Your feedback will go directly to Science X editors. Other locations including Iwate, Chiba, Kanagawa, Niigata, and Tokyo had between one and four buildings damaged, although they were minor. You can be assured our editors closely monitor every feedback sent and will take appropriate actions. Japan's meteorological agency said Saturday there was no tsunami risk. [10] The earthquake was followed by multiple aftershocks within less than an hour, three of which registering magnitude 5.3. [8] These intensities were recorded in Fukushima and Miyagi prefectures. The content is provided for information purposes only. Most of the historical tsunamis that cause fatalities are the result of offshore earthquakes at depths of less than 40 km. Exams were originally held on the 15th and 16th of February. The Japan Meteorological Agency also warned about the potential for landslides as the Tohoku and Kanto regions were issued storm warnings on two days after the initial earthquake. [20] It runs from the Boso Triple Junction and ends near Hokkaido, where it joins the Kuril Trench. A 6.8-magnitude earthquake struck off Japan's northeastern coast on Saturday, authorities said, but no tsunami warning was issued. [98] In response to the disaster, service was reduced to one train per hour between Tokyo and Nasushiobara stations. [71], Many television channels were interrupted by early warnings of the earthquake broadcast by the JMA. In response, viewers in some areas were free from viewing fees for stations including Fuji TV and NHK, which exempted fees for viewers in the affected areas for two months. USGS page: M 4.4 - 205 km SSE of Katsuura, Japan. Feb. 13, 2021, at 9:23 a.m. Strong Quake Hits off Japan Coast, Injuring Dozens and Triggering Blackouts. This page was last edited on 20 April 2021, at 11:44. Get weekly and/or daily updates delivered to your inbox. Can an Antarctic ice sheet collapse cause a worldwide tsunami? Class II LPGM will result in people finding it difficult to walk without holding onto something stable, fixtures on casters will move slightly and objects on shelves may fall. Neither your address nor the recipient's address will be used for any other purpose. [27] According to the US Geological Survey, the earthquake struck at a depth of 51.9 km, while the Japanese Meteorological Agency placed its depth at 55 km, a revision from the initial 60 km. [4][3] It also inflicted significant structural damage across the Tōhoku and Kanto regions. By Arata Yamamoto and Adela Suliman. The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. 2 months ago 4.4 magnitude, 42 km depth. [22] The Japan Meteorological Agency observed a maximum intensity of Shindo 5 Lower,[23] or VII (Very strong) according to the US Geological Survey. [76] Smaller waves of 10 cm was observed in ports in Sendai and Soma at 01:21 and 02:48 local time respectively. [83] A 10-meter-long (33 ft) section of the expressway at another location was uplifted. From Fukushima Prefecture, four residents, two from Fukushima City and one each from Koriyama and Koori were inflicted with major lacerations and bruises. Supplemental bus service was also provided on behalf of JR Bus Tōhoku. Saturdays' earthquake started at 11:08 p.m. local time and lasted approximately 30 seconds. A liquor shop's manager clears the damaged bottles following an earthquake in Fukushima, northeastern Japan Saturday, Feb. 13, 2021. Local railway firms suspended services, NHK said, while elevators stopped in some buildings in Miyagi. At least 95 others in the prefecture also had less serious trauma. Landslides were reported at the Joban Expressway, Nihonmatsu and Soma. Therefore, it could be considered an intraplate earthquake. [12] Fukushima Prefecture was the hardest hit with most of the casualties and damage reported. Regular programmes resumed after several hours or days of emergency coverage of the earthquake. [97] This additional damage may cause further implications in the decommissioning process of the nuclear power plant which is expected within several decades. [84], In Sendai, the walkway of an apartment block on the second floor collapsed. Inspections began some 50 minutes after the quake and revealed no anomalies in the reactor units. The 11 March 2011 Tōhoku earthquake struck off the coast of eastern Japan, with an epicenter north of Sendai, and a hypocenter depth of 29 km. [86], On the Jōban Expressway, landslides buried parts of the roadway, and embankments along it collapsed; however, no vehicles were trapped inside the debris. Your opinions are important to us. [81] In the same location, a car ran into the path of a rockfall, resulting in the driver sustaining a minor neck injury. [77], The earthquake resulted in at least 186 people injured across nine prefectures,[4][78][10] with most coming from Fukushima Prefecture, as said by the Fire and Disaster Management Agency. -. No one was injured from the collapse, however one resident was trapped for a while and later rescued through a window. Japan sits on the Pacific "Ring of Fire", an arc of intense seismic activity that stretches through Southeast Asia and across the Pacific basin. Other prefectures including Ibaraki, Tochigi, Gunma, Saitama, Chiba and Kanagawa also reported one or more profound or insignificant injuries. [14], February 2021 earthquake off the Tōhoku coast in Japan, This article is about the earthquake that happened in February 2021. There were no immediate reports of major damage, local media said. The magnitude 7.1 or 7.3 earthquake occurred on a Saturday night at 23:07 JST (14:07 UTC) on 13 February at a shallow focal depth of 51.9 kilometers (32.2 mi). [95], A TEPCO spokesperson said that the leaked water is contained within the reactor buildings, and is not exposed to the outside environment. A 7 quake in Japan indicates a violent, heavy earthquake that can shake people and objects around, destroy buildings, and … So far, a few injuries have been reported and there is no serious structural damage to buildings. The region was also shaken by another strong quake in February that injured dozens. [73], Because of the earthquake's focal depth and size, no formal warning was issued to the Japanese coast. In March, a strong 7.2-magnitude earthquake struck off the northeastern coast. The earthquake left one person dead, and at least 186 injured. The country is regularly hit by quakes, and has strict construction regulations intended to ensure buildings can withstand strong tremors. The Saturday-night earthquake hit … 2021-02-13 16:14:41 UTC at 16:14 February 13, 2021 UTC Location: Epicenter at 37.797, 141.703 71.2 km from Namie (44.2 miles) Eastern Honshu, Japan Another 259 suffered serious structural damage in Fukushima, Miyagi, and Saitama prefectures. [86], Small fires broke out in Sendai and Shiogama in Miyagi as a result of the earthquake. [needs update] He warned of possible strong aftershocks in the next coming weeks. Tsunami heights have been around 35–40 cm (14–16 in) at East Cape and around 15–20 cm (5.9–7.9 in) at Great Barrier Island; 64 cm (25 in) waves were reported in Norfolk Island. [70] It is unknown if the March 20 event is related to the earthquake a month earlier but both were a result of thrust faulting on or near the subduction zone and in the zone of rupture of the 2011 quake. [4], The most severely affected city was Sōma, located some 40 kilometers (25 mi) north of the Fukushima Daiichi Nuclear Power Plant. 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