Historical tsunamis · Aug 11, 1965, 10:31 PM UTC

1965 Vanuatu Islands tsunami

Vanuatu

The tsunami of Aug 11, 1965, 10:31 PM UTC originated near Vanuatu Islands (Vanuatu).

Key facts

Date
Aug 11, 1965, 10:31 PM UTC
Cause
Earthquake
Magnitude
M7.0
Depth
13 km
Maximum documented water height
7.00 m
Damage
moderate (about US$ 1–5 million)
Observation records
4
Countries affected
2

It was triggered by a magnitude 7.0 earthquake at a depth of 13 km.

The highest documented water height was 7.00 m (Malakula (Malekula, Malekoula), Vanuatu).

4 observation sites in 2 countries are recorded.

Damage is estimated at moderate (about US$ 1–5 million).

Map of observation sites

4

Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Vanuatu37.00 m
Malakula (Malekula, Malekoula)
——
USA Territory1———

Highest documented water heights

4 / 4

Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.

Location / stationObserved heightDistance from sourceCountry
Malakula (Malekula, Malekoula)7.00 m33 kmVanuatu
Tongoa Island2.50 m187 kmVanuatu
Port Vila, Efate Island1.20 m246 kmVanuatu
Pago Pago, American Samoa · As—2,382 kmUSA Territory

Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.