Valmiki Ramayana Kishkindha Kanda Sarga 39 Shloka 9

तेन by that, रजसा by the dust, मूर्छता by the spread, दिशः sides, पर्याकुलाश्च became mixed up, सशैलवनकानना including mountains, gardens and forests, सर्वा all, मही च and earth, चचाल was shaken.

By the spreading of dust, the quarters were not visible.The earth including the mountains gardens and forests was shaken up.