Historical tsunamis · Jul 14, 1971, 6:11 AM UTC

1971 Solomon Sea tsunami

Papua New Guinea

The tsunami of Jul 14, 1971, 6:11 AM UTC originated near Solomon Sea (Papua New Guinea).

Key facts

Date
Jul 14, 1971, 6:11 AM UTC
Cause
Earthquake
Magnitude
M7.9
Depth
47 km
Maximum documented water height
6.00 m
Deaths
3
Injuries
5
Damage
US$ 0.2 million
Observation records
32
Countries affected
6

It was triggered by a magnitude 7.9 earthquake at a depth of 47 km.

The highest documented water height was 6.00 m (Lambon Island, New Ireland, Papua New Guinea).

32 observation sites in 6 countries are recorded.

The database records 3 deaths.

Damage is estimated at US$ 0.2 million.

Map of observation sites

32

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

Tsunami arrival times

Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.

  1. 0:00 hEarthquake (origin) · Jul 14, 1971, 6:11 AM UTC
  2. 0:30 hPapua New Guinea · Rabaul, New Britain · 2.00 m

2 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Papua New Guinea76.00 m
Lambon Island, New Ireland
10:30 h
Marshall Islands, Rep. Of10.24 m
Kwajalein, Marshall Islands
——
Japan150.12 m
Onahama
——
United States50.12 m
Kahului, Maui, Hi
——
USA Territory30.10 m
Midway Islands
——
Micronesia, Fed. States Of10.06 m
Truk Islands, Caroline Islands
——

Highest documented water heights

15 / 32

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
Lambon Island, New Ireland6.00 m141 kmPapua New Guinea
Pomio, New Britain · East New Britain3.00 m264 kmPapua New Guinea
Rabaul, New Britain · East New Britain2.00 m238 kmPapua New Guinea
Sohano, Madehas Island1.50 m81 kmPapua New Guinea
Anewa Bay, Bougainville · Bougainville0.24 m198 kmPapua New Guinea
Kwajalein, Marshall Islands · Mh0.24 m2,199 kmMarshall Islands, Rep. Of
Kahului, Maui, Hi · Hi0.12 m6,156 kmUnited States
Onahama · Fukushima0.12 m4,888 kmJapan
Hanasaki · Hokkaido0.11 m5,467 kmJapan
Hilo, Hawaii, Hi · Hi0.10 m6,245 kmUnited States
Honolulu, Oahu, Hi · Hi0.10 m6,041 kmUnited States
Kushimoto · Wakayama0.10 m4,717 kmJapan
Midway Islands · Hi0.10 m4,840 kmUSA Territory
Nawiliwili, Kauai, Hi · Hi0.10 m5,930 kmUnited States
Aburatsu · Miyazaki0.07 m4,748 kmJapan

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.