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The Tōkai earthquakes ( Japanese: 東海地震) are major earthquakes that have occurred regularly with a return period of 100 to 150 years in the Tōkai region of Japan. The Tōkai segment has been struck by earthquakes in 1498, 1605, 1707, and 1854. [ 1] Given the historic regularity of these earthquakes, Kiyoo Mogi in 1969 pointed out that ...
List of earthquakes in Japan. Earthquakes M5.5+ around Japan (1900–2016) M7.0–7.9=163 EQs, M8.0+=14 EQs. [1] This is a list of earthquakes in Japan with either a magnitude greater than or equal to 7.0 or which caused significant damage or casualties. As indicated below, magnitude is measured on the Richter magnitude scale ( ML) or the ...
Ankō Outcrop in the village of Ōshika in Nagano Prefecture is a natural monument of Japan. Japan Median Tectonic Line (中央構造線, Chūō Kōzō Sen), also Median Tectonic Line ( MTL ), is Japan's longest fault system. [ 3][ 4] The MTL begins near Ibaraki Prefecture, where it connects with the Itoigawa-Shizuoka Tectonic Line (ISTL) and ...
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 1944 Tōnankai earthquake occurred at 13:35 local time (04:35 UTC) on 7 December. It had an estimated magnitude of 8.1 on the moment magnitude scale (making it the strongest known earthquake of 1944) and a maximum felt intensity of greater than 5 Shindo (about VIII ( Severe ) on the Mercalli intensity scale ).
The 1707 Hōei earthquake (宝永地震, Hōei jishin) struck south-central Japan at around 13:45 local time on 28 October. It was the largest earthquake in Japanese history [1] until it was surpassed by the 2011 Tōhoku earthquake. [4] It caused moderate-to-severe damage throughout southwestern Honshu, Shikoku and southeastern Kyūshū. [5]
The Intensity 7 ( 震度7, Shindo 7) is the maximum intensity in the Japan Meteorological Agency seismic intensity scale, covering earthquakes with an instrumental intensity (計測震度) of 6.5 and up. [15] At Intensity 7, it becomes impossible to move at will. [13] The intensity was created following the 1948 Fukui earthquake.
Japan is one of the most earthquake-prone places on earth. A massive quake in 2011 caused a tsunami that destroyed huge swaths of northern Japan and caused a meltdown at the Fukushima nuclear plant.