seaquake seaport • sear · · · Info · Definitions · Synonyms · Characters · · seaquake · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an earthquake at the sea bed. Synonyms: submarine earthquake. · · Noun Definition 1 Synonyms · · · submarine earthquake · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 k latin small letter k U+006B q latin small letter q U+0071 s latin small letter s U+0073 u latin small letter u U+0075