how high was the tallest wave of the tsunamis that arrived in onagawa, japan after the great Chileans earthquakes logo Assessing the potential for tsunami Materials Score Response 1 of 4: 16 feet16 feet Response 2 of 4: 9 feet9 feet Response 3 of 4: 20 feet20 feet Response 4 of 4: 4 feet4 feet activate Submit button to continueSubmit Graphic shows the height of the waves arriving in the Japanese town of Onagawa on May 23, 1960 ; 3 small but higher than high tide waves occur at 3 am, then 4 peaks and drop start at 430 am with highest at 16 feet and lowest near 0