Earthquake & tsunami bulletins in the Indian Ocean

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

in force
0
last 12 months
20
vs previous 12 (21)
-5%
since 1997
980

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 Indian 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 Indian Ocean

Archive · 980 cancelled

  1. USGS-US6000HLJT2022-05-16 → 2022-05-19
    161 km s of bengkulu, indonesia
  2. USGS-US7000H0X22022-04-09 → 2022-04-12
    Earthquake magnitude 5.8 (mww) in 36.624S 078.841E, depth 10 km at 091549Z apr 22
    Mid-indian Ridge
  3. USGS-US7000GXKT2022-03-27 → 2022-03-30
    Earthquake magnitude 5.8 (mww) in 13.807S 066.176E, depth 13 km at 270050Z mar 22
    Mid-indian Ridge
  4. USGS-US6000H49U2022-03-13 → 2022-03-16
    177 km w of pariaman, indonesia
  5. USGS-US6000H48E2022-03-13 → 2022-03-16
    166 km w of pariaman, indonesia
  6. USGS-US6000H33H2022-03-08 → 2022-03-11
    Earthquake magnitude 5.5 (mww) in 54.139S 145.771E, depth 10 km at 081714Z mar 22
    West of Macquarie Island
  7. USGS-US6000H2AN2022-03-05 → 2022-03-08
    Earthquake magnitude 5.5 (mww) in 4.652N 095.025E, depth 42 km at 051202Z mar 22
    Northern Sumatra, Indonesia
  8. USGS-US6000GZYG2022-02-25 → 2022-02-28
    65 km nnw of bukittinggi, indonesia
  9. USGS-US7000GI252022-02-04 → 2022-02-07
    Earthquake magnitude 6.3 (mww) in 48.033S 099.495E, depth 10 km at 042025Z feb 22
    Southeast Indian Ridge
  10. USGS-US7000GBU42022-01-14 → 2022-01-17
    80 km sw of labuan, indonesia
  11. USGS-US6000GDGN2021-12-18 → 2021-12-21
    Earthquake magnitude 6.0 (mww) in 47.126S 033.508E, depth 10 km at 182005Z dec 21
    Prince Edward Islands Region
  12. USGS-US6000G9D92021-12-06 → 2021-12-09
    Earthquake magnitude 5.5 (mww) in 27.800S 074.007E, depth 10 km at 060055Z dec 21
    Mid-indian Ridge
  13. USGS-US7000FU612021-11-15 → 2021-11-18
    Earthquake magnitude 6.0 (mww) in 37.512S 051.261E, depth 10 km at 150423Z nov 21
    South Indian Ocean
  14. USGS-US7000FQJC2021-11-01 → 2021-11-04
    253 km s of sinabang, indonesia
  15. USGS-US7000FQ212021-10-30 → 2021-11-02
    Earthquake magnitude 5.7 (mww) in 51.426S 139.100E, depth 10 km at 300903Z oct 21
    Western Indian-antarctic Ridge
  16. USGS-US6000FR5T2021-10-02 → 2021-10-05
    Earthquake magnitude 6.0 (mww) in 9.178S 067.261E, depth 10 km at 022043Z oct 21
    Mid-indian Ridge
  17. USGS-US7000FEAI2021-09-25 → 2021-09-28
    Earthquake magnitude 5.8 (mww) in 53.420S 023.558E, depth 7 km at 250521Z sep 21
    South of Africa
  18. USGS-US6000F1NR2021-08-02 → 2021-08-05
    184 km sw of sungai penuh, indonesia
  19. USGS-US6000ET502021-07-08 → 2021-07-11
    Earthquake magnitude 5.5 (mww) in 54.764S 144.064E, depth 10 km at 081034Z jul 21
    West of Macquarie Island
  20. USGS-US7000EIT12021-07-05 → 2021-07-08
    Earthquake magnitude 5.5 (mww) in 43.285S 092.203E, depth 10 km at 050612Z jul 21
    Southeast Indian Ridge
  21. USGS-US7000EIGF2021-07-03 → 2021-07-06
    Earthquake magnitude 5.8 (mww) in 43.411S 092.104E, depth 10 km at 031158Z jul 21
    Southeast Indian Ridge
  22. USGS-US7000E53P2021-05-21 → 2021-05-24
    Earthquake magnitude 5.8 (mww) in 2.648S 068.103E, depth 10 km at 211602Z may 21
    Carlsberg Ridge
  23. USGS-US7000E50P2021-05-21 → 2021-05-24
    33 km ssw of sumberpucung, indonesia
  24. USGS-US7000E4U02021-05-20 → 2021-05-23
    Earthquake magnitude 5.7 (mww) in 41.048S 044.223E, depth 10 km at 201705Z may 21
    Crozet Islands Region
  25. USGS-US7000E4I72021-05-19 → 2021-05-22
    Earthquake magnitude 5.5 (mww) in 41.292S 085.706E, depth 10 km at 191608Z may 21
    Southeast Indian Ridge
  26. USGS-US7000E2ZT2021-05-14 → 2021-05-17
    260 km s of sinabang, indonesia
  27. USGS-US7000E2EC2021-05-12 → 2021-05-15
    Earthquake magnitude 6.7 (mww) in 17.387S 066.314E, depth 10 km at 121405Z may 21
    Mauritius - Reunion Region
  28. USGS-US7000E13B2021-05-07 → 2021-05-10
    Earthquake magnitude 6.1 (mww) in 54.413S 144.216E, depth 10 km at 071521Z may 21
    West of Macquarie Island
  29. USGS-US7000E07P2021-05-05 → 2021-05-08
    127 km ssw of padang, indonesia
  30. USGS-US7000DZIV2021-05-02 → 2021-05-05
    Earthquake magnitude 5.5 (mww) in 2.324S 099.790E, depth 21 km at 021746Z may 21
    Kepulauan Mentawai Region, Indonesia
  31. USGS-US6000E30X2021-04-19 → 2021-04-22
    254 km s of sinabang, indonesia
  32. USGS-US6000E1G32021-04-14 → 2021-04-17
    254 km s of sinabang, indonesia
  33. USGS-US6000E0IY2021-04-10 → 2021-04-13
    45 km s of sumberpucung, indonesia
  34. USGS-US6000DYTB2021-04-03 → 2021-04-06
    Earthquake magnitude 5.6 (mww) in 8.791S 067.632E, depth 10 km at 032026Z apr 21
    Mid-indian Ridge
  35. USGS-US7000DK212021-03-17 → 2021-03-20
    Earthquake magnitude 5.6 (mww) in 1.794S 069.148E, depth 10 km at 170004Z mar 21
    Carlsberg Ridge
  36. USGS-US7000DFW22021-03-05 → 2021-03-08
    153 km sw of padang, indonesia
  37. USGS-US7000DDW92021-02-26 → 2021-03-01
    Earthquake magnitude 5.8 (mww) in 47.283S 100.107E, depth 10 km at 261158Z feb 21
    Southeast Indian Ridge
  38. USGS-US7000DDIV2021-02-25 → 2021-02-28
    Earthquake magnitude 5.5 (mww) in 47.450S 100.044E, depth 10 km at 250851Z feb 21
    Southeast Indian Ridge
  39. USGS-US6000DG702021-02-10 → 2021-02-13
    219 km ssw of bengkulu, indonesia
  40. USGS-US6000DD2I2021-01-29 → 2021-02-01
    Earthquake magnitude 5.7 (mww) in 13.967S 121.864E, depth 10 km at 291947Z jan 21
    Northwest of Australia
  41. USGS-US6000D6722021-01-06 → 2021-01-09
    70 km wsw of pagar alam, indonesia
  42. USGS-US6000D3KL2020-12-28 → 2020-12-31
    Earthquake magnitude 5.7 (mww) in 47.507S 099.954E, depth 10 km at 280432Z dec 20
    Southeast Indian Ridge
  43. USGS-US6000CS8G2020-11-24 → 2020-11-27
    Earthquake magnitude 5.5 (mww) in 8.976S 067.582E, depth 10 km at 242202Z nov 20
    Mid-indian Ridge
  44. USGS-US6000CQME2020-11-20 → 2020-11-23
    Earthquake magnitude 5.7 (mww) in 53.940S 140.672E, depth 10 km at 200319Z nov 20
    West of Macquarie Island
  45. USGS-US7000CFXQ2020-11-17 → 2020-11-20
    222 km ssw of padang, indonesia
  46. USGS-US6000C9CS2020-10-19 → 2020-10-22
    186 km sw of sungai penuh, indonesia
  47. USGS-US6000C9CI2020-10-19 → 2020-10-22
    191 km sw of sungai penuh, indonesia
  48. USGS-US6000C1NP2020-09-26 → 2020-09-29
    Earthquake magnitude 6.1 (mww) in 48.025S 031.740E, depth 10 km at 261710Z sep 20
    South of Africa
  49. USGS-US7000BQAF2020-09-19 → 2020-09-22
    Earthquake magnitude 5.8 (mww) in 37.524S 077.887E, depth 10 km at 192109Z sep 20
    Mid-indian Ridge
  50. USGS-US7000BFBX2020-08-31 → 2020-09-03
    Earthquake magnitude 6.1 (mww) in 4.016S 070.197E, depth 10 km at 311724Z aug 20
    Chagos Archipelago 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.