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
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99
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01
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03
04
05
06
07
08
09
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17
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19
20
21
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26

By month (all years)

J
F
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A
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Other hazards in the Indian Ocean

Archive · 980 cancelled

  1. USGS-US6000TMLU2026-08-21 → 2026-08-24
    194 km sw of labuan, indonesia
  2. USGS-US6000TLKT2026-08-18 → 2026-08-21
    154 km sse of teluk dalam, indonesia
  3. USGS-US7000SNVT2026-05-27 → 2026-05-30
    Earthquake magnitude 6.0 (mww) in 50.406S 139.262E, depth 10 km at 271501Z may 26
    Western Indian-antarctic Ridge
  4. USGS-US7000SNVR2026-05-27 → 2026-05-30
    Earthquake magnitude 6.0 (mww) in 50.507S 139.487E, depth 10 km at 271451Z may 26
    Western Indian-antarctic Ridge
  5. USGS-US6000SZMU2026-05-23 → 2026-05-26
    Earthquake magnitude 5.6 (mww) in 47.489S 099.962E, depth 10 km at 230541Z may 26
    Southeast Indian Ridge
  6. USGS-US6000SW5Q2026-05-08 → 2026-05-11
    Earthquake magnitude 5.8 (mww) in 43.453S 091.613E, depth 10 km at 080717Z may 26
    Southeast Indian Ridge
  7. USGS-US7000SICU2026-05-05 → 2026-05-08
    70 km s of tambolaka, indonesia
  8. USGS-US6000SR5Z2026-04-18 → 2026-04-21
    72 km wsw of gunungsitoli, indonesia
  9. USGS-US6000SPYE2026-04-14 → 2026-04-17
    Earthquake magnitude 5.7 (mwb) in 49.289S 030.407E, depth 10 km at 141013Z apr 26
    South of Africa
  10. USGS-US7000S1LN2026-03-03 → 2026-03-06
    62 km se of sinabang, indonesia
  11. USGS-US6000S6NE2026-02-05 → 2026-02-08
    101 km ssw of trenggalek, indonesia
  12. USGS-US6000S4MJ2026-01-27 → 2026-01-30
    5 km sw of ponorogo, indonesia
  13. USGS-US7000RS2I2026-01-26 → 2026-01-29
    Earthquake magnitude 5.6 (mww) in 54.582S 143.911E, depth 10 km at 260607Z jan 26
    West of Macquarie Island
  14. USGS-US7000RQ3W2026-01-16 → 2026-01-19
    Earthquake magnitude 5.5 (mww) in 50.096S 114.201E, depth 10 km at 161641Z jan 26
    Western Indian-antarctic Ridge
  15. USGS-US7000RNTV2026-01-10 → 2026-01-13
    Earthquake magnitude 5.5 (mww) in 20.013S 066.498E, depth 10 km at 100322Z jan 26
    Mauritius - Reunion Region
  16. USGS-US7000RMFE2026-01-04 → 2026-01-07
    Earthquake magnitude 5.7 (mww) in 43.541S 039.161E, depth 10 km at 041307Z jan 26
    Prince Edward Islands Region
  17. USGS-US7000RM8T2026-01-03 → 2026-01-06
    Earthquake magnitude 5.9 (mww) in 45.469S 096.441E, depth 10 km at 031007Z jan 26
    Southeast Indian Ridge
  18. USGS-US7000RLTG2026-01-01 → 2026-01-04
    Earthquake magnitude 6.0 (mww) in 45.612S 096.359E, depth 10 km at 010153Z jan 26
    Southeast Indian Ridge
  19. USGS-US7000RE2G2025-11-27 → 2025-11-30
    54 km wnw of sinabang, indonesia
  20. USGS-US6000RKTG2025-10-31 → 2025-11-03
    Earthquake magnitude 5.9 (mww) in 45.290S 096.842E, depth 8 km at 312053Z oct 25
    Southeast Indian Ridge
  21. USGS-US6000R3BG2025-08-23 → 2025-08-26
    57 km sse of sinabang, indonesia
  22. USGS-US6000QV3Y2025-07-25 → 2025-07-28
    Earthquake magnitude 5.7 (mww) in 55.325S 146.438E, depth 10 km at 251245Z jul 25
    West of Macquarie Island
  23. USGS-US6000QV1B2025-07-25 → 2025-07-28
    Earthquake magnitude 6.2 (mww) in 55.407S 146.585E, depth 10 km at 251122Z jul 25
    West of Macquarie Island
  24. USGS-US6000QU2U2025-07-22 → 2025-07-25
    Earthquake magnitude 5.5 (mww) in 4.827S 068.799E, depth 10 km at 220504Z jul 25
    Chagos Archipelago Region
  25. USGS-US7000QD6B2025-07-17 → 2025-07-20
    76 km s of tambolaka, indonesia
  26. USGS-US6000QJ0L2025-06-08 → 2025-06-11
    Earthquake magnitude 5.5 (mww) in 47.888S 115.958E, depth 10 km at 082128Z jun 25
    Western Indian-antarctic Ridge
  27. USGS-US6000QJ0H2025-06-08 → 2025-06-11
    Earthquake magnitude 5.9 (mww) in 47.803S 116.049E, depth 9 km at 082115Z jun 25
    Western Indian-antarctic Ridge
  28. USGS-US6000QISJ2025-06-07 → 2025-06-10
    Earthquake magnitude 6.2 (mww) in 47.827S 115.996E, depth 10 km at 072320Z jun 25
    Western Indian-antarctic Ridge
  29. USGS-US6000QINR2025-06-07 → 2025-06-10
    Earthquake magnitude 5.5 (mww) in 14.922S 066.795E, depth 10 km at 070733Z jun 25
    Mid-indian Ridge
  30. USGS-US7000Q0W72025-05-22 → 2025-05-25
    21 km s of bengkulu, indonesia
  31. USGS-US7000Q0RE2025-05-22 → 2025-05-25
    Earthquake magnitude 5.7 (mww) in 37.486S 051.361E, depth 10 km at 220834Z may 25
    South Indian Ocean
  32. USGS-US7000PYJN2025-05-11 → 2025-05-14
    19 km ene of blangpidie, indonesia
  33. USGS-US7000PUX22025-04-24 → 2025-04-27
    Earthquake magnitude 5.7 (mww) in 46.355S 095.976E, depth 10 km at 242222Z apr 25
    Southeast Indian Ridge
  34. USGS-US6000Q6CS2025-04-16 → 2025-04-19
    Earthquake magnitude 6.6 (mww) in 47.809S 099.613E, depth 10 km at 160142Z apr 25
    Southeast Indian Ridge
  35. USGS-US6000Q4LV2025-04-07 → 2025-04-10
    64 km se of sinabang, indonesia
  36. USGS-US7000PP132025-03-31 → 2025-04-03
    67 km ssw of tambolaka, indonesia
  37. USGS-US7000PC0E2025-02-07 → 2025-02-10
    Earthquake magnitude 5.8 (mww) in 9.707S 097.570E, depth 21 km at 070431Z feb 25
    Southwest of Sumatra, Indonesia
  38. USGS-US7000PA9D2025-01-31 → 2025-02-03
    58 km sse of blangpidie, indonesia
  39. USGS-US7000NXCT2024-12-09 → 2024-12-12
    Earthquake magnitude 5.6 (mww) in 9.106S 066.800E, depth 10 km at 091725Z dec 24
    Mid-indian Ridge
  40. USGS-US7000NMSY2024-10-24 → 2024-10-27
    Earthquake magnitude 5.6 (mww) in 41.935S 080.035E, depth 10 km at 240430Z oct 24
    Mid-indian Ridge
  41. USGS-US7000NGMR2024-09-26 → 2024-09-29
    Earthquake magnitude 6.3 (mww) in 17.199S 066.534E, depth 10 km at 261919Z sep 24
    Mauritius - Reunion Region
  42. USGS-US7000N8WR2024-08-23 → 2024-08-26
    Earthquake magnitude 5.5 (mww) in 53.021S 021.065E, depth 10 km at 230445Z aug 24
    South of Africa
  43. USGS-US7000MY762024-07-10 → 2024-07-13
    Earthquake magnitude 6.6 (mww) in 53.309S 025.348E, depth 4 km at 100455Z jul 24
    South of Africa
  44. USGS-US7000MSPM2024-06-15 → 2024-06-18
    Earthquake magnitude 5.5 (mww) in 40.569S 078.115E, depth 10 km at 151838Z jun 24
    Mid-indian Ridge
  45. USGS-US7000MQDW2024-06-05 → 2024-06-08
    183 km w of bengkulu, indonesia
  46. USGS-US7000MP992024-05-31 → 2024-06-03
    Earthquake magnitude 6.2 (mww) in 43.306S 041.723E, depth 10 km at 311546Z may 24
    Prince Edward Islands Region
  47. USGS-US6000N1GI2024-05-28 → 2024-05-31
    93 km wnw of sinabang, indonesia
  48. USGS-US6000N0EE2024-05-23 → 2024-05-26
    Earthquake magnitude 5.6 (mww) in 37.112S 047.702E, depth 10 km at 231127Z may 24
    Southwest Indian Ridge
  49. USGS-US6000MUC02024-04-27 → 2024-04-30
    91 km s of banjar, indonesia
  50. USGS-US6000MU572024-04-26 → 2024-04-29
    Earthquake magnitude 5.8 (mww) in 37.047S 078.169E, depth 10 km at 262223Z apr 24
    Mid-indian Ridge

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 Indian Ocean · seahazards