Earthquake & tsunami bulletins in the North Atlantic Ocean

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

in force
0
last 12 months
6
vs previous 12 (14)
-57%
since 1997
283

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 North Atlantic 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 North Atlantic Ocean

Archive · 283 cancelled

  1. USGS-USP000H5432009-12-17 → 2009-12-20
    104 km sw of sagres, portugal
  2. USGS-USP000H3R62009-11-04 → 2009-11-07
    Earthquake magnitude 5.9 (mwc) in 36.155N 033.878W, depth 2 km at 041841Z nov 09
    Azores Islands Region
  3. USGS-USP000GXY32009-06-06 → 2009-06-09
    Earthquake magnitude 6.0 (mwc) in 23.864N 046.105W, depth 14 km at 062033Z jun 09
    Northern Mid-atlantic Ridge
  4. USGS-USP000GWNJ2009-04-28 → 2009-05-01
    Earthquake magnitude 5.6 (mwc) in 52.666N 035.028W, depth 10 km at 281954Z apr 09
    Reykjanes Ridge
  5. USGS-USP000GS132009-01-02 → 2009-01-05
    Earthquake magnitude 5.5 (mwc) in 0.791N 027.118W, depth 10 km at 022014Z jan 09
    Central Mid-atlantic Ridge
  6. USGS-USP000GS112009-01-02 → 2009-01-05
    Earthquake magnitude 5.6 (mwc) in 0.624N 026.661W, depth 10 km at 021942Z jan 09
    Central Mid-atlantic Ridge
  7. USGS-USP000GQXR2008-12-19 → 2008-12-22
    Earthquake magnitude 5.9 (mwb) in 47.006N 027.290W, depth 5 km at 190831Z dec 08
    Northern Mid-atlantic Ridge
  8. USGS-USP000GQ5E2008-12-08 → 2008-12-11
    Earthquake magnitude 5.5 (mwc) in 13.415N 044.795W, depth 10 km at 080151Z dec 08
    Northern Mid-atlantic Ridge
  9. USGS-USP000GQ3C2008-12-07 → 2008-12-10
    Earthquake magnitude 5.6 (mwc) in 13.350N 044.826W, depth 10 km at 070623Z dec 08
    Northern Mid-atlantic Ridge
  10. USGS-USP000GJYF2008-10-11 → 2008-10-14
    91 km n of charlotte amalie, U.S
  11. USGS-USP000GJ742008-10-03 → 2008-10-06
    Earthquake magnitude 5.6 (mwc) in 7.561N 036.882W, depth 10 km at 030530Z oct 08
    Central Mid-atlantic Ridge
  12. USGS-USP000GJ722008-10-03 → 2008-10-06
    Earthquake magnitude 5.7 (mwc) in 7.517N 036.758W, depth 5 km at 030526Z oct 08
    Central Mid-atlantic Ridge
  13. USGS-USP000GH4X2008-09-16 → 2008-09-19
    Earthquake magnitude 5.8 (mwc) in 0.902N 028.998W, depth 10 km at 160728Z sep 08
    Central Mid-atlantic Ridge
  14. USGS-USP000GGSV2008-09-10 → 2008-09-13
    Earthquake magnitude 6.6 (mwc) in 8.093N 038.705W, depth 9 km at 101308Z sep 08
    Central Mid-atlantic Ridge
  15. USGS-USP000GB742008-07-03 → 2008-07-06
    80 km e of rio claro, trinidad and tobago
  16. USGS-USP000G8262008-05-29 → 2008-06-01
    8 km n of selfoss, iceland
  17. USGS-USP000G7M62008-05-24 → 2008-05-27
    Earthquake magnitude 5.5 (mwc) in 42.386N 030.515W, depth 10 km at 240458Z may 08
    Azores Islands Region
  18. USGS-USP000G7KE2008-05-23 → 2008-05-26
    Earthquake magnitude 6.5 (mwc) in 7.313N 034.897W, depth 8 km at 231935Z may 08
    Central Mid-atlantic Ridge
  19. USGS-USP000FYEP2008-02-08 → 2008-02-11
    Earthquake magnitude 6.9 (mwc) in 10.671N 041.899W, depth 9 km at 080938Z feb 08
    Northern Mid-atlantic Ridge
  20. USGS-USP000FY4H2008-02-04 → 2008-02-07
    Earthquake magnitude 5.5 (mwc) in 19.028N 066.902W, depth 14 km at 040743Z feb 08
    Puerto Rico Region
  21. USGS-USP000FTY22007-12-06 → 2007-12-09
    Earthquake magnitude 5.8 (mwb) in 22.692N 045.113W, depth 10 km at 061712Z dec 07
    Northern Mid-atlantic Ridge
  22. USGS-USP000FQUE2007-10-18 → 2007-10-21
    Earthquake magnitude 5.7 (mwb) in 30.132N 042.594W, depth 10 km at 181613Z oct 07
    Northern Mid-atlantic Ridge
  23. USGS-USP000FKB62007-08-20 → 2007-08-23
    Earthquake magnitude 6.5 (mwc) in 8.037N 039.251W, depth 6 km at 202242Z aug 07
    Central Mid-atlantic Ridge
  24. USGS-USP000FJ9B2007-08-09 → 2007-08-12
    Earthquake magnitude 5.6 (mwb) in 25.918N 045.001W, depth 10 km at 091725Z aug 07
    Northern Mid-atlantic Ridge
  25. USGS-USP000FFBW2007-07-03 → 2007-07-06
    Earthquake magnitude 6.3 (mwc) in 0.715N 030.272W, depth 10 km at 030826Z jul 07
    Central Mid-atlantic Ridge
  26. USGS-USP000FCJ42007-05-23 → 2007-05-26
    Earthquake magnitude 5.7 (mwc) in 52.352N 031.814W, depth 10 km at 230441Z may 07
    Northern Mid-atlantic Ridge
  27. USGS-USP000F8YJ2007-04-07 → 2007-04-10
    82 km se of senhora do rosário, portugal
  28. USGS-USP000F8R52007-04-05 → 2007-04-08
    74 km se of povoação, portugal
  29. USGS-USP000F69V2007-03-07 → 2007-03-10
    Earthquake magnitude 5.5 (mwc) in 3.018N 031.819W, depth 10 km at 072301Z mar 07
    Central Mid-atlantic Ridge
  30. USGS-USP000F62B2007-03-04 → 2007-03-07
    Earthquake magnitude 5.6 (mwb) in 33.790N 038.473W, depth 10 km at 041126Z mar 07
    Northern Mid-atlantic Ridge
  31. USGS-USP000F5X22007-03-01 → 2007-03-04
    Earthquake magnitude 6.0 (mwc) in 26.581N 044.594W, depth 10 km at 012311Z mar 07
    Northern Mid-atlantic Ridge
  32. USGS-USP000F4QU2007-02-12 → 2007-02-15
    181 km sw of sagres, portugal
  33. USGS-USP000F4872007-02-04 → 2007-02-07
    Earthquake magnitude 5.6 (mwb) in 35.344N 035.944W, depth 10 km at 040333Z feb 07
    Northern Mid-atlantic Ridge
  34. USGS-USP000EZ592006-11-29 → 2006-12-02
    Earthquake magnitude 5.6 (mwb) in 53.741N 035.438W, depth 10 km at 291538Z nov 06
    Reykjanes Ridge
  35. USGS-USP000EU4Y2006-09-30 → 2006-10-03
    Earthquake magnitude 5.5 (mwc) in 7.283N 034.658W, depth 10 km at 301247Z sep 06
    Central Mid-atlantic Ridge
  36. USGS-USP000EPUP2006-07-29 → 2006-08-01
    Earthquake magnitude 5.8 (mwb) in 23.589N 063.923W, depth 10 km at 291953Z jul 06
    North Atlantic Ocean
  37. USGS-USP000EKRD2006-06-18 → 2006-06-21
    Earthquake magnitude 6.0 (mwc) in 33.028N 039.702W, depth 9 km at 181828Z jun 06
    Northern Mid-atlantic Ridge
  38. USGS-USP000EJR72006-06-05 → 2006-06-08
    Earthquake magnitude 5.7 (mwc) in 1.018N 028.162W, depth 10 km at 050634Z jun 06
    Central Mid-atlantic Ridge
  39. USGS-USP000EJR62006-06-05 → 2006-06-08
    Earthquake magnitude 6.0 (mwc) in 1.175N 028.065W, depth 10 km at 050627Z jun 06
    Central Mid-atlantic Ridge
  40. USGS-USP000EE2V2006-04-10 → 2006-04-13
    Earthquake magnitude 5.7 (mwc) in 7.511N 036.930W, depth 10 km at 100626Z apr 06
    Central Mid-atlantic Ridge
  41. USGS-USP000ED1F2006-03-27 → 2006-03-30
    Earthquake magnitude 5.5 (mwc) in 7.075N 034.216W, depth 10 km at 270110Z mar 06
    Central Mid-atlantic Ridge
  42. USGS-USP000EBSR2006-03-09 → 2006-03-12
    Earthquake magnitude 6.0 (mwc) in 0.791N 026.125W, depth 10 km at 091755Z mar 06
    Central Mid-atlantic Ridge
  43. USGS-USP000EBB72006-03-04 → 2006-03-07
    Earthquake magnitude 5.6 (mwc) in 1.133N 027.879W, depth 10 km at 040053Z mar 06
    Central Mid-atlantic Ridge
  44. USGS-USP000EB6Y2006-03-02 → 2006-03-05
    147 km nnw of sandy ground village, anguilla
  45. USGS-USP000E8H82006-01-20 → 2006-01-23
    Earthquake magnitude 5.7 (mwc) in 31.066N 041.422W, depth 10 km at 200853Z jan 06
    Northern Mid-atlantic Ridge
  46. USGS-USP000E7YD2006-01-10 → 2006-01-13
    Earthquake magnitude 5.5 (mwc) in 37.057N 014.133W, depth 10 km at 100109Z jan 06
    Azores-cape St · Vincent Ridge
  47. USGS-USP000E5YP2005-12-11 → 2005-12-14
    Earthquake magnitude 5.7 (mwb) in 15.272N 045.835W, depth 10 km at 110626Z dec 05
    Northern Mid-atlantic Ridge
  48. USGS-USP000E5YG2005-12-11 → 2005-12-14
    Earthquake magnitude 5.6 (mwb) in 15.302N 045.862W, depth 10 km at 110442Z dec 05
    Northern Mid-atlantic Ridge
  49. USGS-USP000DDNQ2005-01-18 → 2005-01-21
    Earthquake magnitude 5.7 (mwb) in 57.049N 033.811W, depth 10 km at 180659Z jan 05
    Reykjanes Ridge
  50. USGS-USP000D72P2004-10-25 → 2004-10-28
    Earthquake magnitude 5.6 (mwc) in 0.853N 028.991W, depth 10 km at 252059Z oct 04
    Central Mid-atlantic 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 North Atlantic Ocean — page 4 · seahazards