污污草莓视频

''More than 30聽hikers were feared dead Sunday, a day after a volcano in Japan erupted without warning,聽spewing ash and rocks聽down slopes crowded with people on a sunny autumn weekend.

Rescue efforts were still underway Sunday night on Mount Ontake, a 10,000-foot-high volcano about 125聽miles聽west of Tokyo, as the eruption continued.''

污污草莓视频 expert:听

John Stix -听Department of Earth & Planetary Sciences

Expertise:听understanding physical processes and forecasting eruptions at active subduction-zone volcanoes; geochemistry of volcanic gases, their use for eruption prediction, and their impact on the atmosphere; new infrared remote sensing techniques to measure gases at active volcanoes; integration of geological, geochemical, and geophysical datasets to model volcano plumbing systems.

Source:听