New educational module on earthquakes now on-line

Submitted by Anonymous (not verified) on Tue, 1998-12-08 08:00
The ever-changing Earth and the forces that make it so are the theme of a new Web-based educational module from the Southern California Earthquake Center.

New study explains motions of the Emerson fault in the years following the Landers earthquake

Submitted by Anonymous (not verified) on Thu, 1998-11-26 08:00
For geophysicists, the 7.3–magnitude Landers earthquake of June 28, 1992 has yielded much in terms of understanding the basic mechanisms of seismic events. A new study appearing in this week's Science provides a new model to explain why the ground near the fault gradually shifted the first few years after the main shock. The work could be used in the future for the analysis of earthquake hazard.

Galileo data shows Jupiter's lightning associated with low-pressure regions

Submitted by Anonymous (not verified) on Tue, 1998-10-13 07:00

Images of Jupiter's night side taken by the Galileo spacecraft reveal that the planet's lightning is controlled by the large-scale atmospheric circulation and is associated with low-pressure regions.

Crust of Tibetan Plateau is being squeezed by India and Asia, new study shows

Submitted by Anonymous (not verified) on Fri, 1998-09-04 07:00
Geophysicists have discovered why there are high plains and mountains in the Himalayas for trekkers to trek on. According to new data, the soft crust of the Tibetan Plateau is being squeezed like an accordion between the harder crusts of India and Asia.

Spring Colloquium 98: Mars Exploration—Past, Present, and Future

Submitted by Anonymous (not verified) on Wed, 1998-06-03 07:00
PASADENA—The San Gabriel Valley Section of the American Institute of Aeronautics and Astronautics will present "Spring Colloquium 98: Mars Exploration—Past, Present, and Future" on Tuesday, June 9, from 6–9:30 p.m. in von Karman Auditorium at the Jet Propulsion Laboratory, located at 4800 Oak Grove Drive in Pasadena. This year's program will provide a comprehensive overview of America's past, present, and potential future Mars exploration missions. The public is invited and encouraged to attend.

Posthumous Paper by Gene Shoemaker Details Evidence of Comet Shower That Pummeled Earth 36 Million Years Ago

Submitted by Anonymous (not verified) on Thu, 1998-05-21 07:00
Geochemical evidence from a rock quarry in northern Italy indicates that a shower of comets hit Earth about 36 million years ago.

Geophysicists model the Cretaceous motions of Australia

Submitted by Anonymous (not verified) on Sun, 1998-05-03 07:00

The theory of plate tectonics says that Earth's crust has moved horizontally by thousands of miles over millions of years. For visual evidence, one need look no further than a map showing how nicely South America and Africa fit together.

Don Anderson Will Be Awarded the 1998 Crafoord Prize

Submitted by Anonymous (not verified) on Wed, 1998-04-29 07:00

The Royal Swedish Academy of Sciences is to award the 1998 Crafoord Prize in geosciences, with special emphasis upon "the dynamics of the deeper parts of the Earth," to Don L. Anderson of the California Institute of Technology and to Adam M. Dziewonski from Harvard University for their fundamental contributions to our knowledge of the structures and processes in Earth's interior.

Geologists find more evidence for an active fault beneath downtown and east Los Angeles

Submitted by Anonymous (not verified) on Tue, 1998-04-07 07:00

Geologists report new evidence for a fault beneath Los Angeles that could cause damaging earthquakes in the future.

Yucca Mountain Is Possibly More Seismically Active Than Once Believed, Geologists Discover

Submitted by Anonymous (not verified) on Thu, 1998-03-26 08:00
Recent geodetic measurements using Global Positioning System (GPS) satellites show that the Yucca Mountain area in southern Nevada is straining roughly 10 to 100 times faster than expected on the basis of the geologic history of the area. And for the moment at least, geologists are at a loss to explain the anomaly.

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