Tsunamis Fast Facts KSPR ... a landslide, volcanic eruption, or slippage of the boundary between two of the earth's tectonic plates - slabs of rock 50 to 650 feet (15 to 200 km) thick that carry the Earth's continents and seas on an underground ocean of much hotter, semi-solid ... |
from cnn WORLD OCEANS - Google News http://ift.tt/1uZaEJl
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