seaquake
[ see-kweyk ]
/ ˈsiˌkweɪk /
noun
an agitation of the sea caused by a submarine eruption or earthquake.
Origin of seaquake
First recorded in 1670–80;
sea +
(earth)quake
Words nearby seaquake
seaperch,
seapiece,
seaplane,
seaport,
seaq,
seaquake,
sear,
search,
search dog,
search engine,
search engine optimization
British Dictionary definitions for seaquake
seaquake
/ (ˈsiːˌkweɪk) /
noun
obsolete
an agitation and disturbance of the sea caused by an earthquake at the sea bed. It is now usually described as an earthquake
Scientific definitions for seaquake
seaquake
[ sē′kwāk′ ]
An earthquake originating under the ocean floor. Seaquakes are caused by shifting of the tectonic plates at the bottom of the ocean. The seabed pushes and pulls on the water above it, sending violent pressure waves toward the surface and often creating tsunamis.