Tsunami "Wave Train" Many people have the mistaken belief that tsunamis are single waves. They are not. Instead tsunamis are "wave trains" consisting of multiple waves. The chart on this page is a tidal gauge record from Onagawa, Japan beginning at the time of the 1960 Chile earthquake. Tsunami Types. There are three (3) broad types of tsunamis: Local Tsunami. This is a tsunami where its destructive effects are experienced on coasts within 100 km from the source of the tsunami. In such cases, the travel timefor the tsunami is generally less than one (1) hour. CAUSES AND TYPES OF TSUNAMI Introduction. The term Tsunami has been derived from a Japanese term Tsu meaning 'harbor' and nami meaning 'waves'. Types of Tsunami. A tidal wave tsunami is a type of tsunami caused by the gravitational pull of the moon and sun on the Causes of Tsunami. A Tsunami can All Types of Tsunamis Local Tsunami. A local tsunami is a tsunami that causes damage in relatively close proximity to the tsunami-causing Regional Tsunami. A regional tsunami is one that causes damage from 100 km to 1,000 km from the underwater event that Distant Tsunami. A distant tsunami, lBJm.

2 types of tsunami