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Model Reveals the Workings of Hotspot Volcanoes

Source: LBNL TABL and Dan Hawkes

RomanowiczA 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.

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Citation: 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.