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 · 2 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-USP000H7UF2010-02-27 → 2010-03-02
    40 km sw of valparaíso, chile
  2. USGS-ISCGEM6006979192010-02-27 → 2010-03-02
    15 km wsw of cañete, chile
  3. USGS-USP000H7U92010-02-27 → 2010-03-02
    53 km wsw of san antonio, chile
  4. USGS-USP000H7U52010-02-27 → 2010-03-02
    45 km ssw of cañete, chile
  5. USGS-USP000H7TF2010-02-27 → 2010-03-02
    14 km nne of cartagena, chile
  6. USGS-USP000H7T82010-02-27 → 2010-03-02
    176 km wsw of lebu, chile
  7. USGS-USP000H7T22010-02-27 → 2010-03-02
    75 km w of valparaíso, chile
  8. USGS-USP000H7T02010-02-27 → 2010-03-02
    51 km n of constitución, chile
  9. USGS-USP000H7SX2010-02-27 → 2010-03-02
    64 km n of constitución, chile
  10. USGS-USP000H7SS2010-02-27 → 2010-03-02
    27 km n of cartagena, chile
  11. USGS-USP000H7SQ2010-02-27 → 2010-03-02
    124 km w of lebu, chile
  12. USGS-USP000H7SA2010-02-27 → 2010-03-02
    30 km ne of constitución, chile
  13. USGS-USP000H7S92010-02-27 → 2010-03-02
    27 km nnw of yumbel, chile
  14. USGS-USP000H7S72010-02-27 → 2010-03-02
    54 km wsw of san antonio, chile
  15. USGS-USP000H7S52010-02-27 → 2010-03-02
    25 km s of cañete, chile
  16. USGS-USP000H7S12010-02-27 → 2010-03-02
    42 km wnw of coronel, chile
  17. USGS-USP000H7RU2010-02-27 → 2010-03-02
    44 km sw of san antonio, chile
  18. USGS-USP000H7RS2010-02-27 → 2010-03-02
    58 km sw of san antonio, chile
  19. USGS-USP000H7RN2010-02-27 → 2010-03-02
    82 km wnw of santa cruz, chile
  20. USGS-USP000H7RK2010-02-27 → 2010-03-02
    54 km nnw of constitución, chile
  21. USGS-USP000H7RH2010-02-27 → 2010-03-02
    40 km w of san antonio, chile
  22. USGS-USP000H7RG2010-02-27 → 2010-03-02
    Earthquake magnitude 5.6 (mb) in 54.027S 133.640W, depth 10 km at 270634Z feb 10
    Pacific-antarctic Ridge
  23. USGS-OFFICIAL20100227063411530_302010-02-27 → 2010-03-02
    2010 maule, chile earthquake
  24. USGS-USP000H7JE2010-02-22 → 2010-02-25
    276 km ssw of ‘ohonua, tonga
  25. USGS-USP000H7JB2010-02-22 → 2010-02-25
    284 km ssw of ‘ohonua, tonga
  26. USGS-USP000H7J92010-02-22 → 2010-02-25
    277 km ssw of ‘ohonua, tonga
  27. USGS-USP000H7J72010-02-22 → 2010-02-25
    123 km e of ‘ohonua, tonga
  28. USGS-USP000H7F92010-02-19 → 2010-02-22
    58 km ssw of ‘ohonua, tonga
  29. USGS-USP000H7DC2010-02-17 → 2010-02-20
    Earthquake magnitude 5.9 (mwb) in 29.756S 177.836W, depth 45 km at 171938Z feb 10
    Kermadec Islands, New Zealand
  30. USGS-USP000H7852010-02-13 → 2010-02-16
    65 km sse of ‘ohonua, tonga
  31. USGS-USP000H73E2010-02-09 → 2010-02-12
    104 km nne of hihifo, tonga
  32. USGS-USP000H72F2010-02-07 → 2010-02-10
    Earthquake magnitude 5.6 (mwc) in 23.335S 179.877W, depth 550 km at 072322Z feb 10
    South of the Fiji Islands
  33. USGS-USP000H72B2010-02-07 → 2010-02-10
    Earthquake magnitude 5.9 (mwc) in 23.319S 179.877W, depth 544 km at 072228Z feb 10
    South of the Fiji Islands
  34. USGS-USP000H70X2010-02-06 → 2010-02-09
    113 km e of hihifo, tonga
  35. USGS-USP000H6YE2010-02-04 → 2010-02-07
    67 km ne of pangai, tonga
  36. USGS-USP000H6SX2010-01-30 → 2010-02-02
    Earthquake magnitude 5.6 (mwc) in 57.638S 141.462W, depth 10 km at 301921Z jan 10
    Pacific-antarctic Ridge
  37. USGS-USP000H6RP2010-01-29 → 2010-02-01
    77 km nne of isangel, vanuatu
  38. USGS-USP000H6MC2010-01-25 → 2010-01-28
    30 km e of neiafu, tonga
  39. USGS-USP000H6552010-01-15 → 2010-01-18
    Earthquake magnitude 5.9 (mwc) in 31.728S 177.612W, depth 10 km at 151014Z jan 10
    Kermadec Islands Region
  40. USGS-USP000H62W2010-01-13 → 2010-01-16
    83 km wnw of manokwari, indonesia
  41. USGS-USP000H62T2010-01-13 → 2010-01-16
    112 km wnw of hihifo, tonga
  42. USGS-USP000H5TT2010-01-07 → 2010-01-10
    Earthquake magnitude 5.6 (mwc) in 53.516S 159.280E, depth 10 km at 070829Z jan 10
    Macquarie Island Region
  43. USGS-USP000H5J32009-12-31 → 2010-01-03
    Earthquake magnitude 5.6 (mwc) in 59.395S 151.034W, depth 10 km at 310929Z dec 09
    Pacific-antarctic Ridge
  44. USGS-USP000H5J22009-12-31 → 2010-01-03
    Earthquake magnitude 6.0 (mwc) in 59.401S 150.975W, depth 10 km at 310923Z dec 09
    Pacific-antarctic Ridge
  45. USGS-USP000H5HW2009-12-31 → 2010-01-03
    178 km ese of biak, indonesia
  46. USGS-USP000H5D42009-12-26 → 2009-12-29
    Earthquake magnitude 5.6 (mwc) in 17.299S 176.941W, depth 17 km at 262123Z dec 09
    Fiji Region
  47. USGS-USP000H5C52009-12-25 → 2009-12-28
    78 km e of hihifo, tonga
  48. USGS-USP000H5AQ2009-12-24 → 2009-12-27
    4 km nnw of achanizo, peru
  49. USGS-USP000H53C2009-12-16 → 2009-12-19
    Earthquake magnitude 5.5 (mwb) in 31.590S 177.840W, depth 10 km at 161236Z dec 09
    Kermadec Islands Region
  50. USGS-USP000H4YP2009-12-11 → 2009-12-14
    60 km ene of ‘ohonua, 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 43 · seahazards