Regarding the occurence of Tsunami, Veerabrahmendra Swami forecasted it in his "Kaalagnaana"which says
సాగరం లో పెద్ద బడబాలనం పుట్టి గ్రామాలనే మార్చివేస్తుంది
( A great disturbance in sea will change the structure of many villages)
( A great disturbance in sea will change the structure of many villages)