2021 S of Raoul Island, Kermadec Islands tsunami

Key facts

Date

Mar 4, 2021, 7:28 PM UTC

Cause

Earthquake

Magnitude

M8.1

Depth

19 km

Maximum documented water height

1.00 m

Observation records

174

Countries affected

33

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) · Mar 4, 2021, 7:28 PM UTC
2. 1:15 hTonga · Nukualofa (Nuku'alofa) · 0.07 m
3. 1:26 hNew Zealand · East Cape · 0.16 m
4. 2:04 hCook Islands · Rarotonga · 0.05 m
5. 2:10 hFiji · Suva, King's Wharf · 0.08 m
6. 2:42 hAustralia · Norfolk Island · 0.56 m
7. 2:44 hSamoa · Apia, Upolu Island · 0.06 m
8. 2:47 hVanuatu · Aneityum, Vanuatu Islands
9. 2:47 hNew Caledonia · Mare Island · 0.06 m
10. 3:04 hWallis and Futuna (French Territory) · Mata-Utu, Wallis Island · 0.03 m
11. 3:33 hFrench Polynesia · Tubuai · 0.08 m
12. 5:03 hSolomon Islands · Tarekukure, Taro Island · 0.03 m
13. 5:06 hKiribati · Christmas Island, Line Islands · 0.02 m
14. 5:44 hUSA Territory · Palmyra Island · 0.01 m
15. 6:41 hMarshall Islands, Rep. Of · Kwajalein, Marshall Islands · 0.03 m
16. 7:35 hUnited States · Nawiliwili, Kauai, Hi · 0.06 m
17. 7:44 hMicronesia, Fed. States Of · Dekehtik, Pohnpei · 0.13 m

140 places with a documented arrival time

Observations by country

Country	Observation records	Maximum documented water height	Deaths	Earliest arrival
New Caledonia	10	1.00 m Tadine, Mare Island	—	2:47 h
Australia	13	0.60 m Norfolk Island	—	2:42 h
Ecuador	3	0.48 m Santa Cruz Island	—	14:05 h
Vanuatu	5	0.32 m Port Vila, Efate Island	—	2:47 h
Chile	31	0.31 m Bahia Mansa	—	8:33 h
United States	24	0.30 m Arena Cove, Ca	—	7:35 h
New Zealand	21	0.29 m Korotiti Bay, Great Barrier Island	—	1:26 h
French Polynesia	9	0.25 m Nuku Hiva Island, Marquesas Islands	—	3:33 h
Peru	1	0.21 m Callao la Punta	—	15:08 h
Japan	7	0.19 m Chichijima Island	—	10:59 h
Mexico	8	0.18 m Puerto Madero	—	10:36 h
Costa Rica	3	0.18 m Quepos	—	14:53 h
Micronesia, Fed. States Of	2	0.13 m Dekehtik, Pohnpei	—	7:44 h
UK Territory	2	0.12 m Port Stanley, Falkland Islands	—	—
Ghana	1	0.11 m Tema	—	23:37 h
Canada	11	0.08 m Ucluelet, British Columbia	—	12:20 h
Fiji	2	0.08 m Suva, King's Wharf	—	2:10 h
Tonga	2	0.07 m Nukualofa (Nuku'alofa)	—	1:15 h
Samoa	2	0.06 m Apia, Upolu Island	—	2:44 h
Russia	1	0.06 m Vodopadnaya, Kamchatka	—	—
Cook Islands	1	0.05 m Rarotonga	—	2:04 h
USA Territory	2	0.04 m Midway Islands	—	5:44 h
Mauritius	2	0.04 m Port Louis Harbour	—	16:59 h
Antarctica	2	0.04 m Vernadsky Faraday, Argentine Isl	—	11:46 h
Reunion (French Territory)	1	0.04 m Reunion	—	17:27 h
French Southern and Antarctic Territories	1	0.03 m Kerguelen	—	—
Marshall Islands, Rep. Of	1	0.03 m Kwajalein, Marshall Islands	—	6:41 h
Wallis and Futuna (French Territory)	1	0.03 m Mata-Utu, Wallis Island	—	3:04 h
Solomon Islands	1	0.03 m Tarekukure, Taro Island	—	5:03 h
Kiribati	1	0.02 m Christmas Island, Line Islands	—	5:06 h
Papua New Guinea	1	0.02 m Lombrum, Admiralty Islands	—	8:52 h
Naoero	1	0.02 m Nauru	—	—
El Salvador	1	0.01 m La Union	—	16:10 h

Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.

More tsunamis