Historical tsunamis · Aug 14, 1968, 10:14 PM UTC

1968 Banda Sea tsunami

Indonesia

The tsunami of Aug 14, 1968, 10:14 PM UTC originated near Banda Sea (Indonesia).

Key facts

Date
Aug 14, 1968, 10:14 PM UTC
Cause
Earthquake
Magnitude
M7.8
Depth
23 km
Maximum documented water height
10.0 m
Deaths
200
Injuries
58
Houses destroyed
800
Damage
severe (about US$ 5–25 million)
Observation records
7
Countries affected
2

It was triggered by a magnitude 7.8 earthquake at a depth of 23 km.

The highest documented water height was 10.0 m (Donggala, Indonesia).

7 observation sites in 2 countries are recorded.

The database records 200 deaths.

Houses destroyed: 800.

Damage is estimated at severe (about US$ 5–25 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
Indonesia410.0 m
Donggala
200—
Japan30.06 m
Tosa-Shimizu
——

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
Donggala · Central Sulawesi10.00 m98 kmIndonesia
Tambu · Central Sulawesi10.00 m29 kmIndonesia
Tosa-Shimizu · Kochi0.06 m3,861 kmJapan
Kushimoto · Wakayama0.04 m4,044 kmJapan
Mera · Chiba0.03 m4,371 kmJapan
Mapaga · Central Sulawesi—33 kmIndonesia
Tuguan Island · West Sulawesi—42 kmIndonesia

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.