Todalatantra 7: Toḍalatantra, Saptamaḥ paṭalaḥ

The auspicious Goddess said:
The goddess who consists of great yoga is Khecarī, the supreme kalā.
Without knowledge of yoga there is no siddhi; this is true, O lord of the gods.

Tell me, O god of gods, within the microcosm,
upon what support does the earth with seven continents rest, O Lord?

Of what shape do the seven oceans stand, O Lord?
Human beings and others reside in the earth-cakra in the mūlādhāra.

In what form do all beings of minute form reside?
Tell of the [vital] air according to the measure of one's own finger, O Lord.

The auspicious Śiva said:
The earth with seven continents is situated in the mūlādhāra, O goddess;
the seven oceans are situated in the shape of rings.

Jambudvīpa is in the central region; outside it is the salt ocean.
Śākadvīpa is [next], O great sovereign goddess; outside it is the curd ocean.

Outside that is Śālmalīdvīpa; outside that is the milk ocean.
Outside that is Pāṭalādvīpa; outside that is the ocean of fresh water.

Of whatever form humans and others exist upon the earth, O goddess,
in that very form, O queen of the gods, do creatures exist in the mūlādhāra.

The [vital] air is proclaimed to be ninety-six finger-breadths, O goddess;
and the measure of the station of the sun is proclaimed to be greater.

The auspicious Goddess said:
How great is the world of the macrocosm, tell [me], for an inhabitant of the earth?
Tell what the measure is by a single finger, O ocean of compassion.

The auspicious Śiva said:
By a single finger[-breadth], O queen of the gods, one thousand years are produced;
there are ninety-six thousand years for an inhabitant of the earth.

From the big toe to the ankle, O beloved, is a thousand apertures;
an aperture is a thousand lunar years; from the ankle to the knee joints,

from the knees to the anus the measure is twenty thousand [years];
from the mūlādhāra to the liṅga is four thousand years.

From the liṅga to the navel is seven thousand [years],
and from the navel to the heart is the number of planets in thousands (nine thousand).

From the heart to the throat is the number of sages in thousands (seven thousand);
from the viśuddha and so on to the ājñā, the measure is the number of Rudras in thousands (eleven thousand).

From the ājñācakra to Śiva is indeed the directions in thousands (ten thousand), O Queen of gods;
moreover, the air [traveling beyond] is known to be the number of Suns in thousands (twelve thousand).

Along with the body, decrease and increase occur:
it is sixfold during sexual union, and threefold outside of eating.

In blowing, the air that has increased is said to be eightfold.
By the instruction of a true guru, through the path of mantra, O Pārvatī,

if it is shortened by even one finger-width, he lives for a thousand years.
In this sequence, O Queen of gods, if equilibrium should occur,

having conquered death, O great ruler, he wanders upon the earth like Śambhu.
For this very reason, O great ruler, the yonimudrā was taught by me.

Through prāṇāyāma, O Queen of gods, and likewise through the yonimudrā,
and likewise through the practice of yoga, if the breath becomes equal,

having conquered death, O great ruler, he quickly becomes a mover in the sky.
The whole measure of man has been told, O pleasant-spoken one.

Through the expansion of inhalation and exhalation, Kuṇḍalī moves in the void.
Now tell me the measure of the earth, O Supreme Lord.

Whoever resides in the seven heavens, and whichever Śakti always resides [there],
I wish to hear all that, if you have love for me.

The auspicious Śiva said:
In the mūlādhāra, in the earth-circle, humans and others reside;
by their measure, O Queen of gods, it is indeed half of seventy-two (thirty-six).

Outside of it, O supreme ruler, is the salt ocean, twice as large.
In this sequence, O Queen of gods, each is proclaimed to be doubled.

Brahmā accompanied by Ḍākinī resides in the mūlādhāra, O beautiful one;
Viṣṇu accompanied by Rākiṇī is situated in the svādhiṣṭhāna.

Rudra accompanied by Lākinī is in the maṇipūra, O Queen of gods;
Hara accompanied by Kākinī is in the great lotus of the anāhata.

In the one called viśuddha, the eternal Sākinī and Sadāśiva dwell;
and Hākinī and the god Paraśiva are in the ājñācakra, O Queen of gods.

In the great lotus of the sahasrāra is the universal-formed Supreme Śiva;
Mahākuṇḍalinī resides there eternally, O Queen of gods.

The auspicious Goddess said:
Where, in what root seat, does the great seat exist, O Supreme Lord?
What is the underworld below the mūlādhāra like, O Lord?

The auspicious Śiva said:
Kāmarūpa is in the mūlādhāra; Jālaṃdhara is in the heart, my dear;
Pūrṇagiri is in the lower part, and Uḍḍīyāna is above it.

Vārāṇasī is between the eyebrows; the blazing one is in the three eyes;
Māyāvatī is in the circle of the mouth, and likewise the Eight Cities are in the throat.

At the root of the navel, O great ruler, the city of Ayodhyā is situated;
the seat of Kāñcī is in the region of the hips; Śrīhaṭṭa is in the back region.

A hundred [years] from the mūlādhāra is proclaimed to be Atala;
Sutala is a hundred years, and Talātala a hundred, my dear.

Up to the limit of sages-arrows-moon years (157) resides Mahātala;
Pātāla extends to two hundred, and Rasātala indeed to two hundred.

From the mūlādhāra, O Queen of gods, two finger-widths remain nearby;
between those two, the underworlds reside, O supreme ruler.

Thus the essence of yoga has been declared to you in brief, beloved;
it must never be spoken before a bound soul, even at the end of life.