USGS adatinso chivomerezi champhamvu 7.5 chachitika kumwera kwa Alaska, zomwe zidachenjeza m'derali.
Chivomerezichi chinalembetsedwa pafupifupi ma 55 km (90km) kumwera kwa Sand Point, Alaska Lolemba, pakuya pafupifupi 25 miles (40km).
National Weather Service yalengeza za chenjezo la tsunami kwa anthu okhala ku South Alaska ndi ku Alaska Peninsula patangotha chipwirikiticho, koma adati mulingo wangozi ukuwunikirabe "madera ena aku US ndi Canada Pacific ku North America." Palibe kuvulala kapena kuwonongeka kwanyumba komwe kudanenedwapo.
Omwe ali mdera lomwe lakhudzidwa afunsidwa kuti asamukire kumtunda kapena kumalo okwera, kuti apite kutali ndi gombe, komanso madoko, ma marinas ndi madoko. Zivomezi zingapo zidalembedwa pasanapite nthawi yayitali kugunda koyamba, kwakukulu kwambiri pa 5.8 ndi 5.2 kukula, kupitilira 60 miles (100km) kumwera kwa Sand Point, tawuni yaying'ono ku Alaska Peninsula yomwe ili ndi anthu opitilira 1,000.
Kudera lonse la Gulf of Alaska, akuluakulu aku Britain Columbia, Canada ananenanso kuti akuyesa kuwopsa kwa tsunami, ndikupempha nzika kuti ziyimire pomwe zingapemphedwe kuti achoke.
