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-USP0009NMD2000-02-18 → 2000-02-21
    Earthquake magnitude 5.6 (mwc) in 16.569N 046.584W, depth 10 km at 180806Z feb 00
    Northern Mid-atlantic Ridge
  2. USGS-USP0009JXX1999-12-17 → 1999-12-20
    Earthquake magnitude 5.7 (mwc) in 8.069N 038.026W, depth 10 km at 170403Z dec 99
    Central Mid-atlantic Ridge
  3. USGS-USP0009JXW1999-12-17 → 1999-12-20
    Earthquake magnitude 5.5 (mwc) in 7.982N 037.968W, depth 10 km at 170400Z dec 99
    Central Mid-atlantic Ridge
  4. USGS-USP0009JGJ1999-12-05 → 1999-12-08
    Earthquake magnitude 5.5 (mwc) in 57.812N 032.728W, depth 10 km at 051621Z dec 99
    Reykjanes Ridge
  5. USGS-USP0009JEW1999-12-04 → 1999-12-07
    Earthquake magnitude 5.6 (mwc) in 57.667N 032.580W, depth 10 km at 040201Z dec 99
    Reykjanes Ridge
  6. USGS-USP00097841999-05-02 → 1999-05-05
    Earthquake magnitude 5.6 (mwc) in 56.794N 034.268W, depth 10 km at 021613Z may 99
    Reykjanes Ridge
  7. USGS-USP00095VE1999-04-06 → 1999-04-09
    Earthquake magnitude 5.9 (mwb) in 24.451N 046.374W, depth 10 km at 060451Z apr 99
    Northern Mid-atlantic Ridge
  8. USGS-USP00090991998-12-28 → 1998-12-31
    31 km ene of moa, cuba
  9. USGS-USP0008ZJW1998-12-13 → 1998-12-16
    Earthquake magnitude 5.5 (mwc) in 13.345N 044.845W, depth 10 km at 131731Z dec 98
    Northern Mid-atlantic Ridge
  10. USGS-USP0008VTK1998-10-01 → 1998-10-04
    Earthquake magnitude 6.0 (mwc) in 13.738N 045.565W, depth 10 km at 010341Z oct 98
    Northern Mid-atlantic Ridge
  11. USGS-USP0008R701998-07-09 → 1998-07-12
    12 km n of horta, portugal
  12. USGS-USP0008QG51998-06-25 → 1998-06-28
    29 km ene of codrington, antigua and barbuda
  13. USGS-USP0008QBR1998-06-23 → 1998-06-26
    Earthquake magnitude 5.5 (mwc) in 23.770N 045.102W, depth 10 km at 231058Z jun 98
    Northern Mid-atlantic Ridge
  14. USGS-USP0008P8F1998-06-03 → 1998-06-06
    Earthquake magnitude 5.5 (mwc) in 43.679N 029.020W, depth 10 km at 031547Z jun 98
    Northern Mid-atlantic Ridge
  15. USGS-USP0008M921998-05-01 → 1998-05-04
    Earthquake magnitude 5.5 (mwc) in 1.136N 028.489W, depth 10 km at 011718Z may 98
    Central Mid-atlantic Ridge
  16. USGS-USP0008JDK1998-04-01 → 1998-04-04
    Earthquake magnitude 5.8 (mwc) in 35.377N 035.787W, depth 10 km at 012137Z apr 98
    Northern Mid-atlantic Ridge
  17. USGS-USP0008GKD1998-02-25 → 1998-02-28
    Earthquake magnitude 5.6 (mwc) in 53.936N 035.223W, depth 10 km at 251905Z feb 98
    Reykjanes Ridge
  18. USGS-USP0008G3E1998-02-16 → 1998-02-19
    Earthquake magnitude 6.8 (mwc) in 52.718N 033.677W, depth 10 km at 162353Z feb 98
    Reykjanes Ridge
  19. USGS-USP0008G2Q1998-02-16 → 1998-02-19
    Earthquake magnitude 5.5 (mwc) in 52.693N 033.747W, depth 10 km at 161336Z feb 98
    Reykjanes Ridge
  20. USGS-USP0008CR91997-12-16 → 1997-12-19
    Earthquake magnitude 5.5 (mwc) in 29.985N 042.628W, depth 10 km at 161117Z dec 97
    Northern Mid-atlantic Ridge
  21. USGS-USP0008ANA1997-11-14 → 1997-11-17
    Earthquake magnitude 5.6 (mwc) in 0.808N 027.026W, depth 10 km at 141018Z nov 97
    Central Mid-atlantic Ridge
  22. USGS-USP0008ADY1997-11-10 → 1997-11-13
    Earthquake magnitude 5.6 (mwc) in 0.050N 016.893W, depth 10 km at 101247Z nov 97
    North of Ascension Island
  23. USGS-USP00089GP1997-10-23 → 1997-10-26
    Earthquake magnitude 5.5 (mwc) in 46.453N 027.505W, depth 10 km at 231407Z oct 97
    Northern Mid-atlantic Ridge
  24. USGS-USP00088H71997-10-04 → 1997-10-07
    Earthquake magnitude 5.7 (mwc) in 16.014N 046.749W, depth 10 km at 041534Z oct 97
    Northern Mid-atlantic Ridge
  25. USGS-USP00088H61997-10-04 → 1997-10-07
    Earthquake magnitude 5.5 (mwc) in 15.922N 046.646W, depth 10 km at 041529Z oct 97
    Northern Mid-atlantic Ridge
  26. USGS-USP00088261997-09-26 → 1997-09-29
    Earthquake magnitude 5.5 (mwc) in 0.124N 016.923W, depth 10 km at 261400Z sep 97
    North of Ascension Island
  27. USGS-USP000870Z1997-09-01 → 1997-09-04
    Earthquake magnitude 5.5 (mwc) in 0.027N 016.806W, depth 10 km at 012259Z sep 97
    North of Ascension Island
  28. USGS-USP00085TQ1997-08-05 → 1997-08-08
    Earthquake magnitude 5.5 (mwc) in 28.397N 043.766W, depth 10 km at 050248Z aug 97
    Northern Mid-atlantic Ridge
  29. USGS-USP00084161997-06-27 → 1997-06-30
    50 km se of porto martins, portugal
  30. USGS-USP0007ZAZ1997-03-23 → 1997-03-26
    Earthquake magnitude 5.9 (mwc) in 30.984N 041.542W, depth 10 km at 232048Z mar 97
    Northern Mid-atlantic Ridge
  31. USGS-USP0007YYD1997-03-17 → 1997-03-20
    90 km nne of the valley, anguilla
  32. USGS-USP0007XQV1997-02-24 → 1997-02-27
    Earthquake magnitude 5.6 (mwc) in 10.816N 043.612W, depth 10 km at 240417Z feb 97
    Northern Mid-atlantic Ridge
  33. USGS-USP0007VNK1997-01-09 → 1997-01-12
    Earthquake magnitude 5.5 (mwc) in 34.456N 037.284W, depth 10 km at 090850Z jan 97
    Northern 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 6 · seahazards