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Washington University in St. Louis News & Information > University Groups >
Earth & Planetary Sciences
Chair:
Raymond Arvidson
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Antarctica's slip is showing
Data show Antarctic ice stream radiating seismically
June 4,
2008 --
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| Image courtesy of Doug Wiens |
| Douglas Wiens (left), and a colleague ready equipment to emplace seismographs in Antarctica during a 2001 expedition. |
A seismologist at Washington University in St. Louis along with colleagues at Pennsylvania State University and Newcastle University in the United Kingdom have found seismic signals from a giant river of ice in Antarctica that make California's earthquake problem seem trivial. Douglas A. Wiens, Ph.D., professor of earth and planetary sciences in Arts & Sciences, and colleagues combined seismological and global positioning system (GPS) analyses to reveal two bursts of seismic waves from an ice stream in Antarctica every day, each one equivalent to a magnitude seven earthquake.
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Missouri earthquake awareness month
Seminar to address ways to lessen earthquake damage
Feb. 6,
2008 -- The Department of Mechanical, Aerospace and Structural Engineering at Washington University in St. Louis is presenting a series of seminars and workshops on the topic of reducing the damage that would occur when a strong earthquake strikes the New Madrid fault area again.
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Extreme environments
Return to Europa: A closer look is possible
Dec. 13,
2007 --
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| NASA/JPL |
| Thick or thin ice shell on Jupiter's moon Europa? Scientists are all but certain that Europa has an ocean underneath its surface ice, but do not know how thick this ice might be. |
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Jupiter's moon Europa is just as far away as ever, but new research is bringing scientists closer to being able to explore its tantalizing ice-covered ocean and determine its potential for harboring life. William B. McKinnon, professor of earth and planetary sciences at Washington University in St. Louis, is discussing some of these recent findings and new opportunities for exploring Europa in a news briefing on Thursday, Dec. 13, 2007, at the meeting of the American Geophysical Union in San Francisco.
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