Tsunami hit off New Zealands s1180033 Takahiro Hidano
Contents● Introduction● Tsunami hit off New Zealands● Behavior of Tsunami● The arrival expectation time to the tsunami● Result of a measurement● Conclusion
Introduction The tsunami might occasionally give the damage that is much heavier than an earthquake. Depending on the volume of tsunami, drain it into a building and theperson offing of the downtown. And the town completely disappears and does a stripe.
Tsunami hit off New ZealandsWhere:161km east of Raoul Island of the Kermadec IslandsWhen:7:03 on Thursday(New Zealand local time)Epicenter :Depth of 20 kmSeismic intensity:7.6
Behavior of Tsunami● Spread on a concentric circle.● A wave comes continually.● First-wave may not be the highest.● The seawater pushed up is pulled to the offing later.
The arrival expectation timeto the tsunam on New Zealand Area Time East Cape A.M 8:52 North Cape A.M 8:54 Gisborne A.M 8:59 Auckland A.M 10:00In the East Cape, the arrival of the tsunami of thetsunami was expected.
Result of a measurementBy the expectation, it was thought thistsunami was destructive so as to giveheavy damage to the neighboring towns.However, the tsunami was not so high inmany islands, and a tsunami wasobserved from 60 cm to 1m in RaoulIsland.
ConclusionThe tsunami has relations in an oceancurrent and the topography of the sea.That topography and ocean current mayoccasionally become the factor to letamplify a tsunami.