Historical tsunamis · Jul 18, 2015, 2:27 AM UTC
2015 Santa Cruz Islands tsunami
Solomon Islands
The tsunami of Jul 18, 2015, 2:27 AM UTC originated near Santa Cruz Islands (Solomon Islands).
Key facts
- Date
- Jul 18, 2015, 2:27 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.0
- Depth
- 11 km
- Maximum documented water height
- 0.09 m
- Observation records
- 5
- Countries affected
- 3
It was triggered by a magnitude 7.0 earthquake at a depth of 11 km.
The highest documented water height was 0.09 m (Lata Wharf, Nendo Is, Santa Cruz Is, Solomon Islands).
5 observation sites in 3 countries are recorded.
Map of observation sites
5Each 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 |
|---|---|---|---|---|
| Solomon Islands | 3 | 0.09 m Lata Wharf, Nendo Is, Santa Cruz Is | — | — |
 New Caledonia | 1 | 0.06 m Lifou Island | — | — |
 Papua New Guinea | 1 | — | — | — |
Highest documented water heights
5 / 5Individual 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 |
|---|---|---|---|
| Lata Wharf, Nendo Is, Santa Cruz Is | 0.09 m | 80 km | Solomon Islands |
| Lifou Island | 0.06 m | 1,186 km | New Caledonia |
| D52406 Bpr, Honiara | 0.01 m | 565 km | Solomon Islands |
| D55023 Bpr, Etd Coral Sea | — | 1,348 km | Papua New Guinea |
| Honiara, Guadalcanal | — | 579 km | Solomon Islands |
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.