Historical tsunamis · Dec 27, 2003, 4:00 PM UTC

2003 Loyalty Islands tsunami

New Caledonia

The tsunami of Dec 27, 2003, 4:00 PM UTC originated near Loyalty Islands (New Caledonia).

Key facts

Date
Dec 27, 2003, 4:00 PM UTC
Cause
Earthquake
Magnitude
M7.3
Depth
10 km
Maximum documented water height
0.15 m
Observation records
2
Countries affected
2

It was triggered by a magnitude 7.3 earthquake at a depth of 10 km.

The highest documented water height was 0.15 m.

2 observation sites in 2 countries are recorded.

Outside the source country, the earliest documented arrival was at Port Vila, Efate Island (Vanuatu) after 0:51 h.

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.

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) · Dec 27, 2003, 4:00 PM UTC
  2. 0:51 hVanuatu · Port Vila, Efate Island · 0.08 m

1 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Vanuatu10.08 m
Port Vila, Efate Island
—0:51 h
New Caledonia1———

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
Port Vila, Efate Island0.08 m496 kmVanuatu
Noumea—347 kmNew Caledonia

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.