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The earthquake [62]) was a powerful magnitude 6.6 earthquake [63] [64] that occurred 10:13 a.m. local time (01:13 UTC) on July 16, 2007, in the northwest Niigata region of Japan. [63] Eleven deaths and at least 1,000 injuries have been reported, and 342 buildings were completely destroyed, mostly older wooden structures.
The 1946 Nankai earthquake (昭和南海地震 Shōwa Nankai jishin) was a great earthquake in Nankaidō, Japan. It occurred on December 21, 1946, at 04:19 JST (December 20, 19:19 UTC). [1] The earthquake measured between 8.1 and 8.4 on the moment magnitude scale, and was felt from Northern Honshū to Kyūshū.
It was in approximately the same location as the 1896 Sanriku earthquake and it occurred far enough away from the town that shaking did little damage. Approximately three hours after the main shock there was a magnitude 6.8 aftershock , followed by 76 more aftershocks (with a magnitude of 5.0 or greater) over a period of six months. [ 3 ]
In March 2011, the largest earthquake ever recorded in Japan struck off the Sanriku coast, setting off a 10 metres (33 feet) tsunami. The 9.0-magnitude quake near Tohoku was comparable in scale to undersea seismic events near Indonesia in 2004 (3rd largest on record) and near Chile in 2010 (6th largest). [ 13 ]
A future great earthquake involving rupture along this and possibly other segments has been proposed as a major risk for the southern coast of Honshu. [6] In 1999, the likelihood of the occurrence of a great earthquake in the Tokai area in the 2000–2010 period was estimated to be in the range of 0.35–0.45. [7]
The 1854 Nankai earthquake occurred at about 16:00 local time on 24 December. It had a magnitude of 8.4 and caused a damaging tsunami . More than 30,000 buildings were destroyed and there were at least 3,000 casualties.
The Japan Meteorological Agency issued an Earthquake Early Warning at 23:08:10.2 or 10 seconds after the earthquake was detected, in all of Miyagi and Fukushima prefecture, the Murayama and Oki districts in Yamagata prefecture, and the northern and southern inland areas of Iwate prefecture. Announced were made in the northern Ibaraki prefecture.
M w [36] Foreshock to the next earthquake on 22 May. 1960 Concepción earthquakes: 22 May 1960 15:11 (local time) Valdivia, Chile: 6,000 9.5 M w [37] The largest earthquake in recorded history. 1960 Valdivia earthquake: 13 October 1963 15:17 (local time) Kuril Islands, USSR (present-day Russia) 0 8.5 M w [38] One of the largest earthquake in ...