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New Island in the Red Sea

January 10th, 2012 | Comments Off | Posted in Geology.com

A January 7th satellite image of the Red Sea shows the new volcanic island about 40 miles off the cost of Yemen. The pushpin on the Google Map at right shows the location of the new island. For an image showing steam and ash escaping from the vent visit the Earth Observatory website . If you look closely at the zoomed in map you will see that the island is located in the center of the Red Sea Rift.

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Folds of Pennsylvania – GIS Data and Map

December 14th, 2011 | Comments Off | Posted in Geology.com

The Pennsylvania Geological Survey has released: Open-File Report OFGG 11–01.0: Folds of Pennsylvania— GIS Data and Map.

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New High Resolution GPS System for Europe

October 24th, 2011 | Comments Off | Posted in Geology.com

The European Space Agency is launching a constellation of GPS satellites that will provide high resolution navigation abilities that are more accurate than what is available to citizens in the United States. An even higher resolution encrypted signal will be available for companies who want to pay for it.

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New Digital Elevation Model of Earth

October 19th, 2011 | Comments Off | Posted in Geology.com

NASA and Japan ’s Ministry of Economy, Trade and Industry released a new global digital elevation model of Earth that is the most complete worldwide topographic map ever produced.

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Lesson Plans: Seamount Mapping and Models

October 17th, 2011 | Comments Off | Posted in Geology.com

Sea Grant Alaska has a collection of teaching and learning resources that can be used to create multiple lessons about seamounts for middle school students. Activities include: learning how seamounts form, mapping seamounts and building a seamount model from a topographic map.

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USGS Science at Lake Tahoe

August 18th, 2011 | Comments Off | Posted in Geology.com

“A documentary film highlighting recent and past USGS research in the Lake Tahoe Basin. It features USGS science activities conducted by hydrologists, geologists, geographers, computer modelers, and biologists, among others. The story is told through the use of narration, expert interviews, graphics, animations, incredible video imagery and time-lapse video. USGS science detailed in the story includes water quality monitoring, streamgaging, Lake Tahoe bathymetry, aerial LiDAR, historic use of aerial photography, and the Tahoe Land Use Simulation Model.” Quote from the USGS media release.

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Current US Volcanic Activity

August 16th, 2011 | Comments Off | Posted in Geology.com

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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Earth At Night Image Measures Economic Activity

June 13th, 2011 | Comments Off | Posted in Geology.com

“The use of nighttime lights visible on earth from space is one of the more innovative ways to measure social and economic activity in countries that have little or no reliable data collection programs.” Quoted from the National Science Foundation press release.

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Giant Fjords Beneath Antarctic Ice

June 6th, 2011 | Comments Off | Posted in Geology.com

“Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high-resolution topographic map of [..] some of the largest fjords or ice cut channels on Earth, providing important insights into the history of ice in Antarctica .” Quoted from The University of Texas at Austin press release.

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Home Buyer’s Guide to Geologic Hazards

February 20th, 2011 | Comments Off | Posted in Geology.com

A publication of the Arizona Geological Survey just received a nice write-up in the Tucson Citizen. Their “ Homebuyer’s Guide to Geologic Hazards in Arizona ” (PDF docuemnt – might take a while but worth the wait) has a lot of valuable information that can save real estate buyers a lot of headaches. Every state should develop a booklet like this and make it available for free on the web!

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