EARTHQUAKES, TSUNAMIS, AND VOLCANOES IN THE NORTHEASTERN INDIAN OCEAN
NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MS
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The report gives information on earthquakes, tsunamis and volcanoes in the Northeastern Indian Ocean and adjacent land areas. Most of the seismic activity in this region has occurred along the Burma-Sunda arcs, the 89th meridian between 5 degrees N. and 5 degrees S., and southwest of Ceylon. Tsunamis and other large waves have been reported from most coastal sectors in the area. Damage by tsunamis has been restricted to the coasts of Sumatra and adjacent islands. Active volcanoes in the area are located on Sumatra and Barren Island. A submarine eruption was reported on the flank of the Ninety East Ridge in 1883. Mud volcanoes have been reported from the coast of Burma and off the southwest coast of India.
- Physical and Dynamic Oceanography