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Tsunamis in the Sea of Japan have been observed to arrive faster than those along Japan's Pacific coast. [100] Tsunami modelling executed by the University of Tokyo and Building Research Institute of Japan computed the tsunami to be 3.6 m (12 ft) in Suzu; 3 m (9.8 ft) in Noto; 2.5 m (8 ft 2 in) in Shika and 2 m (6 ft 7 in) in Jōetsu, Niigata.
In some regions, tsunami sirens are used to help alert the public. The Pacific Tsunami Warning Center (PTWC), located on Ford Island, Hawaii, is one of two tsunami warning centers in the United States, covering Hawaii, Guam, American Samoa and the Northern Mariana Islands in the Pacific, as well as Puerto Rico, the U.S. Virgin Islands and the British Virgin Islands in the Caribbean Sea.
A tsunami warning was hoisted for the entire west coast of the United States, Hawaii and eastern coasts of Japan on Saturday morning after an earthquake struck near Tonga in the South Pacific.
The last tsunami warning in the San Francisco Bay Area followed a 9.1 earthquake in Tohoku, Japan that sparked a major nuclear accident at the Fukushima-Daiichi nuclear power plant in March 2011 ...
Scientists recorded a slow-slip event in 2011 before the magnitude-9 Tohoku earthquake and tsunami in Japan, which killed more than 18,000 people and touched off the Fukushima nuclear disaster.
Japan has a nationwide Tsunami Warning system (Japanese: 大津波警報・津波警報・津波注意報).The system usually issues warnings a few minutes after an Earthquake Early Warning (EEW) is issued, should waves be expected, [1] [2] usually when a combination of high magnitude, seaward epicenter and vertical focal mechanism is observed.
A 7.5 magnitude earthquake struck Japan on Monday afternoon, triggering a tsunami alert and prompting an official warning to residents to evacuate affected coastal areas as soon as possible.
How does the Tsunami Warning System Work? Archived 2012-03-19 at the Wayback Machine; National Tsunami Warning Center; NOAA Tsunami Warnings and Forecasts Archived 2011-04-18 at the Wayback Machine; Tsunami Warning Signs on the Enshu Coast of Japan Shore & Beach, Vol. 78, No. 1, pp. 52–54, 2010; Joint Australian Tsunami Warning Centre