Historical tsunamis · Nov 19, 2017, 10:43 PM UTC
2017 Loyalty Islands tsunami
New Caledonia
The tsunami of Nov 19, 2017, 10:43 PM UTC originated near Loyalty Islands (New Caledonia).
Key facts
- Date
- Nov 19, 2017, 10:43 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.0
- Depth
- 10 km
- Maximum documented water height
- 0.37 m
- Observation records
- 6
- Countries affected
- 2
It was triggered by a magnitude 7.0 earthquake at a depth of 10 km.
The highest documented water height was 0.37 m (Ouinne, New Caledonia).
6 observation sites in 2 countries are recorded.
Map of observation sites
6Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| 4 | 0.37 m Ouinne | — | — | |
| 2 | 0.22 m Lenakel, Tanna | — | — |
Highest documented water heights
6 / 6Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Ouinne | 0.37 m | 218 km | New Caledonia |
| Mare Island | 0.28 m | 86 km | New Caledonia |
| Lenakel, Tanna | 0.22 m | 208 km | Vanuatu |
| Lifou Island | 0.19 m | 152 km | New Caledonia |
| Thio | 0.09 m | 254 km | New Caledonia |
| Litzlitz, Malekula Island | 0.02 m | 591 km | Vanuatu |
More tsunamis
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.