Valmiki Ramayana Yuddha Kanda Sarga 130 Shloka 21
Original Shlokaअश्वानांखुरशब्दैश्चरथनेमिस्वनेन च । शङ्खदुन्दुभिनादेनसञ्चचालेवमेदिनी ।।6.130.21।।
1 source checked for this shloka
अश्वानाम् of the horses, खुरशब्देन by the sounds hoofs, रथनेमिस्वनेनच rattling of the chariots, शङ्खदुन्दुभिघोषेण by the sounds of drums and conches, मेदिनी earth, सञ्चचालेव shook
The earth shook by the sounds of hooves of the horses, sounds of conches and drums, and the rattling of the chariot wheels.