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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. [ 14 ]
The JMA announced the Earthquake Early Warning hit (accuracy) rate for the 2011 fiscal year on 31 May 2012. The hit rate is the percentage of warnings issued immediately on the detection of P-waves with a Japan Meteorological Agency seismic intensity scale (震度, shindo) number (0 to 7) within one shindo number of the measured earthquake.
On 11 March 2011, at 14:46 JST(05:46 UTC), a Mw 9.0–9.1 underseamegathrust earthquakeoccurred in the Pacific Ocean, 72 km (45 mi) east of the Oshika Peninsulaof the Tōhoku region. It lasted approximately six minutes and caused a tsunami. It is sometimes known in Japan as the "Great East Japan Earthquake"(東日本大震災, Higashi nihon ...
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 ...
Japanese authorities advised people in the coastal region of Fukushima to evacuate immediately due to a possible tsunami with waves of up to 3 metres (9 ft 10 in). [12] Waves of up to one meter in height struck the Fukushima coast about an hour after the earthquake, and public broadcaster NHK reported the presence of a tsunami of 1.4 metres (4 ...
25.7 cm × 37.9 cm (10.1 in × 14.9 in) The Great Wave off Kanagawa ( Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura, lit. 'Under the Wave off Kanagawa') [a] is a woodblock print by Japanese ukiyo-e artist Hokusai, created in late 1831 during the Edo period of Japanese history. The print depicts three boats moving through a storm ...
A devastating tsunami wave hit Hokkaido in Japan as a result of a magnitude 7.8 offshore 80 miles (130 km) on 12 July 1993. Within minutes, the Japan Meteorological Agency issued a tsunami warning that was broadcast on NHK in English and Japanese (archived at NHK library ).
List of earthquakes in Japan. Earthquakes M5.5+ around Japan (1900–2016) M7.0–7.9=163 EQs, M8.0+=14 EQs. [ 1] This is a list of earthquakes in Japan with either a magnitude greater than or equal to 7.0 or which caused significant damage or casualties. As indicated below, magnitude is measured on the Richter magnitude scale ( ML) or the ...