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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.
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.
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 or the Liedu scale used in China, meaning that the scale measures the intensity of an earthquake at a given location instead of measuring the energy an earthquake releases at its epicenter (its magnitude ...
The magnitude 7.1 quake occurred off the country’s northeastern coast late Saturday, local time.
UTC time: 2011-04-11 08:16:12: ISC event: 16416735: USGS-ANSSComCat: Local date: 11 April 2011: Local time: 17:16 JST: Magnitude: 6.6 M w [1]: Depth: 13 km (8 mi) Epicenter: 1]: Type: Dip-slip: Areas affected: Japan: Max. intensity: MMI VIII (Severe) JMA 6−: Peak acceleration: 2.11 g 2071.7 Gal: Tsunami: No: Landslides: Yes: Casualties: 4 dead, 10 injured: A potent magnitude 6.6 M w ...
Near the east coast of Honshu, Japan see April 2011 Miyagi earthquake: 38.253 141.640 4 7.1 M w (USGS) Centred 66 km east of Sendai, Honshu, Japan, at a depth of 49 km. [13] April 11, 2011 08:16 Eastern Honshu, Japan see April 2011 Fukushima earthquake: 37.007 140.477 4 7.1 M w (USGS) Centred 36 km west of Iwaki, Honshu, Japan, at a depth of 13 ...
The Japan Meteorological Agency (JMA) Seismic Intensity Scale [1] (known in Japan as the Shindo seismic scale) [2] is a seismic intensity scale used in Japan to categorize the intensity of local ground shaking caused by earthquakes. Map of Japan showing the distribution of maximum JMA Seismic Intensities by prefecture for the 2011 Tōhoku ...
2011-03-19T05:31:54Z Sae1962 874x781 (185981 Bytes) Changed the magnitude of the earthquake from 8,9 to 9,0 on the Richter scale only. 2011-03-18T12:28:32Z Kintetsubuffalo 874x781 (166800 Bytes) Reverted to version as of 15:02, 16 March 2011 per WPMOS on borders; 2011-03-17T19:26:29Z W.Rebel 874x781 (167455 Bytes) a common appearance as the other