Geosciences » united-states

Paleoseismology: Learning from the Past

Geology.com — Thu, 09 Feb 2012 16:04:45 +0000

In this YouTube video, Martitia Tuttle explains paleoseismology and narrates a field visit to look at ancient liquefaction features.

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Paleoseismology: Learning from the Past

Lower Natural Gas Prices Expected

Geology.com — Tue, 07 Feb 2012 13:44:14 +0000

Analysts are expecting natural gas prices to continue falling during 2012 as overproduction and slow adoption of the fuel in the transportation and electricity generation industries continues.

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Lower Natural Gas Prices Expected

Solar Flares

Geology.com — Sun, 05 Feb 2012 15:20:45 +0000

Following one of the longest and weakest periods of activity in many cycles, the Sun is brimming with activity again. In late January 2012, our nearest star offered a preview of what may be to come in the solar maximum of 2012–13.

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Solar Flares

First GRAIL Video of Moon’s Far Side

Geology.com — Thu, 02 Feb 2012 17:08:09 +0000

NASA ’s GRAIL mission has beamed back its first video of the far side of the moon . The imagery was taken on Jan. 19 by the MoonKAM aboard the mission’s “Ebb” spacecraft.

Volcanic Hazards in California

Geology.com — Tue, 31 Jan 2012 10:45:42 +0000

“More than 500 volcanic vents have been identified in the State of California . At least 76 of these vents have erupted, some repeatedly, during the last 10,000 yr. Past volcanic activity has ranged in scale and type from small rhyolitic and basaltic eruptions through large catastrophic rhyolitic eruptions.” Quoted from the USGS report.

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Volcanic Hazards in California

Monday’s Solar Storm Explained

Geology.com — Wed, 25 Jan 2012 01:33:27 +0000

Derrick Pitts, Chief Astronomer at the Franklin Institute explains the recent “medium class” solar storm and how it might compare storms that will occur in 2013 when a solar maximum occurs. Visit msnbc.com for breaking news , world news , and news about the economy

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Monday’s Solar Storm Explained

Fracking Backlog in North Dakota

Geology.com — Fri, 20 Jan 2012 05:35:57 +0000

Even though oil production from North Dakota ’s Bakken Formation has propelled the state to new production records there is still a backlog of wells to be fracked.

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Fracking Backlog in North Dakota

EarthTrek Gravestone Project – Weathering Study

Geology.com — Thu, 19 Jan 2012 23:00:16 +0000

“This project aims to map the location of a graveyards around the globe and then use marble gravestones in those graveyards to measure the weathering rate of marble at that location.” Quoted from the project website.

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EarthTrek Gravestone Project – Weathering Study

Effects of Urbanization on Stream Ecosystems

Geology.com — Tue, 17 Jan 2012 10:39:01 +0000

“Development can have negative effects on streams in urban and suburban areas. As a watershed becomes covered with pavement, sidewalks, and other types of urban land cover, stream organisms are confronted with an increased volume of storm water runoff, increased exposure to fertilizers and pesticides, and dramatic changes in physical living spaces within the stream itself. In this episode, USGS scientist Jerry McMahon describes two take home messages for managers.” Quoted from the USGS video release.

Azerbaijan Oil and Natural Gas Report

Geology.com — Sun, 15 Jan 2012 14:00:29 +0000

“ Oil and gas development and export is central to Azerbaijan’s economic growth and the country is one of Caspian region’s most important strategic export openings to the West.” Quoted from the EIA report.

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Azerbaijan Oil and Natural Gas Report