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Wednesday, November 14, 2001 Seismic Activity New data from instruments aboard the Mars Global Surveyor show evidence for ongoing volcanic activity, with geological features tied to recent floods. Both these volcanic and hydrologic events are young, and could perhaps still occur on Mars in the future. Using images snapped by the Mars Global Surveyor camera and the Mars Orbiter Laser Altimeter aboard the spacecraft, the Elysium and Amazonis Planitia regions of Mars have been extensively studied. These sites are thought to be young, geologically speaking. They are pegged at between 10 million to 100 million years of age, perhaps less. From the apparent age range of flows within the region, this is clearly a long-lived volcanic province,” Sakimoto contends. “Future hydrologic and/or volcanic events are still conceivable. (More info: MSNBC.com) @ 16:23 EST