Historical tsunamis · May 3, 2006, 3:26 PM UTC
2006 Tonga tsunami
Tonga
The tsunami of May 3, 2006, 3:26 PM UTC originated near Tonga (Tonga).
Key facts
- Date
- May 3, 2006, 3:26 PM UTC
- Cause
- Earthquake
- Magnitude
- M8.0
- Depth
- 55 km
- Maximum documented water height
- 0.27 m
- Injuries
- 1
- Damage
- limited (under US$ 1 million)
- Observation records
- 55
- Countries affected
- 17
It was triggered by a magnitude 8.0 earthquake at a depth of 55 km.
The highest documented water height was 0.27 m (Crescent City, Ca, United States).
55 observation sites in 17 countries are recorded.
Outside the source country, the earliest documented arrival was at Pago Pago, American Samoa (USA Territory) after 0:48 h.
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
55Each 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) · May 3, 2006, 3:26 PM UTC
- 0:33 hTonga · Nukualofa (Nuku'alofa) · 0.21 m
- 0:48 hUSA Territory · Pago Pago, American Samoa · 0.27 m
- 0:57 hSamoa · Apia, Upolu Island · 0.04 m
- 1:43 hCook Islands · Rarotonga · 0.07 m
- 1:53 hFiji · Suva, King's Wharf · 0.04 m
- 2:23 hTuvalu · Funafuti
- 3:28 hFrench Polynesia · Papeete, Tahiti · 0.12 m
- 3:38 hVanuatu · Port Vila, Efate Island · 0.23 m
- 3:51 hNew Caledonia · Noumea · 0.24 m
- 6:13 hUnited States · Kawaihae, Hawaii, Hi · 0.09 m
- 10:28 hJapan · Hanasaki · 0.08 m
- 12:04 hCanada · Winter Harbor, British Columbia · 0.05 m
- 14:19 hCosta Rica · Quepos · 0.08 m
31 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| 23 | 0.27 m Crescent City, Ca | — | 6:13 h | |
| USA Territory | 2 | 0.27 m Pago Pago, American Samoa | — | 0:48 h |
| 1 | 0.24 m Noumea | — | 3:51 h | |
| 1 | 0.23 m Port Vila, Efate Island | — | 3:38 h | |
| 1 | 0.22 m Ensenada | — | — | |
| 1 | 0.21 m Niue | — | — | |
| 1 | 0.21 m Nukualofa (Nuku'alofa) | — | 0:33 h | |
| 1 | 0.20 m Spring Bay, Tasmania | — | — | |
| 1 | 0.12 m Papeete, Tahiti | — | 3:28 h | |
| 9 | 0.08 m Jackson Bay | — | — | |
| 2 | 0.08 m Hanasaki | — | 10:28 h | |
| 1 | 0.08 m Quepos | — | 14:19 h | |
| 1 | 0.07 m Rarotonga | — | 1:43 h | |
| 6 | 0.05 m Victoria, British Columbia | — | 12:04 h | |
| 2 | 0.04 m Suva, King's Wharf | — | 1:53 h | |
| 1 | 0.04 m Apia, Upolu Island | — | 0:57 h | |
| 1 | — | — | 2:23 h |
Highest documented water heights
15 / 55Individual 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 |
|---|---|---|---|
| Crescent City, Ca · Ca | 0.27 m | 8,569 km | United States |
| Pago Pago, American Samoa · As | 0.27 m | 749 km | USA Territory |
| Kahului, Maui, Hi · Hi | 0.25 m | 4,934 km | United States |
| Noumea | 0.24 m | 2,032 km | New Caledonia |
| Port Vila, Efate Island | 0.23 m | 1,869 km | Vanuatu |
| Ensenada · Baja California | 0.22 m | 8,409 km | Mexico |
| Niue | 0.21 m | 458 km | Niue |
| Nukualofa (Nuku'alofa) | 0.21 m | 152 km | Tonga |
| Spring Bay, Tasmania | 0.20 m | 4,323 km | Australia |
| Santa Barbara, Ca · Ca | 0.18 m | 8,347 km | United States |
| Honolulu, Oahu, Hi · Hi | 0.14 m | 4,919 km | United States |
| Nawiliwili, Kauai, Hi · Hi | 0.14 m | 4,931 km | United States |
| Point Reyes, Ca · Ca | 0.13 m | 8,370 km | United States |
| Papeete, Tahiti · Society Islands | 0.12 m | 2,601 km | French Polynesia |
| Santa Monica, Ca · Ca | 0.10 m | 8,407 km | United States |
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.