New force driving Earth's tectonic plates discovered

Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists at Scripps Institution of Oceanography at UC San Diego have ...

New explanation for Hawaiian hot spot

(PhysOrg.com) -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than being fed by a hot ...

Hawaiian hot spot has deep roots

(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart or collide, but ...

Rotation is key to understanding volcanic plumes

(PhysOrg.com) -- A 200-year-old report by a sea captain and a stunning photograph of the 2008 eruption of Mount Chaiten are helping scientists at the University of Illinois better understand strong volcanic plumes.

Scientists capture sounds of volcanic thunder

Researchers report in a new study that they've documented rumblings of volcanic thunder for the first time, a feat considered nearly impossible by many volcanologists.

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