Tsunami

Science / Tides and Currents / Tsunami: A shallow water progressive wave, potentially catastrophic, caused by an underwater earthquake or volcano.

Long Period Waves

Science / Tides and Currents / Long Period Waves: Forced or free waves whose lengths are much longer than the water depth. See tidal wave and tsunami. MORE

National Water Level Observation Network (NWLON)

Science / Tides and Currents / National Water Level Observation Network (NWLON): The network of tide and water level stations operated by the National Ocean Service along the marine and Great Lakes coasts and islands of the United States. The NWLON is composed of the primary and s MORE

Tidal Wave

Science / Geology / Tidal Wave: A term that is incorrectly used in reference to a tsunami. Tsunamis have nothing to do with the tides. MORE

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