Historical tsunamis · Jan 31, 1974, 11:30 PM UTC

1974 Solomon Islands tsunami

Solomon Islands

The tsunami of Jan 31, 1974, 11:30 PM UTC originated near Solomon Islands (Solomon Islands).

Key facts

Date
Jan 31, 1974, 11:30 PM UTC
Cause
Earthquake
Magnitude
M7.0
Depth
34 km
Maximum documented water height
1.50 m
Observation records
2
Countries affected
2

It was triggered by a magnitude 7.0 earthquake at a depth of 34 km.

The highest documented water height was 1.50 m (Korovu, Shortland Island, Solomon Islands).

2 observation sites in 2 countries are recorded.

Map of observation sites

2

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
Solomon Islands11.50 m
Korovu, Shortland Island
——
Papua New Guinea10.08 m
Anewa Bay, Bougainville
——

Highest documented water heights

2 / 2

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
Korovu, Shortland Island1.50 m46 kmSolomon Islands
Anewa Bay, Bougainville · Bougainville0.08 m150 kmPapua New Guinea

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.