Historical tsunamis · Dec 28, 1966, 8:18 AM UTC

1966 Northern Chile tsunami

Chile

The tsunami of Dec 28, 1966, 8:18 AM UTC originated near Northern Chile (Chile).

Key facts

Date
Dec 28, 1966, 8:18 AM UTC
Cause
Earthquake
Magnitude
M7.8
Depth
47 km
Maximum documented water height
0.42 m
Deaths
3
Injuries
6
Houses destroyed
many (about 101–1,000)
Damage
US$ 0.4 million
Observation records
13
Countries affected
6

It was triggered by a magnitude 7.8 earthquake at a depth of 47 km.

The highest documented water height was 0.42 m (Caldera, Chile).

13 observation sites in 6 countries are recorded.

The database records 3 deaths.

Houses destroyed: many (about 101–1,000).

Damage is estimated at US$ 0.4 million.

Map of observation sites

13

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
Chile40.42 m
Caldera
——
United States20.15 m
Hilo, Hawaii, Hi
——
Peru30.10 m
San Juan
——
Ecuador10.10 m
Galapagos Islands
——
USA Territory20.06 m
Pago Pago, American Samoa
——
Kiribati10.03 m
Christmas Island, Line Islands
——

Highest documented water heights

13 / 13

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
Caldera · Atacama0.42 m174 kmChile
Antofagasta · Antofagasta0.22 m207 kmChile
Arica · Arica Y Parinacota0.15 m779 kmChile
Hilo, Hawaii, Hi · Hi0.15 m10,399 kmUnited States
Kahului, Maui, Hi · Hi0.15 m10,589 kmUnited States
Galapagos Islands · Galapagos Islands0.10 m3,396 kmEcuador
San Juan · Ica0.10 m1,216 kmPeru
Pago Pago, American Samoa · As0.06 m10,312 kmUSA Territory
Chimbote · Ancash0.05 m2,001 kmPeru
Easter Island · Valparaiso (Isla de Pascua)0.05 m3,850 kmChile
Matarani · Arequipa0.05 m952 kmPeru
Wake Island · Um0.05 m14,132 kmUSA Territory
Christmas Island, Line Islands0.03 m9,786 kmKiribati

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.