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Tag Archives: Geology & Geophysics

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Precursor volcano to the island of O‘ahu discovered

Map showing volcanoes thought to have made up the region of O‘ahu, Hawai‘i

  Researchers from the University of Hawai‘i at Mānoa (UHM), Laboratoire des Sciences du Climat et de L’Environment (France), and Monterey Bay Aquarium Research Institute recently discovered that O‘ahu actually consists of three major Hawaiian shield volcanoes, not two, as previously thought.  The island of O‘ahu, as we know it today, is the remnants of two volcanoes, Wai‘anae and Ko‘olau.  But ... Read More »

Steven Stanley wins top national honor for research in paleontology

SMS_Portrait_300x250

Dr. Steven M. Stanley of the University of Hawai‘i at Mānoa’s Department of Geology and Geophysics is the recipient of the 2013 Geological Society of America (GSA) Penrose Medal, the society’s highest honor. This medal, which is awarded for eminent research in pure geology, was presented at the GSA Annual Meeting in Denver, Colorado, at an awards ceremony on October ... Read More »

Extrusive volcanism formed the Hawaiian Islands, study determines

Hawaii islands 3-D graphic

Before this work, most scientists thought that Hawaiian volcanoes grew primarily internally – by magma intruding into rock and solidifying before it reaches the surface.  While this type of growth does occur, along Kilauea’s East Rift Zone (ERZ), for example, it does not appear to be representative of the overall history of how the Hawaiian Islands formed.  Previous estimates of ... Read More »

Global warming and really big tomatoes

Hope Jahren

Could a dramatic increase in atmospheric CO2 fuel tremendous increases in agricultural productivity and fight hunger? The general consensus among scientists holds that global warming and higher levels of atmospheric carbon dioxide (CO2) will hurt poor nations the most. Hotter temperatures, rising seas, and more extreme weather patterns will impact countries in the tropical and sub-tropical regions where poverty is ... Read More »

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