submarine earthquake submarine chaser • submarine patrol boat · · · Info · Definitions · Synonyms · Characters · · submarine earthquake · · Text Common · · Latin · · Scripts 20 · · Length 6 · · Syllables Definitions · · · (noun) an earthquake at the sea bed. Synonyms: seaquake, submarine earthquake. · · Noun Definition 1 Synonyms · · · seaquake · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B m latin small letter m U+006D n latin small letter n U+006E q latin small letter q U+0071 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075