Valmiki Ramayana Yuddha Kanda Sarga 24 Shloka 2

सागरवर्चसा like the ocean, तेन by that, बलौघेन the army, पीड्यमाना tormented by, वसुन्धरा the earth, वेगेन swift movement, त्रस्ता frightened, प्रचचाल started shaking.

The frightened army (of Vanaras) that was like a tormented ocean started moving swiftly, shaking like the earth.