Shiva Purana
सर्वप्रायेण महतातीव तप्ते शिलातले॥ आस्फालयंति तरसा वज्रेणेव महाद्रुमान्॥ १४॥
Almost all of them are very hot on the rock bottom. They shatter the great trees with their speed like thunderbolts.
english translation
sarvaprAyeNa mahatAtIva tapte zilAtale॥ AsphAlayaMti tarasA vajreNeva mahAdrumAn॥ 14॥
hk transliteration by Sanscript