On September 1, 1923, at 02:58:37 UTC, an earthquake-associated tsunami struck Sagami Bay, Japan. According to the NOAA/NCEI Global Historical Tsunami Database, the triggering earthquake registered a magnitude of 7.9, with its epicenter located at latitude 35.1 and longitude 139.5. The event generated a maximum recorded water height of 13.0 meters.
Event Impacts and Human Toll
The historical record documents severe consequences resulting from the tsunami and its associated earthquake. The event caused 105,385 deaths and left 52,074 individuals injured. Additionally, financial losses reached 600.0 million USD in recorded damage.
Record Validity and Classification
In the global historical tsunami database, this event carries a validity score of 4, indicating a definite tsunami occurrence confirmed by historical observations and measurements. The cause code for the event is recorded as 1, designating an earthquake origin.
Frequently asked questions
When did the Sagami Bay tsunami occur?
The tsunami occurred on September 1, 1923, at 02:58:37 UTC.
What was the maximum water height recorded during the event?
The maximum recorded water height reached 13.0 meters.
What was the magnitude of the associated earthquake?
The earthquake associated with the tsunami had a magnitude of 7.9.
What were the reported human and financial impacts?
The event resulted in 105,385 deaths, 52,074 injuries, and 600.0 million USD in recorded damage.
Sources and further context
Official datasets support the event-specific facts.