Earthquake & tsunami bulletins in the North Pacific Ocean

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

in force
2
last 12 months
134
vs previous 12 (141)
-5%
since 1997
2,413

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 · 2

  1. USGS-US7000TDVTin force2026-09-03
    Earthquake magnitude 6.3, 84 km SSW of Nikolski, Alaska, depth 35 km at 03:11 UTC Sep 26. Tsunami message issued; follow tsunami warning centres.
  2. USGS-US7000TDMPin force2026-09-02
    An earthquake of magnitude 5.6 struck 71 km WSW of Puerto Madero, Mexico, at depth 10 km on September 26.

Longest in force

  1. USGS-US7000TDMPin force2026-09-02 · 2 d
    An earthquake of magnitude 5.6 struck 71 km WSW of Puerto Madero, Mexico, at depth 10 km on September 26.
  2. USGS-US7000TDVTin force2026-09-03 · 1 d
    Earthquake magnitude 6.3, 84 km SSW of Nikolski, Alaska, depth 35 km at 03:11 UTC Sep 26. Tsunami message issued; follow tsunami warning centres.

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 Pacific Ocean

Archive · 2,411 cancelled

  1. USGS-USP000J1GR2011-05-13 → 2011-05-16
    Earthquake magnitude 5.5 (mww) in 12.434N 143.987E, depth 6 km at 130104Z may 11
    Guam Region
  2. USGS-USP000J1942011-05-09 → 2011-05-12
    199 km ese of onagawa ch?, japan
  3. USGS-USP000J1672011-05-07 → 2011-05-10
    69 km ese of hachinohe, japan
  4. USGS-USP000J11C2011-05-05 → 2011-05-08
    224 km se of kamaishi, japan
  5. USGS-USP000J11A2011-05-05 → 2011-05-08
    2 km se of cuanacaxtitlán, mexico
  6. USGS-USP000J0TF2011-04-30 → 2011-05-03
    143 km sse of punta de burica, panama
  7. USGS-USP000J0QK2011-04-28 → 2011-05-01
    Earthquake magnitude 5.8 (mww) in 10.129N 103.614W, depth 10 km at 281307Z apr 11
    Northern East Pacific Rise
  8. USGS-USP000J0QD2011-04-28 → 2011-05-01
    Earthquake magnitude 5.5 (mww) in 37.455N 141.653E, depth 38 km at 280927Z apr 11
    Near the East Coast of Honshu, Japan
  9. USGS-USP000J0MF2011-04-26 → 2011-04-29
    8 km nne of el cortés, mexico
  10. USGS-USP000J0EW2011-04-23 → 2011-04-26
    88 km ese of kamaishi, japan
  11. USGS-USP000J0CF2011-04-21 → 2011-04-24
    20 km ene of namie, japan
  12. USGS-USP000J0C32011-04-21 → 2011-04-24
    6 km wnw of t?gane, japan
  13. USGS-USP000J0B92011-04-21 → 2011-04-24
    161 km ene of miyako, japan
  14. USGS-USP000J0B72011-04-21 → 2011-04-24
    157 km ene of miyako, japan
  15. USGS-USP000J0342011-04-16 → 2011-04-19
    267 km ese of namie, japan
  16. USGS-USP000HZYM2011-04-14 → 2011-04-17
    48 km wsw of tola, nicaragua
  17. USGS-USP000HZXK2011-04-14 → 2011-04-17
    96 km ese of hasaki, japan
  18. USGS-USP000HZW72011-04-13 → 2011-04-16
    107 km e of miyako, japan
  19. USGS-USP000HZW12011-04-13 → 2011-04-16
    120 km e of yamada, japan
  20. USGS-USP000HZTX2011-04-12 → 2011-04-15
    0 km wnw of ?tsuchi, japan
  21. USGS-USP000HZT42011-04-12 → 2011-04-15
    8 km wsw of ishikawa, japan
  22. USGS-USP000HZSK2011-04-11 → 2011-04-14
    23 km se of t?gane, japan
  23. USGS-USP000HZRB2011-04-11 → 2011-04-14
    20 km ssw of ishikawa, japan
  24. USGS-USP000HZQ92011-04-11 → 2011-04-14
    14 km sse of marumori, japan
  25. USGS-USP000HZQ82011-04-11 → 2011-04-14
    17 km ssw of ishikawa, japan
  26. USGS-USP000HZF62011-04-07 → 2011-04-10
    29 km ese of ishinomaki, japan
  27. USGS-USP000HZ302011-04-01 → 2011-04-04
    129 km ene of miyako, japan
  28. USGS-USP000HZ2B2011-04-01 → 2011-04-04
    6 km se of ?tsuchi, japan
  29. USGS-USP000HYZJ2011-03-31 → 2011-04-03
    18 km sse of ?funato, japan
  30. USGS-USP000HYX02011-03-30 → 2011-04-02
    154 km ene of hasaki, japan
  31. USGS-USP000HYVS2011-03-29 → 2011-04-01
    130 km e of yamada, japan
  32. USGS-USP000HYV22011-03-29 → 2011-04-01
    114 km e of namie, japan
  33. USGS-USP000HYRS2011-03-27 → 2011-03-30
    62 km e of ishinomaki, japan
  34. USGS-USP000HYQK2011-03-27 → 2011-03-30
    22 km sw of brisas barra de suchiate, mexico
  35. USGS-USP000HYJM2011-03-25 → 2011-03-28
    36 km sse of ?funato, japan
  36. USGS-USP000HYFH2011-03-24 → 2011-03-27
    28 km se of kamaishi, japan
  37. USGS-USP000HYB42011-03-22 → 2011-03-25
    12 km ese of ishikawa, japan
  38. USGS-USP000HYB22011-03-22 → 2011-03-25
    18 km wsw of iwaki, japan
  39. USGS-USP000HYB12011-03-22 → 2011-03-25
    19 km ese of ishikawa, japan
  40. USGS-USP000HY9M2011-03-22 → 2011-03-25
    66 km e of hasaki, japan
  41. USGS-USP000HY9E2011-03-22 → 2011-03-25
    65 km e of hasaki, japan
  42. USGS-USP000HY8X2011-03-22 → 2011-03-25
    73 km e of ?arai, japan
  43. USGS-USP000HY8W2011-03-22 → 2011-03-25
    206 km ese of namie, japan
  44. USGS-USP000HY8U2011-03-22 → 2011-03-25
    101 km e of miyako, japan
  45. USGS-USP000HY8E2011-03-22 → 2011-03-25
    130 km e of miyako, japan
  46. USGS-USP000HY8C2011-03-22 → 2011-03-25
    72 km ese of namie, japan
  47. USGS-USP000HY7Y2011-03-22 → 2011-03-25
    267 km e of namie, japan
  48. USGS-USP000HY7J2011-03-22 → 2011-03-25
    55 km e of ?hara, japan
  49. USGS-USP000HY1V2011-03-20 → 2011-03-23
    6 km wsw of ?tsuchi, japan
  50. USGS-USP000HY0R2011-03-20 → 2011-03-23
    Earthquake magnitude 5.6 (mwc) in 37.724N 141.363E, depth 57 km at 200555Z mar 11
    Near the East Coast of Honshu, Japan

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.