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[10] Gautama! The crest of the salt ocean is ten thousand yojanas wide, compared to the circumference of the chakravala, and it rises and falls by a little less than half a yojana. O Bhagavan! How many thousand Naga Kumar Devas hold the inner rim of the salt ocean? How many thousand Naga Kumar Devas hold the outer rim? How many thousand Naga Kumar Devas hold the agrodaka? Gautama! Forty-two thousand Naga Kumar Devas hold the inner rim of the salt ocean / Seventy-two thousand Naga Kumar Devas hold the outer rim / Sixty thousand Naga Kumar Devas hold the agrodaka / Thus, the total number of these Naga Kumaras is said to be one hundred and seventy-four thousand. Discussion - The crest of the salt ocean is equal in all directions to the circumference of the chakravala and is ten thousand yojanas in circumference. That crest rises and falls by a little less than half a yojana (two kosas). This is clear as follows: In the salt ocean, there is a gotirtha from Jambudvipa and from Dhaatki-khandadvipa up to ninety-five thousand yojanas. Gotirtha means the land that gradually slopes downwards, entering into ponds, etc. / The middle part is ten thousand yojanas deep. Near the vedika of Jambudvipa and near the vedika of Dhaatki-khandadvipa, the gotirtha is an immeasurable part of an angula. From there onwards, one should understand that the land gradually slopes downwards from the flat land, until a distance of ninety-five thousand yojanas is reached / There is a depth of one thousand yojanas up to a distance of ninety-five thousand yojanas, compared to the flat land / Therefore, near the Jambudvipa vedika and the Dhaatki-khandadvipa vedika, there is an increase in water in that flat land, which is an immeasurable part of an angula. From there onwards, one should understand that the increase in water gradually increases with the increase in land, until a distance of ninety-five thousand yojanas is reached on both sides. Here, there is an increase in water of seven hundred yojanas compared to the flat land / That is, there is a depth of one thousand yojanas from the flat land and an increase in water of seven hundred yojanas above it. From there onwards, in the middle part, there is a depth of one thousand yojanas in a width of ten thousand yojanas and an increase in water of sixteen thousand yojanas. When the air in the Patala-kalasha is disturbed, there is an increase in water above it by a little less than two kosas in a day and night, twice. When the air in the Patala-kalasha is calm, there is no increase in water / This is what is said in these verses: Pancaanauyasahaasse gotittan ubhayano vi lavanassa / Joyanasayaani satta udaga parivuddhivi ubhayo vi // 1 // Dasajoyanasahasssa lavanasiha cakkavalao ruda / Solasasahassa uccaa sahassemegam ca progaadhaa // 2 // Desuunamaddhajoyana lavanasihovari durga duve kaalo. Prairegam airegam parivai haaye va vi // 3 //