Valmiki Ramayana Bala Kanda Sarga 40 Shloka 23
Original Shlokaतत: प्रागुत्तरां गत्वा सागरा: प्रथितां दिशम्।।1.40.23।। रोषादभ्यखनन् सर्वे पृथिवीं सगरात्मजा:।
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तत: Subsequently, सागरा: sons of Sagara, प्रथिताम् celebrated, प्रागुत्तरां दिशम् towards northeastern region, गत्वा having gone, सर्वे all, सगरात्मजा: sons of Sagara, रोषात् with wrath, पृथिवीम् earth, अभ्यखनन् began to dig.
Subsequently, the sons of Sagara, having gone towards the celebrated northeastern region began to dig with wrath.