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Twenty years on from the Boxing Day Indian Ocean tsunami, there are still things we do not know about the phenomenon. More than 230,000 people died after a 9.1 magnitude earthquake under the sea ...
Small tsunamis can also be caused by intense coastal storms, according to the U.S. Tsunami Warning System. These are known as meteotsunami because they are caused not by underwater earthquakes or ...
Tsunami-proof design of Ocosta Elementary School, Washington. In the United States, there is a recognized lack of tsunami-proof design, especially in vital installations such as aging nuclear reactors in vulnerable regions. [3] For instance, the Unified Building Code of California does not have any provision about designing for tsunamis. [4]
Earthquake modification techniques and modern building codes are designed to prevent total destruction of buildings for earthquakes of no greater than 8.5 on the Richter Scale. [4] Although the Richter Scale is referenced, the localized shaking intensity is one of the largest factors to be considered in building resiliency.
Smaller (M w 4.2) earthquakes in Japan can trigger tsunamis (called local and regional tsunamis) that can devastate stretches of coastline, but can do so in only a few minutes at a time. Landslides The Tauredunum event was a large tsunami on Lake Geneva in 563 CE, caused by sedimentary deposits destabilised by a landslide.
Tsunamis can be extremely deadly if sparked by a massive earthquake. In 2004 a tsunami in the Indian Ocean pummeled multiple nations in Asia and caused at least 225,000 deaths along with massive ...
A tsunami and seiche in Lake Tahoe can be treated as shallow-water long waves as the maximum water depth is much smaller than the wavelength. This demonstrates the impact that lakes have on tsunami wave characteristics, which is different from ocean tsunami wave characteristics because the ocean is deeper, and lakes are relatively shallow in ...
"Tsunamis are rare, but can be extremely deadly. For perspective, roughly 230,000 people lost their lives in the 2004 Indian Ocean Tsunami, the deadliest natural disaster of the 21st century."