The earthquake triggered tsunami warnings throughout the Pacific basin. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Buildings are damaged by an earthquake-triggered tsunami in Iwaki, Fukushima prefecture, Japan, Friday, March 11, 2011. Terms of Service |  A magnitude-9.0 earthquake struck off Japan’s northeastern coast. This is an alphabetically sorted list of cities and towns severely damaged by the 2011 Tōhoku earthquake and tsunami. At this time, the risk of contamination from radioactive materials and the risk of exposure to radiation are thought to be low, especially for anyone staying at least 50 miles from the nuclear power plant. The largest fault slip ever recorded caused the tsunami that hit Japan. Let us know if you have suggestions to improve this article (requires login). Tsunami waves smashed the coast, causing massive damage and flooding. The great plates are rough and stick together, building up energy that is released as earthquakes. The tsunami also instigated a major nuclear accident at a power station along the coast. A part of the subduction zone measuring approximately 190 miles (300 km) long by 95 miles (150 km) wide lurched as much as 164 feet (50 metres) to the east-southeast and thrust upward about 33 feet (10 metres). The waves completely obliterated such coastal towns as Kuji and Ōfunato and severely damaged much of the infrastructure in eastern Sendai. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia.Japan is an archipelago of 6,852 islands. A wave measuring some 33 feet high inundated the coast and flooded parts of the city of Sendai, including its airport and the surrounding countryside. It is estimated that the initial tsunami wave took 10 to 30 minutes to make its first landfall. In coastal cities, people knew what to do next: run to higher ground. It was centered about 80 miles offshore, and tsunami warnings went up immediately. These environmental hazards shape human activity regionally. 2011 Earthquake, Tsunami, and Radiation Release in Japan: Health Information for Humanitarian Aid Workers The US Department of State and the US Nuclear Regulatory Commission recommend that Americans in Japan remain at least 50 miles (80 km) away … 1. Damaging tsunami waves struck the coasts of Iwate prefecture, just north of Miyagi prefecture, and Fukushima, Ibaraki, and Chiba, the prefectures extending along the Pacific coast south of Miyagi. (Nearly two years later, on December 7, 2012, a magnitude-7.3 tremor originated from the same plate boundary region. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. National Geographic Headquarters Learn more about earthquakes with this curated collection of classroom resources. Here’s a look at the earthquake and tsunami that struck Japan in March of 2011. According to some reports, one wave penetrated some 6 miles (10 km) inland after causing the Natori River, which separates Sendai from the city of Natori to the south, to overflow. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to... Aerial view of damage to a portion of the northeastern coast of Honshu, Japan, following the offshore earthquake and resultant tsunami there on March 11, 2011. She or he will best know the preferred format. A massive tsunami, generated by a powerful undersea earthquake, engulfing a residential area in Natori, Miyagi prefecture, northeastern Honshu, Japan, on March 11, 2011. If a media asset is downloadable, a download button appears in the corner of the media viewer. The four largest islands are Honshu, Hokkaido, Kyushu and Shikoku, together comprising about ninety-seven percent of Japan's land area. ocean waves triggered by an earthquake, volcano, or other movement of the ocean floor. The 2011 earthquake off the Pacific coast of Tōhoku (Japanese: 東北地方太平洋沖地震, Hepburn: Tōhoku-chihō Taiheiyō Oki Jishin) was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicenter approximately 70 kilometers (43 mi) east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately 29 km (18 mi). Any interactives on this page can only be played while you are visiting our website. Here’s a look at the earthquake and tsunami that struck Japan in March of 2011.. 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