Earthquake & tsunami bulletins in the Southern Ocean

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

in force
0
last 12 months
13
vs previous 12 (10)
+30%
since 1997
242

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 · 0

No earthquake & tsunami bulletins in force in the Southern Ocean right now.

By year

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

By month (all years)

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

Other hazards in the Southern Ocean

Archive · 242 cancelled

  1. USGS-US6000TMRW2026-08-22 → 2026-08-25
    Earthquake magnitude 6.2 (mww) in 60.379S 047.605W, depth 10 km at 220822Z aug 26
    Scotia Sea
  2. USGS-US6000TMRN2026-08-22 → 2026-08-25
    Earthquake magnitude 5.7 (mb) in 60.265S 047.259W, depth 10 km at 220740Z aug 26
    Scotia Sea
  3. USGS-US6000TK742026-08-12 → 2026-08-15
    Earthquake magnitude 6.0 (mww) in 60.245S 028.990W, depth 10 km at 121147Z aug 26
    South Sandwich Islands Region
  4. USGS-US6000TGUD2026-07-29 → 2026-08-01
    Earthquake magnitude 5.5 (mww) in 65.088S 179.367W, depth 10 km at 292208Z jul 26
    Pacific-antarctic Ridge
  5. USGS-US7000T1NG2026-07-18 → 2026-07-21
    Earthquake magnitude 5.5 (mww) in 60.769S 051.083W, depth 10 km at 181950Z jul 26
    Scotia Sea
  6. USGS-US7000SZ2B2026-07-08 → 2026-07-11
    Earthquake magnitude 5.6 (mww) in 61.811S 154.864E, depth 10 km at 081907Z jul 26
    Balleny Islands Region
  7. USGS-US7000SQZX2026-06-05 → 2026-06-08
    Earthquake magnitude 5.6 (mww) in 61.732S 161.373E, depth 10 km at 052058Z jun 26
    Balleny Islands Region
  8. USGS-US6000SRTD2026-04-21 → 2026-04-24
    Earthquake magnitude 5.7 (mww) in 62.306S 165.527E, depth 10 km at 211030Z apr 26
    Balleny Islands Region
  9. USGS-US6000SHLP2026-03-20 → 2026-03-23
    Earthquake magnitude 6.5 (mww) in 61.188S 056.403W, depth 21 km at 200022Z mar 26
    South Shetland Islands
  10. USGS-US6000SAMT2026-02-21 → 2026-02-24
    Earthquake magnitude 5.6 (mww) in 63.137S 169.543E, depth 10 km at 211701Z feb 26
    Balleny Islands Region
  11. USGS-US6000RW5U2025-12-20 → 2025-12-23
    Earthquake magnitude 5.6 (mww) in 63.809S 172.771E, depth 10 km at 200657Z dec 25
    Balleny Islands Region
  12. USGS-US6000RGGE2025-10-10 → 2025-10-13
    Earthquake magnitude 5.7 (mb) in 60.066S 062.362W, depth 10 km at 102128Z oct 25
    Drake Passage
  13. USGS-US6000RGF42025-10-10 → 2025-10-13
    Earthquake magnitude 7.6 (mww) in 60.188S 061.816W, depth 6 km at 102029Z oct 25
    Drake Passage
  14. USGS-US6000R2XQ2025-08-22 → 2025-08-25
    2025 southern drake passage earthquake
  15. USGS-US6000QVGW2025-07-27 → 2025-07-30
    Earthquake magnitude 5.6 (mww) in 60.088S 018.745W, depth 10 km at 270930Z jul 25
    East of the South Sandwich Islands
  16. USGS-US7000Q9B52025-06-28 → 2025-07-01
    Earthquake magnitude 6.6 (mww) in 60.979S 038.967W, depth 10 km at 280832Z jun 25
    Scotia Sea
  17. USGS-US6000QJRQ2025-06-12 → 2025-06-15
    Earthquake magnitude 5.5 (mww) in 63.208S 164.423W, depth 10 km at 120614Z jun 25
    Pacific-antarctic Ridge
  18. USGS-US6000QJR32025-06-12 → 2025-06-15
    Earthquake magnitude 5.7 (mww) in 63.241S 163.758W, depth 10 km at 120458Z jun 25
    Pacific-antarctic Ridge
  19. USGS-US7000PY392025-05-08 → 2025-05-11
    Earthquake magnitude 5.7 (mww) in 60.547S 160.025E, depth 10 km at 082201Z may 25
    Macquarie Island Region
  20. USGS-US6000Q3L22025-04-03 → 2025-04-06
    Earthquake magnitude 5.5 (mww) in 65.172S 179.337E, depth 10 km at 030418Z apr 25
    Balleny Islands Region
  21. USGS-US6000PZXI2025-03-20 → 2025-03-23
    Earthquake magnitude 5.7 (mww) in 60.429S 027.255W, depth 24 km at 200630Z mar 25
    South Sandwich Islands Region
  22. USGS-US6000PGZQ2025-01-02 → 2025-01-05
    Earthquake magnitude 5.5 (mww) in 62.334S 155.705E, depth 10 km at 020254Z jan 25
    Balleny Islands Region
  23. USGS-US7000NRYG2024-11-15 → 2024-11-18
    Earthquake magnitude 5.5 (mww) in 61.286S 153.996E, depth 10 km at 151041Z nov 24
    Balleny Islands Region
  24. USGS-US6000NFPD2024-07-25 → 2024-07-28
    Earthquake magnitude 5.6 (mww) in 60.796S 025.370W, depth 10 km at 251505Z jul 24
    South Sandwich Islands Region
  25. USGS-US7000MSQT2024-06-16 → 2024-06-19
    Earthquake magnitude 6.0 (mww) in 60.950S 154.335E, depth 8 km at 160027Z jun 24
    West of Macquarie Island
  26. USGS-US7000M9362024-03-31 → 2024-04-03
    Earthquake magnitude 5.9 (mww) in 62.721S 156.041E, depth 10 km at 311701Z mar 24
    Balleny Islands Region
  27. USGS-US6000M2D72024-01-07 → 2024-01-10
    Earthquake magnitude 5.5 (mww) in 62.329S 165.325E, depth 10 km at 072000Z jan 24
    Balleny Islands Region
  28. USGS-US6000M2CV2024-01-07 → 2024-01-10
    Earthquake magnitude 5.6 (mww) in 62.211S 165.505E, depth 10 km at 071806Z jan 24
    Balleny Islands Region
  29. USGS-US6000M05D2023-12-28 → 2023-12-31
    Earthquake magnitude 5.8 (mww) in 65.436S 179.689W, depth 10 km at 280912Z dec 23
    Pacific-antarctic Ridge
  30. USGS-US7000LI3G2023-12-11 → 2023-12-14
    Earthquake magnitude 5.7 (mww) in 60.277S 033.039W, depth 10 km at 111339Z dec 23
    Scotia Sea
  31. USGS-US7000L8JC2023-11-03 → 2023-11-06
    Earthquake magnitude 5.7 (mww) in 62.295S 155.543W, depth 10 km at 030752Z nov 23
    Pacific-antarctic Ridge
  32. USGS-US7000L6LR2023-10-26 → 2023-10-29
    Earthquake magnitude 5.6 (mww) in 61.127S 160.763E, depth 10 km at 261920Z oct 23
    Balleny Islands Region
  33. USGS-US6000LEPJ2023-10-11 → 2023-10-14
    Earthquake magnitude 5.7 (mww) in 63.769S 172.304E, depth 10 km at 110354Z oct 23
    Balleny Islands Region
  34. USGS-US6000KQEZ2023-07-06 → 2023-07-09
    Earthquake magnitude 5.9 (mww) in 60.551S 153.718E, depth 10 km at 061031Z jul 23
    West of Macquarie Island
  35. USGS-US7000K7IZ2023-06-09 → 2023-06-12
    Earthquake magnitude 5.9 (mww) in 60.507S 160.297E, depth 10 km at 092121Z jun 23
    Macquarie Island Region
  36. USGS-US7000K6BX2023-06-05 → 2023-06-08
    Earthquake magnitude 5.8 (mww) in 62.276S 155.430E, depth 10 km at 050245Z jun 23
    Balleny Islands Region
  37. USGS-US6000K6NS2023-04-24 → 2023-04-27
    Earthquake magnitude 5.6 (mb) in 60.461S 026.230W, depth 10 km at 240217Z apr 23
    South Sandwich Islands Region
  38. USGS-US7000J1U92023-01-03 → 2023-01-06
    Earthquake magnitude 5.6 (mww) in 65.407S 178.895E, depth 10 km at 031453Z jan 23
    Balleny Islands Region
  39. USGS-US7000J1TT2023-01-03 → 2023-01-06
    Earthquake magnitude 5.5 (mww) in 65.163S 179.294E, depth 10 km at 031309Z jan 23
    Balleny Islands Region
  40. USGS-US6000JB9K2022-12-23 → 2022-12-26
    Earthquake magnitude 5.8 (mww) in 65.357S 179.774W, depth 10 km at 230839Z dec 22
    Pacific-antarctic Ridge
  41. USGS-US6000J9572022-12-14 → 2022-12-17
    Earthquake magnitude 5.6 (mww) in 62.938S 155.894E, depth 10 km at 140628Z dec 22
    Balleny Islands Region
  42. USGS-US6000J7WG2022-12-08 → 2022-12-11
    Earthquake magnitude 5.6 (mww) in 63.114S 163.670W, depth 10 km at 081445Z dec 22
    Pacific-antarctic Ridge
  43. USGS-US7000IPM82022-11-14 → 2022-11-17
    Earthquake magnitude 5.6 (mwb) in 64.007S 167.855W, depth 10 km at 141501Z nov 22
    Pacific-antarctic Ridge
  44. USGS-US7000ILYK2022-11-02 → 2022-11-05
    Earthquake magnitude 6.1 (mww) in 60.784S 025.777W, depth 25 km at 021417Z nov 22
    South Sandwich Islands Region
  45. USGS-US6000IP572022-09-29 → 2022-10-02
    Earthquake magnitude 6.5 (mww) in 60.831S 020.025W, depth 11 km at 290303Z sep 22
    East of the South Sandwich Islands
  46. USGS-US7000I1UI2022-08-23 → 2022-08-26
    Earthquake magnitude 5.9 (mww) in 62.155S 161.443E, depth 10 km at 231841Z aug 22
    Balleny Islands Region
  47. USGS-US6000HF2Z2022-04-20 → 2022-04-23
    Earthquake magnitude 5.8 (mww) in 61.184S 153.890E, depth 10 km at 201913Z apr 22
    Balleny Islands Region
  48. USGS-US7000H3IX2022-04-20 → 2022-04-23
    Earthquake magnitude 5.5 (mww) in 60.285S 046.658W, depth 10 km at 201105Z apr 22
    Scotia Sea
  49. USGS-US7000GMTT2022-02-21 → 2022-02-24
    Earthquake magnitude 6.3 (mww) in 69.774S 165.392E, depth 14 km at 212324Z feb 22
    Balleny Islands Region
  50. USGS-US7000GFJS2022-01-26 → 2022-01-29
    Earthquake magnitude 5.6 (mww) in 63.522S 170.111E, depth 10 km at 261636Z jan 22
    Balleny Islands Region

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 Southern Ocean · seahazards