Geosciences » alaska

Links Between Asians and the Earliest Native Americans

Geology.com — Wed, 01 Feb 2012 10:30:16 +0000

“A tiny mountainous region in southern Siberia may have been the genetic source of the earliest Native Americans, according to new research by a University of Pennsylvania -led team of anthropologists.” Quoted from the NSF press release.

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Links Between Asians and the Earliest Native Americans

Debris from the Japan Tsunami Hits North American Beaches

Geology.com — Mon, 26 Dec 2011 14:26:48 +0000

Debris washed from Japan by the March 11, 2011 tsunami is starting to wash up on the shorelines of Alaska, British Columbia and Washington.

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Debris from the Japan Tsunami Hits North American Beaches

Photo Gallery: Alaska’s Glacial Ice

Geology.com — Wed, 14 Dec 2011 15:10:28 +0000

Ground Truth Trecking has a new gallery featuring some surprising and spectacular photos of Alaska ’s glacial ice. Check it out. Also some great photos from their trek to Malaspina Glacier , including oil seeps, supercooled springs, the most tectonically active mountain in North America, and forested ice-calving faces

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Photo Gallery: Alaska’s Glacial Ice

Photo Gallery: Alaska’s Glacial Ice

Geology.com — Wed, 14 Dec 2011 15:10:28 +0000

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Photo Gallery: Alaska’s Glacial Ice

The 1783-1784 Eruption of Laki Volcano, Iceland

Geology.com — Wed, 21 Sep 2011 05:45:34 +0000

Wired Science has an interesting article about the 1783-1784 eruption of Laki Volcano . The eruption released toxic gases that killed tens of thousands of people in Europe and about 20% of the population of Iceland.

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The 1783-1784 Eruption of Laki Volcano, Iceland

Cleveland Volcano Alert Levels Now Orange and Watch

Geology.com — Sun, 11 Sep 2011 12:57:33 +0000

“Observations of Cleveland Volcano from Tuesday September 6, 2011 show that the small lava dome in the summit crater has resumed growth and now fills the floor of the crater. In response, AVO is raising the Aviation Color Code to Orange and the Alert Level to Watch.” Quoted from the Alaska Volcano Observatory website.

Current US Volcanic Activity

Geology.com — Tue, 16 Aug 2011 05:52:54 +0000

USGS publishes a continuously-updated Google map that shows the location and alert level for volcanoes in the United States. At a glace you can see locations with elevated alert levels and zoom in on them with Google maps or Google satellite images .

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Current US Volcanic Activity

Fossil Thalattosaur Found in Alaska

Geology.com — Sun, 31 Jul 2011 14:48:39 +0000

Quick excavations were done to recover a fossil thalattosaur that was only exposed during low tide at certain times of the year. The University of Alaska Museum of the North is now preparing the marine reptile for study.

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Fossil Thalattosaur Found in Alaska

Impact of Largest Recorded Tundra Fire

Geology.com — Sun, 31 Jul 2011 14:16:30 +0000

“In 2007, the largest recorded tundra fire in the Arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years. A study of the Anaktuvuk River fire on Alaska ’s North Slope revealed how rapidly a single tundra fire can offset or reverse a half-century worth of soil -stored carbon.” Quoted from the University of Alaska Fairbanks press release

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Impact of Largest Recorded Tundra Fire

Oil and Gas Resources: Cook Inlet, Alaska

Geology.com — Wed, 29 Jun 2011 10:30:46 +0000

“The U.S. Geological Survey ( USGS ) recently completed a new assessment of undiscovered, technically recoverable oil and gas resources in the Cook Inlet region of south-central Alaska. Using a geology-based assessment methodology, the USGS estimates that mean undiscovered volumes of nearly 600 million barrels of oil, about 19 trillion cubic feet of natural gas , and 46 million barrels of natural gas liquids remain to be found in this area.” Quoted from the USGS press release.

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Oil and Gas Resources: Cook Inlet, Alaska