SB 10.67.5

kvacit samudra-madhya-stho
 dorbhyām utkṣipya taj-jalam
deśān nāgāyuta-prāṇo
 velā-kūle nyamajjayat
Synonyms: 
kvacit — once; samudra — of the ocean; madhya — in the midst; sthaḥ — standing; dorbhyām — with his arms; utkṣipya — churning up; tat — its; jalam — water; deśān — the kingdoms; nāga — elephants; ayuta — (like) ten thousand; prāṇaḥ — whose vital strength; velā — of the coast; kūle — upon the shore; nyamajjayat — he caused to drown.
Translation: 
Another time he entered the ocean and, with the strength of ten thousand elephants, churned up its water with his arms and thus submerged the coastal regions.