And their long wavelengths mean they lose very little energy along the way. This depends on both the size of the tsunami and your distance from the source. A tsunami occurs when a large body of water, such as an ocean or sea, experiences displacement that causes a long-wavelength wave of water to reach the shore. It would depend on a number of factors. Best Answers.
Tsunami waves can hit for a few. About 75% of tsunamis occur at subduction zones, including some of the largest in recent history such as the 2004 Indian Ocean (Boxing Day) tsunami which claimed more than 250,000 lives. A provocative yet serious question: How can a tsunami ever kill anybody? Going any faster, time would be shortened. Wiki User 2011-03-25 20:04:20. A tsunami can appear in a number of ways. It varies on the distance from land that the earthquake struck (causing the tsunami waves.)
AFAD announced that a 7.4 magnitude earthquake occurred on the offshore of Cuba, according to the news that fell to the agencies last minute. March 11, 2011: Although not nearly as destructive as the 1964 tsunami, a magnitude-9.0 earthquake in the Tohoku region of Japan led strong tsunami currents that … Tsunami ('soo-nar-me') is a Japanese word; 'tsu' meaning harbour and 'nami' meaning wave. The speed of the tsunami on land looked really fast at times, but I don't think that speed was sustained. The magnatude of the event the caused the tsunami. The event contaminated an area almost as large as the state of Connecticut with radiation, forcing mass long-term evacuations. Tsunamis are sometimes incorrectly called tidal waves but have nothing to do with tides. Following devastating Pacific-wide tsunamis in 1946 and 1960, a Pacific tsunami warning system was set up in Hawaii. Where does tsunami appear and how does it occur? An aftershock is a smaller earthquake that follows a larger earthquake, in the same area of the main shock, caused as the displaced crust adjusts to the effects of the main shock. The term "tsunami" is a borrowing from the Japanese tsunami 津波, meaning "harbour wave".For the plural, one can either follow ordinary English practice and add an s, or use an invariable plural as in the Japanese. Large earthquakes can have hundreds to thousands of instrumentally detectable aftershocks, which steadily decrease in magnitude and frequency according to known laws. This depends on both the size of the tsunami and your distance from the source. Believe at Sendai the water reached over 6 miles inland. So what is Tsunami, how can it be? How long do tsunamis last? What is the topography of the impact zone? 0 0. Tsunamis can travel up to 950 kilometres per hour - as fast as a passenger jet! A tsunami can be triggered by earthquakes around the Pacific Ocean including undersea earthquakes with epicenters located only tens of miles offshore the Oregon coast. "At almost precisely 5:12 a.m. local time, a foreshock occurred with sufficient force to be felt widely throughout the San Francisco Bay area. View Images More than 1,500 people died in Rikuzentakata, one of several towns eradicated by a tsunami that hit Japan. It's just a shallow and moving water on land. Over the last century, wave heights of tsunamis in the Pacific Ocean have reached up to 13.5 m (45 ft) above the shoreline near the earthquake source. I did ethnographic fieldwork for my PhD dissertation on the recovery planning process in Japan, from late 2011 to mid-2013, and during this time heard a variety of stories from people who had experienced the tsunami first-hand. A tsunami warning was issued for the region. Meaning, how high is the wave impacting the affected area. At 10 mph, it would take less than 40 minutes to go that distance. Tsunami ('soo-nar-me') is a Japanese word; 'tsu' meaning harbour and 'nami' meaning wave. Here … Tsunami waves move outwards, away from their source. If the first part of a tsunami to reach the coast is a trough, rather than a wave crest, the water along the shoreline is dragged back dramatically, exposing parts of the shore that are normally underwater and stranding many marine creatures. About 75% of tsunamis occur at subduction zones, including some of the largest in recent history such as the 2004 Indian Ocean (Boxing Day) tsunami which claimed more than 250,000 lives. Source: quora.com. Tsunamis are sometimes incorrectly called tidal waves but have nothing to do with tides. How long did the 2011 tsunami in Japan last? Tsunamis can travel up to 950 kilometres per hour - as fast as a passenger jet! How long did the 2011 tsunami in Japan last?