Model Reveals the Workings of Hotspot Volcanoes
Source: LBNL TABL and Dan Hawkes
A group of scientists including ESD geophysicist Barbara Romanowicz has detected previously unknown channels of slow-moving seismic waves in Earth’s upper mantle, a discovery that helps explain “hotspot volcanoes” that give birth to island chains such as Hawaii and Tahiti.
For more information, go to: http://today.lbl.gov/2013/09/12/new-model-of-earth%E2%80%99s-interior-reveals-clues-to-hotspot-volcanoes/French, S. V. Lekic, and B. Romanowicz (2013), Waveform tomography reveals channeled flow at the base of the oceanic asthenosphere. Science Express, DOI: 10.1126/science.1241514.