Earthquake & tsunami bulletins in the South Pacific Ocean

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay.

in force
1
last 12 months
86
vs previous 12 (95)
-9%
since 1997
3,741

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 1

  1. USGS-US7000TDMSin force2026-09-02
    An earthquake of magnitude 5.9 occurs at 34.981S 109.026W, depth 10 km, on September 26.
    Southern East Pacific Rise

Longest in force

  1. USGS-US7000TDMSin force2026-09-02 · 1 d
    An earthquake of magnitude 5.9 occurs at 34.981S 109.026W, depth 10 km, on September 26.
    Southern East Pacific Rise

By year

97
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the South Pacific Ocean

Archive · 3,740 cancelled

  1. USGS-US7000KAYB2023-06-25 → 2023-06-28
    Earthquake magnitude 6.2 (mww) in 24.082S 175.576W, depth 9 km at 250716Z jun 23
    South of Tonga
  2. USGS-US7000KAR42023-06-23 → 2023-06-26
    141 km se of alo, wallis and futuna
  3. USGS-US7000K9XM2023-06-20 → 2023-06-23
    211 km ene of levuka, fiji
  4. USGS-US7000K9DK2023-06-18 → 2023-06-21
    291 km ssw of ‘ohonua, tonga
  5. USGS-US7000K9D82023-06-18 → 2023-06-21
    Earthquake magnitude 5.7 (mww) in 23.963S 175.851W, depth 10 km at 181429Z jun 23
    Tonga Region
  6. USGS-US7000K98Q2023-06-17 → 2023-06-20
    126 km nne of hihifo, tonga
  7. USGS-US7000K96L2023-06-17 → 2023-06-20
    241 km ssw of ‘ohonua, tonga
  8. USGS-US7000K92J2023-06-16 → 2023-06-19
    266 km ssw of ?ohonua, tonga
  9. USGS-US7000K91W2023-06-16 → 2023-06-19
    254 km ssw of ‘ohonua, tonga
  10. USGS-US7000K8WE2023-06-16 → 2023-06-19
    254 km ssw of ‘ohonua, tonga
  11. USGS-US7000K8VQ2023-06-16 → 2023-06-19
    261 km ssw of ‘ohonua, tonga
  12. USGS-US7000K8QH2023-06-15 → 2023-06-18
    274 km sw of houma, tonga
  13. USGS-US7000K8GG2023-06-14 → 2023-06-17
    Earthquake magnitude 5.5 (mww) in 29.187S 176.778W, depth 18 km at 141653Z jun 23
    Kermadec Islands Region
  14. USGS-US7000K7U02023-06-11 → 2023-06-14
    Earthquake magnitude 5.8 (mww) in 56.917S 147.680E, depth 10 km at 111308Z jun 23
    West of Macquarie Island
  15. USGS-US7000K7M32023-06-10 → 2023-06-13
    177 km ene of labasa, fiji
  16. USGS-US7000K73M2023-06-08 → 2023-06-11
    263 km ese of tadine, new caledonia
  17. USGS-US7000K51S2023-05-30 → 2023-06-02
    70 km sw of la tirana, chile
  18. USGS-US7000K4DC2023-05-27 → 2023-05-30
    Earthquake magnitude 6.0 (mww) in 18.484S 175.185W, depth 222 km at 270011Z may 23
    Tonga
  19. USGS-US7000K4CR2023-05-26 → 2023-05-29
    Earthquake magnitude 6.0 (mww) in 39.006S 091.372W, depth 10 km at 262218Z may 23
    West Chile Rise
  20. USGS-US7000K3PS2023-05-25 → 2023-05-28
    Earthquake magnitude 5.5 (mww) in 23.248S 170.774E, depth 10 km at 251039Z may 23
    Southeast of the Loyalty Islands
  21. USGS-US7000K3FH2023-05-24 → 2023-05-27
    Earthquake magnitude 5.5 (mww) in 56.748S 140.812W, depth 10 km at 241033Z may 23
    Pacific-antarctic Ridge
  22. USGS-US7000K36N2023-05-23 → 2023-05-26
    290 km e of vao, new caledonia
  23. USGS-US6000KDNW2023-05-21 → 2023-05-24
    55 km wnw of kirakira, solomon islands
  24. USGS-US6000KDK82023-05-21 → 2023-05-24
    104 km se of neiafu, tonga
  25. HYDROPAC 1677/232023-05-20 → 2023-05-20
    Earthquake with magnitude of 7.4 has occurred in vicinity 23-06.00S 170-24.00E at 200151Z may
    Western South Pacific
  26. USGS-US6000KDCU2023-05-20 → 2023-05-23
    Earthquake magnitude 6.5 (mww) in 22.956S 170.552E, depth 10 km at 200209Z may 23
    Southeast of the Loyalty Islands
  27. USGS-US6000KDCE2023-05-20 → 2023-05-23
    Earthquake magnitude 7.1 (mww) in 23.042S 170.560E, depth 27 km at 200150Z may 23
    Southeast of the Loyalty Islands
  28. USGS-US6000KD1Z2023-05-19 → 2023-05-22
    Earthquake magnitude 5.6 (mb) in 23.251S 170.435E, depth 29 km at 190454Z may 23
    Southeast of the Loyalty Islands
  29. USGS-US6000KD2A2023-05-19 → 2023-05-22
    Earthquake magnitude 5.5 (mb) in 23.184S 170.552E, depth 34 km at 190310Z may 23
    Southeast of the Loyalty Islands
  30. USGS-US6000KD1F2023-05-19 → 2023-05-22
    Earthquake magnitude 5.9 (mb) in 23.207S 170.718E, depth 33 km at 190306Z may 23
    Southeast of the Loyalty Islands
  31. USGS-US7000K3PV2023-05-19 → 2023-05-22
    Earthquake magnitude 5.5 (mb) in 23.231S 171.009E, depth 34 km at 190303Z may 23
    Southeast of the Loyalty Islands
  32. USGS-US6000KD0N2023-05-19 → 2023-05-22
    Earthquake magnitude 7.7 (mww) in 23.206S 170.742E, depth 18 km at 190257Z may 23
    Southeast of the Loyalty Islands
  33. USGS-US6000KAWN2023-05-10 → 2023-05-13
    82 km wnw of hihifo, tonga
  34. USGS-US6000KABR2023-05-08 → 2023-05-11
    Earthquake magnitude 5.9 (mww) in 56.034S 121.411W, depth 10 km at 080602Z may 23
    Southern East Pacific Rise
  35. USGS-US6000K9QV2023-05-05 → 2023-05-08
    82 km nne of whakatane, new zealand
  36. USGS-US7000JXHX2023-05-02 → 2023-05-05
    124 km ene of hihifo, tonga
  37. USGS-US7000JXBU2023-05-01 → 2023-05-04
    Earthquake magnitude 5.6 (mww) in 22.183S 179.396W, depth 580 km at 011055Z may 23
    South of the Fiji Islands
  38. USGS-US7000JWIW2023-04-28 → 2023-05-01
    Earthquake magnitude 5.6 (mww) in 25.089S 178.440E, depth 577 km at 280351Z apr 23
    South of the Fiji Islands
  39. USGS-US7000JWI22023-04-28 → 2023-05-01
    Earthquake magnitude 5.5 (mww) in 25.140S 178.372E, depth 570 km at 280334Z apr 23
    South of the Fiji Islands
  40. USGS-US7000JWHE2023-04-28 → 2023-05-01
    Earthquake magnitude 6.6 (mww) in 25.150S 178.427E, depth 563 km at 280313Z apr 23
    South of the Fiji Islands
  41. USGS-US7000JWHC2023-04-28 → 2023-05-01
    Earthquake magnitude 6.0 (mb) in 25.147S 178.506E, depth 588 km at 280313Z apr 23
    South of the Fiji Islands
  42. USGS-US7000JVRN2023-04-25 → 2023-04-28
    Earthquake magnitude 5.6 (mww) in 41.359S 086.133W, depth 10 km at 251112Z apr 23
    West Chile Rise
  43. USGS-US6000K6MZ2023-04-24 → 2023-04-27
    Earthquake magnitude 5.5 (mb) in 29.743S 177.600W, depth 35 km at 240105Z apr 23
    Kermadec Islands, New Zealand
  44. USGS-US6000K6MG2023-04-24 → 2023-04-27
    Earthquake magnitude 7.1 (mww) in 29.957S 177.839W, depth 47 km at 240041Z apr 23
    Kermadec Islands, New Zealand
  45. USGS-US6000K6E72023-04-22 → 2023-04-25
    Earthquake magnitude 5.5 (mww) in 35.289S 104.371W, depth 10 km at 221617Z apr 23
    Southeast of Easter Island
  46. USGS-US6000K5872023-04-18 → 2023-04-21
    Earthquake magnitude 6.7 (mww) in 22.319S 179.451E, depth 580 km at 180431Z apr 23
    South of the Fiji Islands
  47. USGS-US6000K1ZT2023-04-04 → 2023-04-07
    62 km w of copiapó, chile
  48. USGS-US6000K0XF2023-03-30 → 2023-04-02
    105 km wsw of constitución, chile
  49. USGS-US7000JMY42023-03-27 → 2023-03-30
    263 km e of levuka, fiji
  50. USGS-US7000JME42023-03-24 → 2023-03-27
    147 km nw of houma, tonga

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Earthquake & tsunami bulletins in the South Pacific Ocean — page 7 · seahazards