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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.
When the tsunami's wave peak reaches the shore, the resulting temporary rise in sea level is termed run up. Run up is measured in metres above a reference sea level. [56] A large tsunami may feature multiple waves arriving over a period of hours, with significant time between the wave crests.
25.7 cm × 37.9 cm (10.1 in × 14.9 in) The Great Wave off Kanagawa ( Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura, lit. 'Under the Wave off Kanagawa')[ a] is a woodblock print by Japanese ukiyo-e artist Hokusai, created in late 1831 during the Edo period of Japanese history. The print depicts three boats moving through a storm ...
The tallest wave so far was 1.2 meters (around 4 feet) detected at Wajima Port in Ishikawa at 5:21 p.m (3:21 a.m. ET), according to Japan’s Nippon TV, but had not yet breached the port’s defenses.
The Japanese government estimates that a major earthquake on the Nankai Trough would cause 169.5 trillion yen in direct damage and 50.8 trillion yen in economic losses for the following year. A study by the Japan Society of Civil Engineers in 2018 estimated that the long-term damage from the earthquake could result in 1,240 trillion yen in ...
The most recent Nankai Trough quake happened in 1946 when a magnitude 8 tremor and 6.9-metre (22.6-ft) tsunami waves killed 1,330 people. ($1 = 147.0700 yen) (This story has been refiled to fix a ...
English: This animation shows how PTWC's real-time tsunami forecast model, RIFT, predicts the behavior of the tsunami following the 9.0 magnitude earthquake offshore of the Tōhoku-Oki region, Japan, on 11 March 2011. This version uses the USGS finite fault model (link below) as the source mechanism for the tsunami model, therefore the ...
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.