Valmiki Ramayana Yuddha Kanda Sarga 23 Shloka 4
Original Shlokaवाताश्चकलुषावान्तिकम्पतेचवसुन्धराः । पर्वताग्राणिवेपन्तेपतन्तिचमहीरुहाः ।।6.23.4।।
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वाताः wind, कलुषाः mixed with dust is blowing, वान्ति cracking, वसुन्धराच even the earth, कम्पते shaking, पर्वताग्राणि mountain tops, वेपन्ते breaking, महीरुहाः huge trees, पतन्तिच and falling down.
"The wind is blowing mixed with dust, even the earth is cracking, mountain tops are shaking, and huge trees are breaking and falling down."