Beginning from Pātālaloka, a fire grows, emanating from the mouth of Lord Saṅkarṣaṇa. Its flames shooting upward, driven by great winds, it scorches everything in all directions.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
पातालतलमारभ्य सङ्कर्षणमुखानलः । दहन्नूर्ध्वशिखो विष्वग्वर्धते वायुनेरितः
pātālatalamārabhya saṅkarṣaṇamukhānalaḥ | dahannūrdhvaśikho viṣvagvardhate vāyuneritaḥ
SB 11.3.10