Earthquake-the shaking of the ground caused by rock movement along a fault

Seaquake-the undersea earthquake that causes a tsunami

Seismic Sea Wave-a tsunami caused by  an undersea earthquake

Seismograph-an instrument used to predict seaquakes and other earthquakes

Storm Surge-a tsunami caused by any large storm at sea

Tsunami/Tidal wave-a destuctive wave caussed by an undersea earthquake, a largestorm at sea, or a volcano