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-USP000JM952012-06-03 → 2012-06-06
    Earthquake magnitude 5.5 (mwc) in 16.235S 067.210E, depth 10 km at 031114Z jun 12
    Mid-indian Ridge
  2. USGS-USP000JKUP2012-05-23 → 2012-05-26
    Earthquake magnitude 5.9 (mwc) in 50.352S 139.536E, depth 7 km at 232319Z may 12
    Western Indian-antarctic Ridge
  3. USGS-USP000JKUJ2012-05-23 → 2012-05-26
    Earthquake magnitude 6.0 (mww) in 50.420S 139.516E, depth 10 km at 232259Z may 12
    Western Indian-antarctic Ridge
  4. USGS-USP000JJX02012-05-02 → 2012-05-05
    Earthquake magnitude 5.8 (mww) in 54.565S 143.836E, depth 10 km at 021217Z may 12
    West of Macquarie Island
  5. USGS-USP000JJT72012-04-30 → 2012-05-03
    Earthquake magnitude 5.7 (mww) in 1.757N 089.598E, depth 10 km at 300800Z apr 12
    North Indian Ocean
  6. USGS-USP000JJS12012-04-29 → 2012-05-02
    209 km w of sinabang, indonesia
  7. USGS-USP000JJMY2012-04-26 → 2012-04-29
    214 km w of sinabang, indonesia
  8. USGS-USP000JJDR2012-04-22 → 2012-04-25
    Earthquake magnitude 5.6 (mwc) in 52.867S 140.290E, depth 12 km at 221311Z apr 12
    West of Macquarie Island
  9. USGS-USP000JJAK2012-04-20 → 2012-04-23
    Earthquake magnitude 5.8 (mww) in 2.158N 093.360E, depth 28 km at 202314Z apr 12
    Off the West Coast of Northern Sumatra
  10. USGS-USP000JJAG2012-04-20 → 2012-04-23
    Earthquake magnitude 5.9 (mwc) in 3.269N 093.821E, depth 22 km at 202228Z apr 12
    Off the West Coast of Northern Sumatra
  11. USGS-USP000JJAE2012-04-20 → 2012-04-23
    270 km wsw of meulaboh, indonesia
  12. USGS-USP000JJ0A2012-04-15 → 2012-04-18
    Earthquake magnitude 6.2 (mww) in 2.581N 090.269E, depth 25 km at 150557Z apr 12
    Off the West Coast of Northern Sumatra
  13. USGS-USP000JHPT2012-04-11 → 2012-04-14
    Earthquake magnitude 5.8 (mwc) in 1.841N 089.685E, depth 10 km at 112356Z apr 12
    North Indian Ocean
  14. USGS-USP000JHNK2012-04-11 → 2012-04-14
    Earthquake magnitude 5.5 (mb) in 1.190N 092.092E, depth 14 km at 111904Z apr 12
    Off the West Coast of Northern Sumatra
  15. USGS-USP000JHKF2012-04-11 → 2012-04-14
    Earthquake magnitude 5.5 (mb) in 1.495N 090.854E, depth 5 km at 111358Z apr 12
    North Indian Ocean
  16. HYDROPAC 1037/122012-04-11 → 2012-04-12
    Tsunami warning
    Indian Ocean
  17. USGS-USP000JHJU2012-04-11 → 2012-04-14
    Earthquake magnitude 5.7 (mb) in 2.913N 089.544E, depth 10 km at 111153Z apr 12
    North Indian Ocean
  18. USGS-USP000JHJB2012-04-11 → 2012-04-14
    2012 wharton basin aftershock
  19. USGS-USP000JHHG2012-04-11 → 2012-04-14
    Earthquake magnitude 6.0 (mb) in 1.254N 091.735E, depth 10 km at 110927Z apr 12
    North Indian Ocean
  20. USGS-USP000JHH62012-04-11 → 2012-04-14
    Earthquake magnitude 5.9 (mb) in 2.199N 089.441E, depth 10 km at 110901Z apr 12
    North Indian Ocean
  21. USGS-USP000JHH32012-04-11 → 2012-04-14
    Earthquake magnitude 5.8 (mb) in 1.271N 091.748E, depth 10 km at 110855Z apr 12
    North Indian Ocean
  22. USGS-OFFICIAL20120411083836720_202012-04-11 → 2012-04-14
    2012 wharton basin earthquake
  23. USGS-USP000JHBB2012-04-06 → 2012-04-09
    178 km sw of sungai penuh, indonesia
  24. USGS-USP000JGU52012-03-26 → 2012-03-29
    Earthquake magnitude 5.6 (mwb) in 30.040S 060.653E, depth 10 km at 261658Z mar 12
    Southwest Indian Ridge
  25. USGS-USP000JGD92012-03-17 → 2012-03-20
    Earthquake magnitude 5.5 (mwb) in 3.823N 063.404E, depth 10 km at 171700Z mar 12
    Carlsberg Ridge
  26. USGS-USP000JF012012-02-16 → 2012-02-19
    292 km ne of port mathurin, mauritius
  27. USGS-USP000JDD92012-01-12 → 2012-01-15
    Earthquake magnitude 5.5 (mwc) in 52.113S 028.152E, depth 10 km at 121411Z jan 12
    South of Africa
  28. HYDROPAC 73/122012-01-10 → 2012-01-11
    Tsunami warning
    Eastern Indian Ocean
  29. USGS-USP000JDAR2012-01-10 → 2012-01-13
    Earthquake magnitude 7.2 (mww) in 2.433N 093.210E, depth 19 km at 101836Z jan 12
    Off the West Coast of Northern Sumatra
  30. USGS-USP000JCJP2011-12-23 → 2011-12-26
    Earthquake magnitude 5.9 (mww) in 52.120S 027.958E, depth 10 km at 231912Z dec 11
    South of Africa
  31. USGS-USP000JBQ12011-12-02 → 2011-12-05
    Earthquake magnitude 5.6 (mwb) in 34.002S 058.078E, depth 15 km at 020022Z dec 11
    South Indian Ocean
  32. USGS-USP000JA4Q2011-10-30 → 2011-11-02
    119 km wnw of bengkulu, indonesia
  33. USGS-USP000J99G2011-10-13 → 2011-10-16
    88 km sw of jimbaran, indonesia
  34. USGS-USP000J7NN2011-09-05 → 2011-09-08
    68 km wsw of kabanjahe, indonesia
  35. USGS-USP000J6VX2011-08-22 → 2011-08-25
    163 km sw of bandar lampung, indonesia
  36. USGS-USP000J5XU2011-08-04 → 2011-08-07
    92 km ssw of sungai penuh, indonesia
  37. USGS-USP000J5HJ2011-07-26 → 2011-07-29
    Earthquake magnitude 5.8 (mww) in 9.230S 067.113E, depth 10 km at 261426Z jul 11
    Mid-indian Ridge
  38. USGS-USP000J34V2011-06-14 → 2011-06-17
    38 km ene of sibolga, indonesia
  39. USGS-USP000J34T2011-06-14 → 2011-06-17
    50 km n of padangsidempuan, indonesia
  40. USGS-USP000J2RM2011-06-05 → 2011-06-08
    Earthquake magnitude 6.4 (mww) in 55.843S 146.620E, depth 3 km at 051151Z jun 11
    West of Macquarie Island
  41. USGS-USP000J2DY2011-05-29 → 2011-06-01
    Earthquake magnitude 5.9 (mww) in 7.715S 101.757E, depth 13 km at 291824Z may 11
    Southwest of Sumatra, Indonesia
  42. USGS-USP000J2C32011-05-28 → 2011-05-31
    182 km wsw of kotabumi, indonesia
  43. USGS-USP000J1Q52011-05-17 → 2011-05-20
    111 km s of dampit, indonesia
  44. USGS-USP000J1042011-05-04 → 2011-05-07
    129 km ssw of bengkulu, indonesia
  45. USGS-USP000J0M12011-04-26 → 2011-04-29
    74 km ssw of sidareja, indonesia
  46. USGS-USP000HZD72011-04-06 → 2011-04-09
    108 km sw of singkil, indonesia
  47. USGS-USP000HZ7H2011-04-03 → 2011-04-06
    278 km ssw of kawalu, indonesia
  48. USGS-USP000HU5N2011-02-06 → 2011-02-09
    286 km sw of labuan, indonesia
  49. USGS-USP000HTP92011-01-26 → 2011-01-29
    58 km ese of sinabang, indonesia
  50. USGS-USP000HTG52011-01-22 → 2011-01-25
    106 km wnw of sinabang, 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.