Published On: Wed, Aug 28th, 2019

Big one warning: US officials release terrifying simulation of a mega-tsunami | World | News


US officials are on alert after newly-released video simulations from government departments showed what would happen if a mega-tsunami struck the country. The US has long been wary of the Big One, a 9.0-magnitude earthquake along the American west coast. This earthquake, which is long overdue, would immediately unleash a mega-tsunami that would sweep over Washington, Oregon and California within minutes.

New simulation videos from the Department of Natural Resources showed tsunami waves of ten feet or more striking Washington state.

Seismologists, who have been monitoring the the Cascadia Subduction Zone, believe a quake along the lines of 9.0 magnitude happen every 300-600 years.

This means that the next mega-earthquake is overdue, with the last magnitude-9.0 Cascadia subduction zone earthquake in January, 1700.

In the simulations, the first waves reach the coastline in just 15 minutes after the quake begins.

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The simulation shows the tsunami with waves greater than 10 feet high sweeping through Washington state.

Commissioner of Public Lands Hilary Franz said: “We know tsunamis will hit our state.

“It’s a question of when, not if, which means we need to prepare now.

“Our hope is that these stark videos drive home the need for communities to take action to become more secure and resilient.”

The prediction suggests the Aleutian Islands are overdue for an earthquake with a magnitude of 9.0 or higher.

The research from the University of Hawaii at Manoa claims that Hawaii has a nine percent chance of being devastated by a mega-tsunami within the next 50 years.

The threat of a tsunami triggered by a mega-earthquake at the Aleutians would give residents in Hawaii just four hours to evacuate.



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