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8 cze 2018 · In fact, devastating tsunamis have struck North America before and are sure to strike again. Especially vulnerable are the five Pacific States — Hawaii, Alaska, Washington, Oregon, and California — and the U.S. Caribbean islands.
1 sie 2022 · The nation's coastlines are vulnerable to the interrelated hazards posed by earthquakes, landslides, and tsunamis. In the marine environment these events often occur in concert, and distant triggers can cause severe local effects, making the issue global in scope.
10 kwi 2023 · While most tsunamis are small and nondestructive or only affect coasts near their source, some tsunamis can cause damage and deaths on distant shores. The most significant distant tsunamis since 1900 originated off Alaska, Chile, Japan, Indonesia, Pakistan, and Russia.
Tsunamis typically consist of multiple waves that rush ashore like a fast-rising tide with powerful currents. When tsunamis approach shore, they behave like a very fast moving tide that extends much farther inland than normal water.
A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions. On September 29, 2009, a tsunami caused substantial damage and loss of life in American Samoa, Samoa, and Tonga. The tsunami was generated by a large earthquake in the Southern Pacific Ocean.
19 kwi 2016 · This explainer educates the reader about tsunamis and NOAA’s role in monitoring the oceans, detecting a tsunami threat, and warning coastal communities when a tsunami is generated. It also discusses joint efforts by local, state, and federal governments to educate the public about the dangers of tsunamis and how to avoid them.
2 kwi 2007 · A tsunami is a series of great sea waves caused by an underwater earthquake, landslide, or volcanic eruption. More rarely, a tsunami can be generated by a giant meteor impact with the ocean.
