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-US1000H5H52018-10-02 → 2018-10-05
    91 km s of waingapu, indonesia
  2. USGS-US1000HF6G2018-10-02 → 2018-10-05
    91 km s of waingapu, indonesia
  3. USGS-US1000H5EG2018-10-01 → 2018-10-04
    99 km s of waingapu, indonesia
  4. USGS-US1000H3ML2018-09-28 → 2018-10-01
    Earthquake magnitude 5.7 (mww) in 26.513S 067.620E, depth 10 km at 280706Z sep 18
    Indian Ocean Triple Junction
  5. USGS-US1000H3LZ2018-09-28 → 2018-10-01
    Earthquake magnitude 5.6 (mww) in 26.493S 067.589E, depth 10 km at 280621Z sep 18
    Indian Ocean Triple Junction
  6. USGS-US2000HG932018-09-18 → 2018-09-21
    Earthquake magnitude 6.0 (mww) in 37.813S 049.776E, depth 10 km at 180727Z sep 18
    Southwest Indian Ridge
  7. USGS-US2000H6DJ2018-09-01 → 2018-09-04
    Earthquake magnitude 5.5 (mww) in 28.980S 074.559E, depth 10 km at 010613Z sep 18
    Mid-indian Ridge
  8. USGS-US1000GFP82018-08-22 → 2018-08-25
    Earthquake magnitude 5.6 (mww) in 52.734S 027.901E, depth 10 km at 222026Z aug 18
    South of Africa
  9. USGS-US1000G6W02018-08-11 → 2018-08-14
    Earthquake magnitude 5.7 (mww) in 55.154S 146.624E, depth 10 km at 111215Z aug 18
    West of Macquarie Island
  10. USGS-US2000GAXD2018-07-21 → 2018-07-24
    Earthquake magnitude 5.9 (mww) in 48.225S 099.645E, depth 10 km at 212056Z jul 18
    Southeast Indian Ridge
  11. USGS-US2000G1AY2018-07-10 → 2018-07-13
    Earthquake magnitude 5.6 (mww) in 31.592S 058.152E, depth 10 km at 101605Z jul 18
    Southwest Indian Ridge
  12. USGS-US2000G11I2018-07-10 → 2018-07-13
    Earthquake magnitude 5.6 (mww) in 31.599S 058.346E, depth 10 km at 101026Z jul 18
    Southwest Indian Ridge
  13. USGS-US2000FYRV2018-07-06 → 2018-07-09
    Earthquake magnitude 5.5 (mww) in 49.630S 126.040E, depth 10 km at 062335Z jul 18
    Western Indian-antarctic Ridge
  14. USGS-US1000EPP22018-06-13 → 2018-06-16
    219 km wsw of padang, indonesia
  15. USGS-US1000EPG02018-06-12 → 2018-06-15
    215 km wsw of padang, indonesia
  16. USGS-US1000EPFE2018-06-12 → 2018-06-15
    229 km wsw of padang, indonesia
  17. USGS-US1000DUGU2018-04-29 → 2018-05-02
    Earthquake magnitude 5.9 (mww) in 39.265S 046.120E, depth 10 km at 292223Z apr 18
    Southwest Indian Ridge
  18. USGS-US1000DQ0E2018-04-21 → 2018-04-24
    Earthquake magnitude 5.8 (mww) in 48.946S 123.591E, depth 10 km at 211944Z apr 18
    Western Indian-antarctic Ridge
  19. USGS-US1000DNUJ2018-04-19 → 2018-04-22
    Earthquake magnitude 6.0 (mww) in 42.780S 042.188E, depth 10 km at 192109Z apr 18
    Prince Edward Islands Region
  20. USGS-US1000D8NY2018-03-24 → 2018-03-27
    Earthquake magnitude 6.0 (mww) in 45.778S 096.069E, depth 10 km at 241958Z mar 18
    Southeast Indian Ridge
  21. USGS-US1000D3AE2018-03-12 → 2018-03-15
    Earthquake magnitude 5.6 (mww) in 46.356S 095.930E, depth 10 km at 120613Z mar 18
    Southeast Indian Ridge
  22. USGS-US2000CMWZ2018-01-23 → 2018-01-26
    66 km w of pelabuhanratu, indonesia
  23. USGS-US1000BVYV2017-12-25 → 2017-12-28
    Earthquake magnitude 5.5 (mww) in 27.885S 074.005E, depth 10 km at 251202Z dec 17
    Mid-indian Ridge
  24. HYDROPAC 4424/172017-12-15 → 2017-12-15
    An earthquake occurred at 151647Z dec with a preliminary magnitude of 6.8, in 07-57.0S 108-01.2E
    Eastern Indian Ocean · Indonesia
  25. USGS-US2000C4V82017-12-15 → 2017-12-18
    12 km ssw of kawalu, indonesia
  26. USGS-US1000BJR72017-12-01 → 2017-12-04
    Earthquake magnitude 5.5 (mww) in 48.779S 106.825E, depth 10 km at 010520Z dec 17
    Southeast Indian Ridge
  27. USGS-US2000BS5I2017-11-21 → 2017-11-24
    Earthquake magnitude 5.5 (mww) in 51.976S 139.698E, depth 10 km at 210104Z nov 17
    Western Indian-antarctic Ridge
  28. USGS-US2000ADJH2017-08-31 → 2017-09-03
    76 km sw of pariaman, indonesia
  29. USGS-US2000A7Q22017-08-13 → 2017-08-16
    71 km w of bengkulu, indonesia
  30. USGS-US2000A5DP2017-08-06 → 2017-08-09
    Earthquake magnitude 5.6 (mww) in 47.288S 099.867E, depth 10 km at 061932Z aug 17
    Southeast Indian Ridge
  31. USGS-US20009XZ42017-07-19 → 2017-07-22
    Earthquake magnitude 6.0 (mww) in 17.415S 066.484E, depth 10 km at 191216Z jul 17
    Mauritius - Reunion Region
  32. USGS-US20009PJX2017-06-25 → 2017-06-28
    Earthquake magnitude 5.6 (mww) in 9.540S 066.170E, depth 10 km at 250301Z jun 17
    Mid-indian Ridge
  33. USGS-US20009PGD2017-06-24 → 2017-06-27
    Earthquake magnitude 5.5 (mww) in 41.238S 080.638E, depth 10 km at 240727Z jun 17
    Mid-indian Ridge
  34. USGS-US20009LWC2017-06-11 → 2017-06-14
    150 km ssw of pelabuhanratu, indonesia
  35. USGS-US10008LZR2017-04-29 → 2017-05-02
    171 km s of boyolangu, indonesia
  36. USGS-US10008I342017-04-16 → 2017-04-19
    Earthquake magnitude 5.6 (mww) in 7.372S 083.172E, depth 10 km at 160944Z apr 17
    South Indian Ocean
  37. USGS-US10008FYE2017-04-09 → 2017-04-12
    Earthquake magnitude 5.5 (mww) in 52.176S 139.664E, depth 10 km at 090014Z apr 17
    West of Macquarie Island
  38. USGS-US20008SIQ2017-03-16 → 2017-03-19
    Earthquake magnitude 5.5 (mww) in 11.539S 114.574E, depth 10 km at 161839Z mar 17
    South of Bali, Indonesia
  39. USGS-US100087GX2017-03-07 → 2017-03-10
    272 km s of bengkulu, indonesia
  40. USGS-US10007SV22017-01-12 → 2017-01-15
    Earthquake magnitude 5.5 (mb) in 5.267S 102.724E, depth 23 km at 121329Z jan 17
    Southern Sumatra, Indonesia
  41. USGS-US10007P5D2017-01-02 → 2017-01-05
    Earthquake magnitude 5.7 (mwb) in 36.036S 051.929E, depth 10 km at 020013Z jan 17
    Southwest Indian Ridge
  42. USGS-US10007E4N2016-12-01 → 2016-12-04
    Earthquake magnitude 5.5 (mwb) in 35.202S 054.022E, depth 10 km at 012051Z dec 16
    South Indian Ocean
  43. USGS-US10007CW92016-11-28 → 2016-12-01
    Earthquake magnitude 5.5 (mwb) in 41.829S 088.468E, depth 10 km at 280807Z nov 16
    Southeast Indian Ridge
  44. USGS-US10007B3D2016-11-21 → 2016-11-24
    Earthquake magnitude 5.5 (mwb) in 53.750S 140.525E, depth 10 km at 210831Z nov 16
    West of Macquarie Island
  45. USGS-US100078VH2016-11-16 → 2016-11-19
    80 km s of kencong, indonesia
  46. USGS-US100076MA2016-11-10 → 2016-11-13
    Earthquake magnitude 5.7 (mwb) in 50.047S 114.382E, depth 10 km at 101224Z nov 16
    Western Indian-antarctic Ridge
  47. USGS-US100076592016-11-07 → 2016-11-10
    220 km ssw of labuan, indonesia
  48. USGS-US10006QBK2016-09-17 → 2016-09-20
    71 km sw of pagar alam, indonesia
  49. USGS-US10006Q7U2016-09-16 → 2016-09-19
    Earthquake magnitude 5.5 (mwb) in 29.155S 060.916E, depth 10 km at 161838Z sep 16
    Southwest Indian Ridge
  50. USGS-US10006JG12016-09-01 → 2016-09-04
    117 km sw of padangsidempuan, 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.

Earthquake & tsunami bulletins in the Indian Ocean — page 5 · seahazards