鹿島神宮
[[File:Kashima-kanameishi-shinzu-namazu-e.jpg|thumb|200px|right|「Kashima Keystone」(Ansei Era, 1855)The upper section of this illustration shows the stone in Kashima Shrine while below the god Takemikazuchi is pinning the giant catfish Ōnamazu with his sword.[[Namazu (Japanese mythology)|Ōnamazu]] (大鯰) is said to live below the islands of Japan and when aggravated is the cause of its many earthquakes. Takemikazuchi restrains the catfish through the use of the keystone.]]