Alaska volcano erupts again, sends ash cloud over Aleutians

An Alaska volcano that has erupted periodically since mid-December sent up its biggest cloud to date late Tuesday night and into Wednesday morning, prompting warnings to airliners and a major U.S. fishing port in the Aleutian ...

Water plus magma = increased explosivity

When water interacts with magma, it can dramatically increase the explosivity of the eruption. However, water in the eruption cloud can also increase the rate at which the particles aggregate into larger clumps, allowing ...

NASA eyes Post-Tropical Storm Nuri's winds, now to affect Alaska

NASA's newest Earth observing mission, the International Space Station-Rapid Scatterometer, or ISS-RapidScat provided a look at the winds within post-tropical cyclone Nuri on Nov. 5 and 6 as it moved parallel to Japan. Nuri ...

Genevieve Downgraded to a tropical storm

Once Super Typhoon Genevieve has now been downgraded to a tropical storm. The storm is located approximately 819 nautical miles west-northwest of Midway Island. It is currently tracking northwestward at 8 knots per hour over ...

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