Matsya Purana — Glory of Tīrtha-Śrāddha: Best Times
गोकर्णं गजकर्णं च तथा च पुरुषोत्तमः द्वारका कृष्णतीर्थं च तथार्बुदसरस्वती //
gokarṇaṃ gajakarṇaṃ ca tathā ca puruṣottamaḥ dvārakā kṛṣṇatīrthaṃ ca tathārbudasarasvatī //
Gokarṇa, Gajakarṇa, and likewise Puruṣottama; Dvārakā, the sacred ford called Kṛṣṇa-tīrtha, and also the Sarasvatī of Arbuda—these too are renowned holy places.
This verse does not describe pralaya; it enumerates celebrated tīrthas, emphasizing sacred geography rather than cosmic dissolution.
By highlighting tīrtha-sites, it supports the householder/kingly duty of dharmic patronage—undertaking or supporting pilgrimage, maintaining holy places, and honoring Vishnu/Krishna-associated kṣetras.
The ritual takeaway is tīrtha-bathing and pilgrimage to named sacred sites; the verse implies established shrine-culture at places like Dvārakā and Puruṣottama, though it does not give explicit Vāstu rules.