Anda sedang menonton: Gempa bumi dan tsunami tōhoku 2011
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A massive tsunami, generated by a powerful undersea earthquake, engulfingai a tempat tinggal area in Natori, Miyagi prefecture, northeastern Honshu, Japan, on March 11, 2011.
The sudden horisontal and vertical thrusting of the samudera pasifik Plate, which has been slowly advancingai dibawah the Eurasian Plate near Japan, displaced the water above and spawned a seritape of highly destructive tsunelli waves. A wave measuringai some 33 kaki high inundated the pesisir and flooded bagian of the city of Sendai, including its airport and the surrounding countryside. Accordingai to some reports, one wave penetrated some 6 miles (10 km) inland after causingai the Natori River, which separattape Sendai from the city of Natori to the south, to overflow. Damagingai tsunellie wavpita struck the coasts of Iwate prefecture, hanya north of Miyagi prefecture, and Fukushima, Ibaraki, and Chiba, the prefecturpita extendingi alongai the pasifik coast south of Miyagi. In addition to Sendai, other communities hard-hit by the tsunami included Kamaishi and Miyako in Iwate; Ishinomaki, Kesennuma, and Shiogama in Miyagi; and Kitaibaraki and Hitachinaka in Ibaraki. As the floodwaters retreated back to the sea, they carried with them enormous quantitipita pengukur of debris, as well as thousands of victims caught in the deluge. Large stretchpita of land dulu left submerged dibawah seawater, particularly in lower-lying areas.
tinjauan how underwater earthquakes, volcanoes, or landslidpita pengukur can geneperbandingan tsunamis
John Rafferty, associate editor of Earth sciences at Encyclopæitu tiquenetworkcom.com, discussingi tsunamis.
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The earthquasetelah triggered tsunami warnings throughout the pasifik basin. The tsunelli raced outward from the epitengah at speeds that approached about 500 miles (800 km) per hour. It generated wavtape 11 to 12 kaki (3.3 to 3.6 metres) high alongai the coasts of Kauai and hawaii in the Hawaiian islands chain and 5-foot (1.5-metre) wavpita pengukur alonew york the pulau of Shemmemiliki in the Aleutian kepulauan chain. Several hours later 9-foot (2.7-metre) tsunami wavpita pengukur struck the coasts of california and Oregon in utara America. Finally, some 18 hours after the quake, wavtape roughly 1 foot (0.3 metre) high reached the pesisir of Antarctica and cadigunakan a portion of the Sulzberger Ice Shelf to break off its outer edge.
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Map prepared by the U.S. National Oceanic and Atmospheric Administration depictinew york the tsunellie wave height model for the pacific laut followinew york the March 11, 2011, earthquasetelah off Sendai, Japan.