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
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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
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A
M
J
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A
S
O
N
D

Other hazards in the South Pacific Ocean

Archive · 3,740 cancelled

  1. USGS-US6000EYWM2021-07-25 → 2021-07-28
    Earthquake magnitude 5.7 (mww) in 29.754S 176.680W, depth 10 km at 251017Z jul 21
    Kermadec Islands Region
  2. USGS-US6000EYNB2021-07-24 → 2021-07-27
    Earthquake magnitude 6.1 (mww) in 29.927S 176.864W, depth 10 km at 241251Z jul 21
    Kermadec Islands Region
  3. USGS-US6000EYJ72021-07-23 → 2021-07-26
    Earthquake magnitude 5.5 (mww) in 26.634S 175.666W, depth 10 km at 232313Z jul 21
    South of Tonga
  4. USGS-US6000EY7R2021-07-23 → 2021-07-26
    91 km ese of kokopo, papua new guinea
  5. USGS-US7000EMSW2021-07-17 → 2021-07-20
    Earthquake magnitude 5.5 (mww) in 20.600S 178.406W, depth 563 km at 170323Z jul 21
    Fiji Region
  6. USGS-US6000ETFA2021-07-09 → 2021-07-12
    Earthquake magnitude 5.5 (mww) in 56.195S 143.221W, depth 10 km at 090121Z jul 21
    Pacific-antarctic Ridge
  7. USGS-US7000EJA22021-07-07 → 2021-07-10
    Earthquake magnitude 5.9 (mww) in 23.289S 179.669E, depth 531 km at 070639Z jul 21
    South of the Fiji Islands
  8. USGS-US7000EIJT2021-07-04 → 2021-07-07
    72 km wsw of vallenar, chile
  9. USGS-US7000EIJQ2021-07-04 → 2021-07-07
    75 km wsw of vallenar, chile
  10. USGS-US7000EICJ2021-07-02 → 2021-07-05
    Earthquake magnitude 6.1 (mww) in 21.812S 179.416W, depth 600 km at 022014Z jul 21
    Fiji Region
  11. USGS-US7000EFEA2021-06-23 → 2021-06-26
    Earthquake magnitude 5.5 (mww) in 22.734S 171.669E, depth 10 km at 230539Z jun 21
    Southeast of the Loyalty Islands
  12. USGS-US7000EFD52021-06-23 → 2021-06-26
    11 km wsw of mala, peru
  13. USGS-US7000EEWI2021-06-21 → 2021-06-24
    Earthquake magnitude 5.9 (mww) in 30.235S 177.625W, depth 32 km at 211114Z jun 21
    Kermadec Islands, New Zealand
  14. USGS-US7000EEQ42021-06-20 → 2021-06-23
    Earthquake magnitude 6.5 (mww) in 30.216S 177.845W, depth 25 km at 201705Z jun 21
    Kermadec Islands, New Zealand
  15. USGS-US7000EEE02021-06-19 → 2021-06-22
    Earthquake magnitude 5.8 (mww) in 16.360S 173.101E, depth 10 km at 191159Z jun 21
    Fiji Region
  16. USGS-US7000EDUG2021-06-17 → 2021-06-20
    157 km se of hihifo, tonga
  17. USGS-US7000EAKJ2021-06-06 → 2021-06-09
    Earthquake magnitude 5.8 (mww) in 27.671S 176.301W, depth 10 km at 062316Z jun 21
    Kermadec Islands Region
  18. USGS-US7000EAIB2021-06-06 → 2021-06-09
    188 km sse of alo, wallis and futuna
  19. USGS-US6000EGS42021-05-30 → 2021-06-02
    Earthquake magnitude 5.9 (mww) in 56.826S 140.710W, depth 10 km at 302047Z may 21
    Pacific-antarctic Ridge
  20. USGS-US7000E68H2021-05-25 → 2021-05-28
    147 km nw of neiafu, tonga
  21. USGS-US7000E5792021-05-21 → 2021-05-24
    265 km sse of alo, wallis and futuna
  22. USGS-US7000E4J22021-05-19 → 2021-05-22
    Earthquake magnitude 5.7 (mww) in 36.687S 110.397W, depth 10 km at 191754Z may 21
    Southern East Pacific Rise
  23. USGS-US7000E4AW2021-05-19 → 2021-05-22
    Earthquake magnitude 6.7 (mww) in 33.065S 109.394W, depth 10 km at 190042Z may 21
    Southern East Pacific Rise
  24. USGS-US7000E3AA2021-05-15 → 2021-05-18
    238 km e of tadine, new caledonia
  25. USGS-US7000E2SU2021-05-13 → 2021-05-16
    187 km sse of alo, wallis and futuna
  26. USGS-US7000E2IB2021-05-12 → 2021-05-15
    1 km se of pampa de tate, peru
  27. USGS-US7000E20U2021-05-11 → 2021-05-14
    234 km sse of alo, wallis and futuna
  28. USGS-US7000E1752021-05-07 → 2021-05-10
    Earthquake magnitude 6.1 (mww) in 18.744S 177.566W, depth 384 km at 072335Z may 21
    Fiji Region
  29. USGS-US7000E04M2021-05-04 → 2021-05-07
    117 km sse of pangai, tonga
  30. USGS-US7000DZFK2021-05-02 → 2021-05-05
    31 km sw of coquimbo, chile
  31. USGS-US7000DYH12021-04-29 → 2021-05-02
    Earthquake magnitude 5.5 (mb) in 29.090S 177.012W, depth 10 km at 290653Z apr 21
    Kermadec Islands, New Zealand
  32. USGS-US7000DYGD2021-04-29 → 2021-05-02
    Earthquake magnitude 6.1 (mww) in 29.339S 176.321W, depth 10 km at 290650Z apr 21
    Kermadec Islands Region
  33. USGS-US7000DYEQ2021-04-29 → 2021-05-02
    169 km ne of gisborne, new zealand
  34. USGS-US7000DXXY2021-04-27 → 2021-04-30
    Earthquake magnitude 5.9 (mww) in 29.122S 176.848W, depth 13 km at 271633Z apr 21
    Kermadec Islands Region
  35. USGS-US7000DXN62021-04-26 → 2021-04-29
    Earthquake magnitude 5.7 (mww) in 29.133S 176.682W, depth 10 km at 262107Z apr 21
    Kermadec Islands Region
  36. USGS-US6000E4RL2021-04-25 → 2021-04-28
    207 km wsw of haveluloto, tonga
  37. USGS-US6000E47C2021-04-24 → 2021-04-27
    225 km wnw of pangai, tonga
  38. USGS-US6000E3J62021-04-22 → 2021-04-25
    82 km wsw of san antonio, chile
  39. USGS-US6000DZT82021-04-07 → 2021-04-10
    Earthquake magnitude 5.7 (mww) in 28.825S 176.459W, depth 13 km at 071848Z apr 21
    Kermadec Islands Region
  40. USGS-US6000DZLV2021-04-07 → 2021-04-10
    Earthquake magnitude 6.1 (mww) in 29.049S 176.612W, depth 18 km at 070953Z apr 21
    Kermadec Islands Region
  41. USGS-US6000DZKN2021-04-07 → 2021-04-10
    203 km ene of kokopo, papua new guinea
  42. USGS-US6000DZD62021-04-06 → 2021-04-09
    Earthquake magnitude 5.7 (mww) in 29.436S 176.911W, depth 14 km at 060816Z apr 21
    Kermadec Islands Region
  43. USGS-US6000DZ3C2021-04-05 → 2021-04-08
    194 km ne of gisborne, new zealand
  44. USGS-US6000DYDN2021-04-01 → 2021-04-04
    Earthquake magnitude 5.6 (mww) in 30.023S 177.467W, depth 10 km at 012210Z apr 21
    Kermadec Islands, New Zealand
  45. USGS-US6000DY9X2021-04-01 → 2021-04-04
    Earthquake magnitude 6.0 (mww) in 21.801S 179.380W, depth 595 km at 011511Z apr 21
    Fiji Region
  46. USGS-US6000DY642021-04-01 → 2021-04-04
    Earthquake magnitude 6.4 (mww) in 29.961S 177.676W, depth 20 km at 010956Z apr 21
    Kermadec Islands, New Zealand
  47. USGS-US6000DXR32021-03-30 → 2021-04-02
    Earthquake magnitude 5.5 (mww) in 35.376S 106.037W, depth 10 km at 302135Z mar 21
    Southern East Pacific Rise
  48. USGS-US6000DW8I2021-03-25 → 2021-03-28
    Earthquake magnitude 5.5 (mww) in 26.086S 178.430E, depth 591 km at 250357Z mar 21
    South of the Fiji Islands
  49. USGS-US7000DL8Y2021-03-20 → 2021-03-23
    Earthquake magnitude 5.5 (mww) in 23.115S 171.686E, depth 10 km at 201542Z mar 21
    Southeast of the Loyalty Islands
  50. USGS-US7000DL5J2021-03-20 → 2021-03-23
    Earthquake magnitude 6.0 (mwb) in 59.618S 150.327E, depth 10 km at 200519Z mar 21
    West of Macquarie Island

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 12 · seahazards