

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Three-year observation of West Antarctic Ice Sheet loss by CryoSat

Three years of measurements by ESA's "CryoSat" satellite show that the West Antarctic Ice Sheet is estimated to be losing over 150 cubic kilometers of ice each year which is considerably more than when last surveyed.CryoSat observes Earth with a radar alti

December 12, 2013

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Record low temperatures forecasted as arctic blast deep freezes parts of USA

Powerful and deadly winter storms covered parts of United States in a deep freeze over the last couple of days. More than 6 000 flights were canceled and at least 80 000 households were left without electricity in Washington, Virginia

December 10, 2013

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Large eruption of Sinabung sends ash plume 12 km into the air

A large vulcanian explosion occurred at Indonesian Sinabung volcano on December 10, 2013 at 04:30 UTC. Darwin VAAC reported ash plume rose to an altitude of 12 km (38 000 ft) and drifted 50 nautical miles to the NW. Although it had a relatively calm period in last

December 10, 2013

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Vast new freshwater sources discovered under the sea

A new study, published December 5 in the international scientific journal Nature, reveals that vast underwater offshore reserves of fresh and brackish water are a global phenomenon. The discovery is providing new opportunities to stave off a looming global

December 09, 2013

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Another episode of strong explosive activity at Kliuchevskoi, Kamchatka

Another phase of strong explosive activity occurred late on December 7 (morning of December 8 by Kamchatka time), generating a dense ash plume that rose to altitude of approximately 5.5 km and drifted 400 km to the north-east.  This is the

December 08, 2013

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Active volcanoes in the world: November 27 - December 3, 2013

During past seven days 5 volcanoes had new activity, ongoing activity was reported for 10 volcanoes. This report covers active volcanoes in the world from November 27 - December 3, 2013 based on Smithsonian/USGS criteria. New

December 05, 2013

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Dense plume from Sakura-jima volcano seen by satellite

When Sakura-jima volcano erupted on November 23, 2013, it emitted a dense plume of ash over the Japanese island of Kyushu. Currently Japan’s most active volcano, Sakura-jima explodes several hundred times each year but these eruptions are usually

December 04, 2013

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Niijima - newly emerged Japanese island is growing, eruption still in progress

Japanese coast guard reported yesterday that newly emerged volcanic island near Nishino-shima (Ogasawara/Bonin) is still growing. The island was named Niijima and if continues to grow, it is expected to merge with Nishino-shima. Volcanic

December 03, 2013

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Powerful eruption of Mount Etna - tall lava fountains and lava flows - 19th paroxysm

Since the late afternoon of December 2, 2013, vigorous strombolian activity was taking place at Etna's New Southeast Crater. This activity was accompanied by a gradual increase in the volcanic tremor amplitude. A dilute eruptive plume composed mostly

December 03, 2013

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Shiveluch spews ash 9 km into the air, Kamchatka

According to the Kamchatkan territorial emergency situations department, Shiveluch volcano erupted Tuesday afternoon, December 2, and spewed ash nine kilometers into the air. The ash cloud streched northwest, bypassing populated areas. Rescuers

December 03, 2013

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Kliuchevskoi eruption photographed from ISS

When viewing conditions are favorable, astronauts on board the International Space Station (ISS) can take unusual and striking images of the Earth. This astronaut photograph provides a view of an eruption plume emanating from Kliuchevskoi Volcano (also

December 02, 2013

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M 6.3 earthquake hit Kepulauan Barat Daya, Indonesia

Shallow M 6.3 earthquake (USGS/EMSC) hit Kepulauan Barat Daya, Indonesia at 01:24 UTC on December 1, 2013. Epicenter was located 343km (213mi) WNW of Saumlaki, Indonesia and 351km (218mi) ENE of Dili, East Timor at depth of 10 km (6.2 miles).

December 01, 2013

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Two massive lakes discovered underneath the Greenland Ice Sheet

According to recently published study, two massive subglacial lakes have been discovered 800 meters beneath surface of the melting Greenland Ice Sheet. Lakes discovered by researchers from the Scott Polar Research Institute (SPRI) at the University of

November 30, 2013

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Spectacular 18th paroxysm at Mt. Etna, Italy

Spectacular lava bubbles over the New SE crater announced 18th paroxysm of Mt. Etna in Italy. The eruption continues to increase and there are now at least 2 vents producing lava fountains. A tall ash plume triggered the temporary airspace closure over

November 28, 2013