Potential Local Impact of a Tsunami


OK with tsunamis we can have tsunamis that are formed by the uplift of the ocean floor and that’s usually by fault. So in the news we’ve heard about large faults, earthquakes coming from Japan and from Chile and from Alaska and those are big surges but they’re not going to be coming on land like a wind wave. A Wind wave like we see the surfers out here surfing it’s just affecting the upper 30 feet of the water column and it’s gonna go surfing waves just come on and go back out within a few seconds. The tsunami is a serge of water that’s coming across the ocean and it’s going to flow on land until it runs out of energy and that’s when it comes on land it can be going 30 miles an hour. It’s a very strong wave and it when it comes back out it’s going to be carrying a debris, toxins so we don’t want anyone down in that water or near that water while a tsunami event is happening. The first surge is not always the biggest serge so you can actually have multiples of these waves coming in about every 20 minutes or hours we don’t want people returning to the zone even after the first wave hits because this water can keep coming and going for many many hours. So once again don’t go down the water if we have a tsunami warning. We don’t want you in it and if you’re at the beach and you feel an earthquake it should just be part of our culture that we leave the water, we get to higher ground. Most likely tsunamis offshore, earthquakes offshore are not going to cause a tsunami but geologically we know they can so we want people to realize that if they feel an earthquake they need to leave the beach quickly because of tsunami could be arriving within 15 to 20 minutes.

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