On March 11, 2011, a major tsunami struck Honshu Island, Japan, following an earthquake. According to the NOAA/NCEI Global Historical Tsunami Database, the event occurred at 05:46:24.1 UTC and was associated with an earthquake of magnitude 9.1 centered at latitude 38.297 and longitude 142.373. The event carries a validity rating of 4 in the historical record.
Tsunami Measurements and Impacts
The event generated extreme coastal flooding and high water heights along affected areas. The maximum water height recorded for this tsunami reached 39.26 meters.
The human and economic toll was severe. Official records document 18,423 deaths and 6,167 injuries. Financial damage resulting from the disaster is estimated at 220,136.6 million USD.
Frequently asked questions
When did the Honshu Island tsunami occur?
The tsunami occurred on March 11, 2011, at 05:46:24.1 UTC.
What was the magnitude of the earthquake?
The associated earthquake had a magnitude of 9.1.
What was the maximum water height recorded?
The recorded maximum water height reached 39.26 meters.
What were the human and economic impacts?
The event resulted in 18,423 deaths, 6,167 injuries, and 220,136.6 million USD in damages.
Sources and further context
Official datasets support the event-specific facts.