To track elephants, scientists keep an ear to the ground

The "mini earthquakes" that elephants make by both walking and vocalizing are not only a way to communicate with each other but can be used to track their movements, according to a study published Wednesday.

Using meteorite impacts to study seismic waves on Mars

(Phys.org)—Earth scientist Nick Teanby with the University of Bristol in the U.K. has come up with a novel way to measure seismic waves traveling through the under-surface of Mars—use data from meteorite impacts. In his ...

Finding faults: evidence of past earthquakes

(Phys.org)—Delaware Geological Survey (DGS) scientists have uncovered hard proof of faults in northern Delaware, indicating the occurrence of earthquakes millions of years ago.

Nea Kameni volcano movement captured by Envisat (w/ Video)

(Phys.org) -- Archived data from the Envisat satellite show that the volcanic island of Santorini has recently displayed signs of unrest. Even after the end of its mission, Envisat information continues to be exploited for ...

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