The 1293 Kamakura earthquake in Japan occurred at about 06:00 local time on 27 May, 1293. It had an estimated magnitude of 7.1–7.5 and triggered a tsunami

Tsunami

A tsunami is a series of water waves caused by the displacement of a large volume of a body of water, typically an ocean or a large lake...

. The estimated death toll was 23,024. It was Kamakura period

Kamakura period

The is a period of Japanese history that marks the governance by the Kamakura Shogunate, officially established in 1192 in Kamakura by the first shogun Minamoto no Yoritomo....

 in Japan, and serious damage was occurred in Kamakura

Kamakura

Kamakura can refer to:*Japanese name*Kamakura, Kanagawa, a city in Kanagawa Prefecture, Japan*Kamakura shogunate*Kamakura period, a history of Japan*Kamakura , a fictional character in the G.I...

. In the confusions after quake, Hōjō Sadatoki

Hojo Sadatoki

was the ninth shikken of the Kamakura shogunate , and Tokuso from his appointment as regent until his death....

, the Shikken

Shikken

The was the regent for the shogun in the Kamakura shogunate in Japan. The post was monopolized by the Hōjō clan, and this system only existed once in Japanese history, between 1203 and 1333...

 of the Kamakura Shogunate

Kamakura shogunate

The Kamakura shogunate was a military dictatorship in Japan headed by the shoguns from 1185 to 1333. It was based in Kamakura. The Kamakura period draws its name from the capital of the shogunate...

 made a purge against his real powered subordinate, Taira no Yoritsuna. It has been suggested that the reference to a large tsunami is incorrect, although a tsunami deposit

Tsunami deposit

A tsunami deposit is a sedimentary unit deposited as the result of of a tsunami. Such deposits may be left onshore during the inundation phase or offshore during the 'backwash' phase. Such deposits are being used to identify past tsunami events and thereby better constrain estimates of both...

has been found that is consistent with this age.