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-US6000MIPE2024-03-13 → 2024-03-16
    Earthquake magnitude 5.5 (mww) in 49.659S 125.883E, depth 10 km at 132006Z mar 24
    Western Indian-antarctic Ridge
  2. USGS-US7000M1H82024-02-25 → 2024-02-28
    79 km wsw of pelabuhanratu, indonesia
  3. USGS-US6000M53T2024-01-20 → 2024-01-23
    Earthquake magnitude 6.2 (mww) in 39.930S 046.197E, depth 10 km at 202209Z jan 24
    Southwest Indian Ridge
  4. USGS-US6000M26Y2024-01-06 → 2024-01-09
    Earthquake magnitude 5.6 (mww) in 3.148N 065.488E, depth 10 km at 061146Z jan 24
    Carlsberg Ridge
  5. HYDROPAC 4061/232023-12-30 → 2023-12-30
    Earthquake with preliminary magnitude of 6.6 occurred in vicinity 02-30.00N 092-50.40E at 300519Z dec
    Northern Indian Ocean
  6. USGS-US6000M0J82023-12-30 → 2024-01-02
    Earthquake magnitude 5.7 (mww) in 2.495N 092.994E, depth 19 km at 300519Z dec 23
    Off the West Coast of Northern Sumatra
  7. USGS-US6000M0B42023-12-29 → 2024-01-01
    Earthquake magnitude 5.7 (mww) in 7.113S 067.980E, depth 10 km at 290118Z dec 23
    Mid-indian Ridge
  8. USGS-US7000LKXB2023-12-22 → 2023-12-25
    Earthquake magnitude 6.1 (mww) in 52.088S 027.952E, depth 10 km at 221736Z dec 23
    South of Africa
  9. USGS-US6000LQYW2023-11-27 → 2023-11-30
    Earthquake magnitude 5.6 (mww) in 26.114S 070.743E, depth 10 km at 270234Z nov 23
    Indian Ocean Triple Junction
  10. USGS-USD00103XY2023-11-14 → 2023-11-17
    Earthquake magnitude 6.1 (mww) in 4.033S 087.104E, depth 9 km at 140700Z nov 23
    South Indian Ocean
  11. USGS-US6000LF9X2023-10-13 → 2023-10-16
    Earthquake magnitude 5.9 (mww) in 51.795S 139.500E, depth 7 km at 130344Z oct 23
    Western Indian-antarctic Ridge
  12. USGS-US6000LEWS2023-10-11 → 2023-10-14
    Earthquake magnitude 6.3 (mww) in 52.045S 139.613E, depth 10 km at 112004Z oct 23
    West of Macquarie Island
  13. USGS-US6000LBTU2023-09-30 → 2023-10-03
    Earthquake magnitude 5.8 (mww) in 52.841S 140.191E, depth 10 km at 300031Z sep 23
    West of Macquarie Island
  14. USGS-US6000LB602023-09-27 → 2023-09-30
    Earthquake magnitude 5.5 (mww) in 0.862N 093.113E, depth 10 km at 271747Z sep 23
    Off the West Coast of Northern Sumatra
  15. USGS-US7000KWZ52023-09-20 → 2023-09-23
    Earthquake magnitude 5.7 (mww) in 44.894S 035.202E, depth 10 km at 201922Z sep 23
    Prince Edward Islands Region
  16. USGS-US7000KW6R2023-09-16 → 2023-09-19
    Earthquake magnitude 5.5 (mww) in 13.728S 066.232E, depth 10 km at 161347Z sep 23
    Mid-indian Ridge
  17. USGS-US6000KZTR2023-08-14 → 2023-08-17
    Earthquake magnitude 6.0 (mww) in 43.504S 039.108E, depth 10 km at 141039Z aug 23
    Prince Edward Islands Region
  18. USGS-US6000KW3Z2023-07-28 → 2023-07-31
    Earthquake magnitude 5.9 (mww) in 30.497S 059.782E, depth 10 km at 280758Z jul 23
    Southwest Indian Ridge
  19. USGS-US6000KW2W2023-07-28 → 2023-07-31
    Earthquake magnitude 5.5 (mww) in 30.439S 059.846E, depth 10 km at 280703Z jul 23
    Southwest Indian Ridge
  20. USGS-US6000KPDW2023-07-01 → 2023-07-04
    Earthquake magnitude 5.9 (mww) in 0.152S 088.718E, depth 31 km at 010729Z jul 23
    South Indian Ocean
  21. USGS-US6000KP2E2023-06-30 → 2023-07-03
    82 km ssw of bambanglipuro, indonesia
  22. USGS-US7000K9TI2023-06-20 → 2023-06-23
    160 km nw of tuapejat, indonesia
  23. USGS-US7000K9FI2023-06-18 → 2023-06-21
    Earthquake magnitude 6.0 (mww) in 48.673S 031.132E, depth 8 km at 182159Z jun 23
    South of Africa
  24. USGS-US7000K6XU2023-06-07 → 2023-06-10
    146 km s of wonosari, indonesia
  25. USGS-US6000KDMQ2023-05-21 → 2023-05-24
    Earthquake magnitude 6.8 (mww) in 43.399S 039.303E, depth 28 km at 211456Z may 23
    Prince Edward Islands Region
  26. USGS-US7000JVWY2023-04-26 → 2023-04-29
    Earthquake magnitude 5.7 (mww) in 9.077S 067.320E, depth 10 km at 260014Z apr 23
    Mid-indian Ridge
  27. USGS-US7000JVL32023-04-24 → 2023-04-27
    171 km sse of teluk dalam, indonesia
  28. USGS-US6000K6FS2023-04-22 → 2023-04-25
    171 km nw of tuapejat, indonesia
  29. USGS-US6000K6EH2023-04-22 → 2023-04-25
    170 km w of pariaman, indonesia
  30. USGS-US6000K5Z02023-04-21 → 2023-04-24
    Earthquake magnitude 5.7 (mww) in 38.555S 078.149E, depth 10 km at 210906Z apr 23
    Mid-indian Ridge
  31. USGS-US6000K4PF2023-04-15 → 2023-04-18
    94 km ssw of pagar alam, indonesia
  32. USGS-US6000K4PD2023-04-15 → 2023-04-18
    Earthquake magnitude 5.9 (mww) in 33.744S 056.066E, depth 10 km at 151501Z apr 23
    Southwest Indian Ridge
  33. USGS-US6000K1QA2023-04-03 → 2023-04-06
    77 km sw of padangsidempuan, indonesia
  34. USGS-US6000K18Y2023-03-31 → 2023-04-03
    Earthquake magnitude 5.6 (mww) in 50.002S 114.065E, depth 10 km at 312236Z mar 23
    Western Indian-antarctic Ridge
  35. USGS-US6000JMVC2023-02-09 → 2023-02-12
    Earthquake magnitude 5.5 (mww) in 1.275S 067.562E, depth 10 km at 092112Z feb 23
    Carlsberg Ridge
  36. USGS-US7000J4KR2023-01-15 → 2023-01-18
    40 km se of singkil, indonesia
  37. USGS-US6000J7AT2022-12-06 → 2022-12-09
    Earthquake magnitude 5.5 (mww) in 40.811S 078.564E, depth 10 km at 060934Z dec 22
    Mid-indian Ridge
  38. USGS-US6000J77L2022-12-06 → 2022-12-09
    269 km s of kencong, indonesia
  39. USGS-US6000J6K52022-12-03 → 2022-12-06
    20 km ese of banjar, indonesia
  40. USGS-US7000IQPN2022-11-18 → 2022-11-21
    204 km sw of bengkulu, indonesia
  41. USGS-US7000IQ2D2022-11-16 → 2022-11-19
    197 km wsw of bengkulu, indonesia
  42. USGS-US6000IQ5F2022-10-02 → 2022-10-05
    Earthquake magnitude 5.7 (mww) in 37.927S 077.920E, depth 10 km at 020732Z oct 22
    Mid-indian Ridge
  43. USGS-US6000IPRI2022-09-30 → 2022-10-03
    41 km nne of sibolga, indonesia
  44. USGS-US7000IAKA2022-09-23 → 2022-09-26
    37 km ssw of meulaboh, indonesia
  45. USGS-US7000I9BI2022-09-19 → 2022-09-22
    Earthquake magnitude 5.9 (mww) in 36.919S 078.327E, depth 10 km at 191642Z sep 22
    Mid-indian Ridge
  46. USGS-US6000IISL2022-09-10 → 2022-09-13
    179 km wsw of pariaman, indonesia
  47. USGS-US6000IISB2022-09-10 → 2022-09-13
    173 km wsw of pariaman, indonesia
  48. USGS-US7000I38S2022-08-29 → 2022-09-01
    173 km wsw of pariaman, indonesia
  49. USGS-US7000I37C2022-08-28 → 2022-08-31
    Earthquake magnitude 5.7 (mww) in 1.017S 098.665E, depth 43 km at 282234Z aug 22
    Kepulauan Mentawai Region, Indonesia
  50. USGS-US6000ID0T2022-08-23 → 2022-08-26
    119 km s of pagar alam, indonesia

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.