Indian Ocean Quakes and Triple Junction

A marine gravity model of the Central Indian Ocean. Red dots show locations of earthquakes with magnitude above 5.5 and highlight the present-day location of the seafloor spreading ridges and transform faults. The image is centered at the Indian Ocean Triple Junction where three major tectonic plates meet (African plate – left; Indo-Australian plate – right; Antarctic plate bottom. This region of the Indian Ocean is very poorly charted and includes the crash site of the Malaysian aircraft that was lost March 8, 2014. Credit: David Sandwell, Scripps Institution of Oceanography, UC San Diego

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