On October 28, 1707 (CE), a major tsunami struck the Nankaido region of Japan. According to the NOAA/NCEI Global Historical Tsunami Database, the event was associated with an earthquake and produced a maximum water height of 25.7 meters. The historical database records 5,000 deaths resulting from the event.
Event Characteristics and Measurements
The historical record documents several key metrics for the October 28, 1707 (CE) event in Japan at latitude 33.2 and longitude 134.8. The associated earthquake reached a magnitude of 8.4, and the tsunami achieved a validity rating of 4 in the database, indicating a definite tsunami occurrence. The maximum water height reached 25.7 meters at its peak recorded point, representing the maximum recorded runup rather than a uniform height across all affected coastlines.
Frequently asked questions
When did the Nankaido tsunami occur?
The Nankaido tsunami occurred on October 28, 1707 (CE) at approximately 5.0 hours UTC.
What was the magnitude of the earthquake associated with the tsunami?
The earthquake associated with the 1707 Nankaido tsunami had a magnitude of 8.4.
What was the maximum water height recorded for this event?
The maximum recorded water height for the tsunami was 25.7 meters.
How many fatalities were recorded?
The historical database records 5,000 deaths for this event.
Sources and further context
Official datasets support the event-specific facts.