On the average, two tsunamis occur per year throughout the world which inflict damage near the source. Approximately every 15 years a destructive, ocean-wide tsunami occurs. read more
Major tsunamis occur about once per decade. Based on historical data, about 59% of the world’s tsunamis have occurred in the Pacific Ocean, 25% in the Mediterranean Sea, 12% in the Atlantic Ocean, and 4% in the Indian Ocean. Tsunamis have been reported since ancient times. read more