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A seismogram recorded in Massachusetts, United States. The magnitude 9.1 (M w) undersea megathrust earthquake occurred on 11 March 2011 at 14:46 JST (05:46 UTC) in the north-western Pacific Ocean at a relatively shallow depth of 32 km (20 mi), [9] [56] with its epicenter approximately 72 km (45 mi) east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes.
In Japan, the Shindo scale is commonly used to measure earthquakes by seismic intensity instead of magnitude. This is similar to the Modified Mercalli intensity scale used in the United States, the Liedu scale used in China or the European Macroseismic Scale (EMS), meaning that the scale measures the intensity of an earthquake at a given location instead of measuring the energy an earthquake ...
The figure of 230,000 dead is based on a historical conflation of this earthquake with earthquakes in November 1137 on the Jazira plain and the 1139 Ganja earthquake in the Azerbaijani city of Ganja. The first mention of a 230,000 death toll was by Ibn Taghribirdi in the fifteenth century. [11] 533 Aleppo earthquake: November 29, 533
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.
The asteroid 23649 Tohoku is also named after the area affected by the earthquake to commemorate all the people who died during the disaster, [159] asteroid 29157 Higashinihon is so named in hope for recovery from the earthquake, [160] and asteroid 31152 Daishinsai is also named after the earthquake to commemorate the event and wish for people ...
The catastrophic 9.0-magnitude earthquake and tsunami on March 11, 2011, inflicted massive damage along the east coast of this region, causing 19,759 deaths, [7] and was the costliest natural disaster ever which left 500,000 people homeless along with radioactive emissions from the Fukushima Daiichi nuclear disaster.
The 2011 Tohoku earthquake was the largest earthquake ever recorded in Japan, and is the fourth largest earthquake in recorded history, a tsunami up to 40.5 m (133 ft) high caused 19,745 deaths with 6,242 people injured, and 2,556 people missing.
Japan has had a long history of earthquake catastrophes and seismic activity, the most deadly of which was the 1923 Great Kantō earthquake. In the 21st century, the most severe earthquake that occurred was the 2011 Tohoku earthquake and tsunami. Firefighters attempting to stop a fire after the Great Hanshin earthquake