Matsya Purana — Omens in Tripura and the Nārada–Maya Dialogue on Dharma
तदेतान्येवमादीनि उत्पातावेदितानि च वैनाशिकानि दृश्यन्ते दानवानां तथैव च //
tadetānyevamādīni utpātāveditāni ca vaināśikāni dṛśyante dānavānāṃ tathaiva ca //
Such and similar phenomena are proclaimed as portents (utpātas), and they are seen as signs that foretell destruction—so too in the case of the Dānavas.
It frames unusual phenomena as utpātas—recognizable signals that destruction is approaching, aligning with the Purāṇic idea that dissolution is preceded by observable ominous signs.
By treating omens as meaningful warnings, it supports the dharmic duty of vigilance: rulers and householders should respond to signs of disorder with corrective rites, charity, restraint, and protective governance rather than negligence.
While no specific Vāstu rule is stated, the verse underpins ritual practice: utpātas are traditionally met with śānti-karmas (appeasement rites) and protective observances meant to avert or lessen impending ruin.