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
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 Southern Ocean

Archive · 242 cancelled

  1. USGS-US7000G9EL2022-01-05 → 2022-01-08
    Earthquake magnitude 5.7 (mww) in 65.344S 071.509W, depth 10 km at 052324Z jan 22
    Southern Pacific Ocean
  2. USGS-US6000GCXA2021-12-16 → 2021-12-19
    Earthquake magnitude 6.0 (mww) in 60.175S 023.837W, depth 15 km at 162114Z dec 21
    South Sandwich Islands Region
  3. USGS-US6000GBLS2021-12-12 → 2021-12-15
    Earthquake magnitude 6.6 (mww) in 60.796S 154.139E, depth 10 km at 120858Z dec 21
    West of Macquarie Island
  4. USGS-US6000G8ND2021-12-03 → 2021-12-06
    Earthquake magnitude 6.0 (mww) in 60.465S 027.140W, depth 7 km at 030833Z dec 21
    South Sandwich Islands Region
  5. USGS-US6000FRFW2021-10-04 → 2021-10-07
    Earthquake magnitude 6.2 (mww) in 60.416S 027.519W, depth 10 km at 040354Z oct 21
    South Sandwich Islands Region
  6. USGS-US7000FA2U2021-09-10 → 2021-09-13
    Earthquake magnitude 5.5 (mww) in 60.549S 026.574W, depth 10 km at 101707Z sep 21
    South Sandwich Islands Region
  7. USGS-US6000F9SQ2021-08-22 → 2021-08-25
    Earthquake magnitude 7.1 (mww) in 60.285S 024.874W, depth 6 km at 222133Z aug 21
    South Sandwich Islands Region
  8. USGS-US6000F9GD2021-08-22 → 2021-08-25
    Earthquake magnitude 6.6 (mww) in 60.140S 024.221W, depth 7 km at 220045Z aug 21
    South Sandwich Islands Region
  9. USGS-US6000F7792021-08-16 → 2021-08-19
    Earthquake magnitude 5.5 (mww) in 60.248S 024.928W, depth 10 km at 162050Z aug 21
    South Sandwich Islands Region
  10. USGS-US6000F63N2021-08-14 → 2021-08-17
    Earthquake magnitude 5.5 (mww) in 60.349S 027.110W, depth 12 km at 141000Z aug 21
    South Sandwich Islands Region
  11. USGS-US6000F5H22021-08-13 → 2021-08-16
    Earthquake magnitude 6.1 (mww) in 60.535S 027.250W, depth 10 km at 131034Z aug 21
    South Sandwich Islands Region
  12. USGS-US6000F4MS2021-08-12 → 2021-08-15
    Earthquake magnitude 5.6 (mb) in 60.434S 025.176W, depth 10 km at 121848Z aug 21
    South Sandwich Islands Region
  13. USGS-US6000F9032021-08-12 → 2021-08-15
    Earthquake magnitude 5.8 (mb) in 60.292S 026.540W, depth 35 km at 121841Z aug 21
    South Sandwich Islands Region
  14. USGS-US6000F8YJ2021-08-12 → 2021-08-15
    Earthquake magnitude 6.1 (mb) in 60.357S 026.761W, depth 35 km at 121841Z aug 21
    South Sandwich Islands Region
  15. USGS-US6000E0J22021-04-10 → 2021-04-13
    Earthquake magnitude 5.6 (mww) in 62.401S 058.336W, depth 8 km at 100714Z apr 21
    South Shetland Islands
  16. USGS-US6000DWVY2021-03-26 → 2021-03-29
    Earthquake magnitude 5.5 (mww) in 62.379S 161.204W, depth 10 km at 262112Z mar 21
    Pacific-antarctic Ridge
  17. USGS-US6000DWVX2021-03-26 → 2021-03-29
    Earthquake magnitude 5.7 (mww) in 62.534S 161.628W, depth 10 km at 262103Z mar 21
    Pacific-antarctic Ridge
  18. USGS-US7000D2WH2021-01-24 → 2021-01-27
    Earthquake magnitude 5.5 (mww) in 61.767S 055.358W, depth 10 km at 241214Z jan 21
    South Shetland Islands
  19. USGS-US7000D2RX2021-01-23 → 2021-01-26
    Earthquake magnitude 6.9 (mww) in 61.810S 055.503W, depth 15 km at 232336Z jan 21
    South Shetland Islands
  20. USGS-US7000CLT82020-12-01 → 2020-12-04
    Earthquake magnitude 6.0 (mww) in 61.950S 154.734E, depth 10 km at 012052Z dec 20
    Balleny Islands Region
  21. USGS-US7000CJR02020-11-25 → 2020-11-28
    Earthquake magnitude 5.9 (mww) in 61.913S 154.918E, depth 10 km at 252256Z nov 20
    Balleny Islands Region
  22. USGS-US7000CBMX2020-11-06 → 2020-11-09
    Earthquake magnitude 5.9 (mww) in 62.234S 058.192W, depth 12 km at 062349Z nov 20
    South Shetland Islands
  23. USGS-US6000C4P52020-10-02 → 2020-10-05
    Earthquake magnitude 5.7 (mww) in 62.362S 058.261W, depth 10 km at 021017Z oct 20
    South Shetland Islands
  24. USGS-US6000B8VP2020-08-03 → 2020-08-06
    Earthquake magnitude 5.6 (mww) in 61.414S 161.424E, depth 10 km at 032116Z aug 20
    Balleny Islands Region
  25. USGS-US6000B46R2020-07-26 → 2020-07-29
    Earthquake magnitude 6.4 (mww) in 60.783S 025.413W, depth 10 km at 260053Z jul 20
    South Sandwich Islands Region
  26. USGS-US70006E092019-11-28 → 2019-12-01
    Earthquake magnitude 5.5 (mww) in 60.896S 050.912W, depth 10 km at 280026Z nov 19
    Scotia Sea
  27. USGS-US700059342019-08-28 → 2019-08-31
    Earthquake magnitude 5.5 (mb) in 60.558S 026.852W, depth 10 km at 280800Z aug 19
    South Sandwich Islands Region
  28. USGS-US7000592Z2019-08-28 → 2019-08-31
    Earthquake magnitude 5.6 (mww) in 60.357S 026.529W, depth 10 km at 280759Z aug 19
    South Sandwich Islands Region
  29. USGS-US700058YY2019-08-27 → 2019-08-30
    Earthquake magnitude 6.6 (mww) in 60.215S 026.580W, depth 16 km at 272355Z aug 19
    South Sandwich Islands Region
  30. USGS-US70004R4F2019-07-23 → 2019-07-26
    Earthquake magnitude 6.0 (mww) in 61.287S 154.114E, depth 10 km at 231033Z jul 19
    Balleny Islands Region
  31. USGS-US600041RK2019-06-17 → 2019-06-20
    Earthquake magnitude 5.8 (mww) in 65.607S 176.702W, depth 10 km at 171347Z jun 19
    Pacific-antarctic Ridge
  32. USGS-US1000GI7M2018-08-27 → 2018-08-30
    Earthquake magnitude 5.6 (mww) in 61.794S 058.049W, depth 49 km at 272009Z aug 18
    South Shetland Islands
  33. USGS-US1000GFRU2018-08-22 → 2018-08-25
    Earthquake magnitude 5.6 (mww) in 61.178S 154.167E, depth 10 km at 222249Z aug 18
    Balleny Islands Region
  34. USGS-US1000G6HD2018-08-10 → 2018-08-13
    Earthquake magnitude 5.5 (mww) in 62.629S 165.635E, depth 10 km at 101809Z aug 18
    Balleny Islands Region
  35. USGS-US2000G69Z2018-07-16 → 2018-07-19
    Earthquake magnitude 5.8 (mww) in 61.368S 154.973E, depth 10 km at 161518Z jul 18
    Balleny Islands Region
  36. USGS-US2000D8RL2018-02-27 → 2018-03-02
    Earthquake magnitude 6.1 (mww) in 60.249S 150.779E, depth 10 km at 271729Z feb 18
    West of Macquarie Island
  37. USGS-US1000CEB42018-02-02 → 2018-02-05
    Earthquake magnitude 5.6 (mww) in 65.885S 175.572W, depth 10 km at 021255Z feb 18
    Pacific-antarctic Ridge
  38. USGS-US1000CE9R2018-02-02 → 2018-02-05
    Earthquake magnitude 5.8 (mww) in 65.772S 175.570W, depth 10 km at 021137Z feb 18
    Pacific-antarctic Ridge
  39. USGS-US2000B2V12017-10-08 → 2017-10-11
    Earthquake magnitude 6.2 (mww) in 61.747S 154.599E, depth 10 km at 082048Z oct 17
    Balleny Islands Region
  40. USGS-US20009N592017-06-16 → 2017-06-19
    Earthquake magnitude 5.7 (mww) in 62.740S 161.092W, depth 10 km at 161937Z jun 17
    Pacific-antarctic Ridge
  41. USGS-US20009KIT2017-06-03 → 2017-06-06
    Earthquake magnitude 5.9 (mww) in 62.579S 155.834E, depth 10 km at 031917Z jun 17
    Balleny Islands Region
  42. USGS-US10008PZ32017-05-06 → 2017-05-09
    Earthquake magnitude 5.9 (mww) in 60.827S 038.016W, depth 12 km at 060016Z may 17
    Scotia Sea
  43. USGS-US100087WV2017-03-09 → 2017-03-12
    Earthquake magnitude 5.9 (mww) in 60.150S 150.299E, depth 10 km at 091114Z mar 17
    West of Macquarie Island
  44. USGS-US2000665G2016-06-23 → 2016-06-26
    Earthquake magnitude 5.5 (mww) in 60.673S 042.912W, depth 10 km at 230305Z jun 16
    Scotia Sea
  45. USGS-US200064HQ2016-06-15 → 2016-06-18
    Earthquake magnitude 5.7 (mww) in 62.366S 166.580E, depth 10 km at 150658Z jun 16
    Balleny Islands Region
  46. USGS-US10005G1A2016-05-09 → 2016-05-12
    Earthquake magnitude 5.5 (mwb) in 62.580S 165.344E, depth 10 km at 090133Z may 16
    Balleny Islands Region
  47. USGS-US10004SSU2016-02-26 → 2016-02-29
    Earthquake magnitude 5.7 (mwb) in 62.209S 155.257E, depth 10 km at 260149Z feb 16
    Balleny Islands Region
  48. USGS-US10004S4C2016-02-23 → 2016-02-26
    Earthquake magnitude 5.8 (mww) in 63.043S 145.002E, depth 10 km at 231808Z feb 16
    South of Australia
  49. USGS-US20004W6C2016-01-31 → 2016-02-03
    Earthquake magnitude 6.1 (mww) in 63.263S 169.149E, depth 10 km at 311738Z jan 16
    Balleny Islands Region
  50. USGS-US10003MNS2015-10-10 → 2015-10-13
    Earthquake magnitude 5.5 (mww) in 60.717S 020.849W, depth 10 km at 100856Z oct 15
    East of the South Sandwich Islands

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 — page 2 · seahazards