November 30, 1987 Gulf of Alaska Tsunami Amplitudes

Amplitude listed is either a measured runup (maximum vertical elevation wave reached above sea level at the time of tsunami) or a zero-to-peak tide gage reading. Both are given in meters.

Location Region Latitude Longitude Amplitude (m) Arrival time (day hr. min. UTC) Travel time (hr. min.)
SITKA ALASKA 57.05N 135.34W 0.1 30 20 22 0 59
YAKUTAT ALASKA 59.55N 139.74W 0.5 30 20 15 0 53
SEWARD ALASKA 60.12N 149.43W OBS.
SAN FRANCISCO CALIFORNIA 37.81N 122.47W 0.05 1 0 13 4 50
HILO, HAWAII HAWAII 19.73N 155.06W <0.1
HONOLULU, OAHU HAWAII 21.31N 157.87W <0.1
NAWILLILLI, KAUAI HAWAII 21.96N 159.36W <0.1


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