What was the magnitude of the 2011 Tōhoku earthquake and when did it occur?
The 2011 Tōhoku earthquake registered a magnitude between 9.0 and 9.1 on the moment magnitude scale and struck at 14:46:24 JST on the 11th of March 2011.
Short answers, pulled from the story.
The 2011 Tōhoku earthquake registered a magnitude between 9.0 and 9.1 on the moment magnitude scale and struck at 14:46:24 JST on the 11th of March 2011.
Official figures released in 2021 reported 15,894 deaths directly caused by the earthquake and tsunami with another 2,526 people remaining missing as of recent counts.
Tsunami waves reached heights of up to 40.5 meters at the Aneyoshi fishery port near Miyako in Iwate Prefecture and climbed up a mountain slope reaching 185 meters above sea level at Tarō, Iwate.
Tsunami waves overtopped seawalls at the Fukushima Daiichi Nuclear Power Plant causing three reactors to suffer meltdowns leading to severe cooling failures and hydrogen gas explosions.
Total estimated economic damage exceeded $300 billion making it the costliest natural disaster in history while early estimates placed insured losses between US$14.5 billion and $34.6 billion.