News tagged with us geological survey

Rare quake rattles northeastern US

A 4.0-magnitude earthquake struck the northeastern US state of Maine and was felt as far south as Boston and throughout New England, shocking residents unaccustomed to such tremors.

dateOct 17, 2012 in Earth Sciences
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Alaskan caribou and ptarmigan migrations recorded

In the February issue of BioScience, biologists describe the first-of-a-kind recording of caribou and ptarmigan migrations made with 14 automated cameras positioned in the northern foothills of the Brooks Range, Alaska. By ...

dateJan 15, 2014 in Ecology
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