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
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01
02
03
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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
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A
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N
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Other hazards in the South Pacific Ocean

Archive · 3,740 cancelled

  1. USGS-US6000QVBW2025-07-26 → 2025-07-29
    Earthquake magnitude 6.2 (mww) in 57.772S 157.725E, depth 17 km at 261615Z jul 25
    Macquarie Island Region
  2. USGS-US6000QV9L2025-07-26 → 2025-07-29
    61 km nne of sorong, indonesia
  3. USGS-US6000QUY12025-07-24 → 2025-07-27
    187 km sse of mata-utu, wallis and futuna
  4. USGS-US6000QUAF2025-07-23 → 2025-07-26
    Earthquake magnitude 5.6 (mww) in 23.456S 179.911W, depth 533 km at 230324Z jul 25
    South of the Fiji Islands
  5. USGS-US7000QCRV2025-07-15 → 2025-07-18
    Earthquake magnitude 5.7 (mww) in 30.066S 177.943W, depth 48 km at 150955Z jul 25
    Kermadec Islands, New Zealand
  6. USGS-US7000QB202025-07-06 → 2025-07-09
    77 km ne of ‘ohonua, tonga
  7. USGS-US7000QAMR2025-07-04 → 2025-07-07
    256 km sse of ushuaia, argentina
  8. USGS-US7000QA5H2025-07-02 → 2025-07-05
    189 km ene of levuka, fiji
  9. USGS-US7000QA3Y2025-07-02 → 2025-07-05
    88 km w of san antonio, chile
  10. USGS-US7000Q99P2025-06-28 → 2025-07-01
    161 km nnw of houma, tonga
  11. USGS-US6000QKG72025-06-15 → 2025-06-18
    37 km wsw of callao, peru
  12. USGS-US6000QK902025-06-14 → 2025-06-17
    Earthquake magnitude 5.6 (mww) in 36.598S 110.569W, depth 10 km at 140643Z jun 25
    Southern East Pacific Rise
  13. USGS-US6000QK7H2025-06-14 → 2025-06-17
    Earthquake magnitude 5.7 (mww) in 36.397S 110.814W, depth 10 km at 140310Z jun 25
    Southern East Pacific Rise
  14. USGS-US6000QIIG2025-06-06 → 2025-06-09
    299 km wsw of houma, tonga
  15. USGS-US6000QIGD2025-06-06 → 2025-06-09
    45 km sw of diego de almagro, chile
  16. USGS-US6000QH5J2025-05-31 → 2025-06-03
    Earthquake magnitude 6.2 (mww) in 27.849S 178.123W, depth 10 km at 312226Z may 25
    Kermadec Islands Region
  17. USGS-US6000QH592025-05-31 → 2025-06-03
    Earthquake magnitude 6.0 (mww) in 28.186S 178.539W, depth 10 km at 312121Z may 25
    Kermadec Islands Region
  18. USGS-US6000QH352025-05-31 → 2025-06-03
    Earthquake magnitude 6.1 (mww) in 27.740S 177.950W, depth 10 km at 311428Z may 25
    Kermadec Islands Region
  19. USGS-US7000Q1E72025-05-25 → 2025-05-28
    187 km ssw of ‘ohonua, tonga
  20. USGS-US7000Q14K2025-05-23 → 2025-05-26
    Earthquake magnitude 6.1 (mww) in 56.554S 147.666E, depth 10 km at 231633Z may 25
    West of Macquarie Island
  21. USGS-US7000PZCP2025-05-15 → 2025-05-18
    Earthquake magnitude 5.5 (mww) in 54.550S 135.341W, depth 10 km at 151259Z may 25
    Pacific-antarctic Ridge
  22. USGS-US7000PZ412025-05-14 → 2025-05-17
    142 km w of neiafu, tonga
  23. USGS-US7000PXJH2025-05-06 → 2025-05-09
    Earthquake magnitude 5.7 (mww) in 4.045S 104.196W, depth 10 km at 061815Z may 25
    Central East Pacific Rise
  24. USGS-US7000PX6V2025-05-05 → 2025-05-08
    Earthquake magnitude 6.0 (mww) in 35.143S 107.420W, depth 10 km at 050355Z may 25
    Southern East Pacific Rise
  25. USGS-US7000PWL02025-05-02 → 2025-05-05
    262 km sse of ushuaia, argentina
  26. USGS-US7000PWT42025-05-02 → 2025-05-05
    256 km sse of ushuaia, argentina
  27. USGS-US7000PWKN2025-05-02 → 2025-05-05
    2025 drake passage earthquake
  28. USGS-US7000PVTR2025-04-29 → 2025-05-02
    Earthquake magnitude 6.8 (mww) in 54.262S 155.645E, depth 19 km at 291453Z apr 25
    Macquarie Island Region
  29. USGS-US7000PVTA2025-04-29 → 2025-05-02
    Earthquake magnitude 5.6 (mww) in 28.140S 175.297W, depth 10 km at 291330Z apr 25
    Kermadec Islands Region
  30. USGS-US7000PVD82025-04-27 → 2025-04-30
    Earthquake magnitude 5.9 (mww) in 56.156S 147.079E, depth 10 km at 270922Z apr 25
    West of Macquarie Island
  31. USGS-US6000Q78N2025-04-19 → 2025-04-22
    96 km nne of hihifo, tonga
  32. USGS-US6000Q5TP2025-04-13 → 2025-04-16
    Earthquake magnitude 6.5 (mww) in 25.982S 178.331W, depth 271 km at 132003Z apr 25
    South of the Fiji Islands
  33. USGS-US6000Q5KA2025-04-12 → 2025-04-15
    104 km ese of kokopo, papua new guinea
  34. USGS-US6000Q3W42025-04-04 → 2025-04-07
    81 km wnw of hihifo, tonga
  35. USGS-US7000PPD92025-04-02 → 2025-04-05
    Earthquake magnitude 6.3 (mww) in 57.008S 142.286W, depth 10 km at 020029Z apr 25
    Pacific-antarctic Ridge
  36. USGS-US7000PNVV2025-03-30 → 2025-04-02
    53 km sse of pangai, tonga
  37. USGS-US7000PNVP2025-03-30 → 2025-04-02
    72 km sse of pangai, tonga
  38. USGS-US7000PNTQ2025-03-30 → 2025-04-02
    61 km sse of pangai, tonga
  39. USGS-US7000PLRN2025-03-22 → 2025-03-25
    Earthquake magnitude 5.5 (mww) in 26.022S 178.764W, depth 347 km at 220115Z mar 25
    South of the Fiji Islands
  40. USGS-US7000PEXC2025-02-20 → 2025-02-23
    71 km nnw of hihifo, tonga
  41. USGS-US7000PEIQ2025-02-18 → 2025-02-21
    94 km w of diego de almagro, chile
  42. USGS-US7000PE6V2025-02-17 → 2025-02-20
    66 km s of san juan, peru
  43. USGS-US7000PC2P2025-02-07 → 2025-02-10
    Earthquake magnitude 5.9 (mww) in 23.935S 176.226W, depth 65 km at 071027Z feb 25
    South of the Fiji Islands
  44. USGS-US7000PB592025-02-04 → 2025-02-07
    Earthquake magnitude 5.7 (mww) in 38.893S 092.397W, depth 10 km at 040140Z feb 25
    West Chile Rise
  45. USGS-US7000PB0I2025-02-03 → 2025-02-06
    Earthquake magnitude 5.5 (mww) in 22.825S 171.389E, depth 10 km at 031302Z feb 25
    Southeast of the Loyalty Islands
  46. USGS-US6000PMQW2025-01-28 → 2025-01-31
    Earthquake magnitude 5.8 (mww) in 28.010S 176.486W, depth 13 km at 280652Z jan 25
    Kermadec Islands Region
  47. USGS-US6000PMPQ2025-01-28 → 2025-01-31
    Earthquake magnitude 5.6 (mww) in 41.198S 090.224W, depth 10 km at 280059Z jan 25
    Southeast of Easter Island
  48. USGS-US6000PLST2025-01-23 → 2025-01-26
    190 km ne of sola, vanuatu
  49. USGS-US6000PGSD2025-01-01 → 2025-01-04
    153 km s of isangel, vanuatu
  50. USGS-US6000PGF52024-12-30 → 2025-01-02
    63 km w of coquimbo, chile

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 3 · seahazards