News From the Field
Hawaiian Hotspot Has Deep Roots
December 3, 2009
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.A classic explanation for oceanic hotspots such as Hawaii has been that they originate from upwellings of hot rock, called mantle "plumes," deep in the Earth's mantle. Evidence for these deep structures has been sketchy, however. Now, a sophisticated array of seismometers deployed on the seafloor around Hawaii has provided the first high-resolution seismic images of a mantle plume extending to depths of at least 1,500 kilometers (932 miles).Full Story
See also: NSF News Release
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