Historical tsunamis · Apr 19, 1955, 8:24 PM UTC

1955 Central Chile tsunami

Chile

The tsunami of Apr 19, 1955, 8:24 PM UTC originated near Central Chile (Chile).

Key facts

Date
Apr 19, 1955, 8:24 PM UTC
Cause
Earthquake
Magnitude
M7.1
Depth
30 km
Maximum documented water height
1.00 m
Deaths
1
Houses destroyed
few (up to about 50)
Damage
limited (under US$ 1 million)
Observation records
7
Countries affected
2

It was triggered by a magnitude 7.1 earthquake at a depth of 30 km.

The highest documented water height was 1.00 m (Coquimbo, Chile).

7 observation sites in 2 countries are recorded.

The database records 1 deaths.

Houses destroyed: few (up to about 50).

Damage is estimated at limited (under US$ 1 million).

Map of observation sites

7

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
Chile41.00 m
Coquimbo
1—
United States30.10 m
Hilo, Hawaii, Hi
——

Highest documented water heights

7 / 7

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
Coquimbo · Coquimbo1.00 m64 kmChile
La Serena · Coquimbo1.00 m72 kmChile
Tongoy · Coquimbo1.00 m55 kmChile
Arica · Arica Y Parinacota0.50 m1,288 kmChile
Hilo, Hawaii, Hi · Hi0.10 m10,451 kmUnited States
Honolulu, Oahu, Hi · Hi0.10 m10,792 kmUnited States
Kahului, Maui, Hi · Hi0.10 m10,644 kmUnited States

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.