Historical tsunamis · Sep 30, 2007, 5:23 AM UTC
2007 Auckland Islands tsunami
New Zealand
The tsunami of Sep 30, 2007, 5:23 AM UTC originated near Auckland Islands (New Zealand).
Key facts
- Date
- Sep 30, 2007, 5:23 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.4
- Depth
- 10 km
- Maximum documented water height
- 0.35 m
- Observation records
- 8
- Countries affected
- 2
It was triggered by a magnitude 7.4 earthquake at a depth of 10 km.
The highest documented water height was 0.35 m (Fortescue Bay, Tasmania, Australia).
8 observation sites in 2 countries are recorded.
Outside the source country, the earliest documented arrival was at Spring Bay, Tasmania (Australia) after 0:33 h.
Map of observation sites
8Each 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.
- 0:00 hEarthquake (origin) · Sep 30, 2007, 5:23 AM UTC
- 0:33 hAustralia · Spring Bay, Tasmania · 0.10 m
- 3:04 hNew Zealand · Dog Island · 0.25 m
3 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
 Australia | 5 | 0.35 m Fortescue Bay, Tasmania | — | 0:33 h |
| New Zealand | 3 | 0.25 m Dog Island | — | 3:04 h |
Highest documented water heights
8 / 8Individual 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 |
|---|---|---|---|
| Fortescue Bay, Tasmania | 0.35 m | 1,414 km | Australia |
| St. Helens, Tasmania | 0.30 m | 1,516 km | Australia |
| Dog Island | 0.25 m | 453 km | New Zealand |
| Port Kembla | 0.11 m | 1,975 km | Australia |
| Spring Bay, Tasmania | 0.10 m | 1,453 km | Australia |
| Green Island | 0.08 m | 618 km | New Zealand |
| D 55401 Bpr, SE of Hobart, Tasmania | 0.04 m | 375 km | Australia |
| D55015 Bpr, Tasman Sea | — | 375 km | New Zealand |
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.