 Ramba uchiverenga ndima ino - Zvivako zvengarava zvakakanganiswa zvishoma netsunami yakakonzerwa nokudengenyeka kwenyika kwa1960 kuValdiviakure neChile uye zvakare muna 1968 kubva kudengenyeka kwepasi kweTokachi-oki. Zvivako zvengarava zvakaramba zvichiwedzerwa kubva kuma1970 kusvika kuma1990, pamwe chete nedzimwe nzvimbo dzokugara uye kuvakwa kwechitsuwa chengarava. Kufambisa kwakarongwa nguva dzose kwemidziyo yokuendesa zvinhu kuSoutheast Asia kwakatanga muna 1994, kuKorea neUnited States muna 1998, uye kuChina muna 1999. Muna 2001, Hattaro Refrigerated Warehouse yakapedzwa, ichipa Chiteshi cheHachinohe gadziriro yokudzora tembiricha uye yokunyorovesa mvura yokuchengetera zvinhu zvokurima. 