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
135
vs previous 12 (140)
-4%
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 · 1 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 · 0 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-US6000QXT42025-08-03 → 2025-08-06
    123 km e of severo-kuril’sk, russia
  2. USGS-US6000QXN62025-08-02 → 2025-08-05
    165 km sse of vilyuchinsk, russia
  3. USGS-US6000QXI92025-08-01 → 2025-08-04
    32 km se of severo-kuril’sk, russia
  4. USGS-US6000QXGB2025-08-01 → 2025-08-04
    191 km e of petropavlovsk-kamchatsky, russia
  5. USGS-US6000QXFN2025-08-01 → 2025-08-04
    215 km ese of severo-kuril’sk, russia
  6. USGS-US6000QXAE2025-08-01 → 2025-08-04
    104 km s of vilyuchinsk, russia
  7. USGS-US6000QX9R2025-08-01 → 2025-08-04
    174 km se of vilyuchinsk, russia
  8. USGS-US6000QX982025-08-01 → 2025-08-04
    122 km e of severo-kuril’sk, russia
  9. USGS-US6000QX8K2025-08-01 → 2025-08-04
    106 km ese of petropavlovsk-kamchatsky, russia
  10. USGS-US6000QX2R2025-07-31 → 2025-08-03
    167 km ese of petropavlovsk-kamchatsky, russia
  11. USGS-US6000QWVB2025-07-31 → 2025-08-03
    131 km se of severo-kuril’sk, russia
  12. USGS-US6000R2F02025-07-31 → 2025-08-03
    140 km ese of petropavlovsk-kamchatsky, russia
  13. USGS-US6000QWUH2025-07-31 → 2025-08-03
    222 km se of severo-kuril’sk, russia
  14. USGS-US6000QWRS2025-07-30 → 2025-08-02
    161 km ese of petropavlovsk-kamchatsky, russia
  15. USGS-US6000QWR52025-07-30 → 2025-08-02
    144 km se of petropavlovsk-kamchatsky, russia
  16. USGS-US6000QWQM2025-07-30 → 2025-08-02
    223 km se of severo-kuril’sk, russia
  17. USGS-US6000QWLE2025-07-30 → 2025-08-02
    134 km se of severo-kuril’sk, russia
  18. USGS-US6000QWLC2025-07-30 → 2025-08-02
    256 km ese of ozernovskiy, russia
  19. USGS-US6000QWK12025-07-30 → 2025-08-02
    138 km se of severo-kuril’sk, russia
  20. USGS-US6000QWIQ2025-07-30 → 2025-08-02
    135 km ese of severo-kuril’sk, russia
  21. USGS-US6000QWFE2025-07-30 → 2025-08-02
    183 km se of vilyuchinsk, russia
  22. USGS-US6000QWD72025-07-30 → 2025-08-02
    202 km s of severo-kuril’sk, russia
  23. USGS-US6000QWB42025-07-30 → 2025-08-02
    122 km e of severo-kuril’sk, russia
  24. USGS-US6000QWAH2025-07-30 → 2025-08-02
    152 km s of severo-kuril’sk, russia
  25. USGS-US6000QW942025-07-30 → 2025-08-02
    132 km sse of vilyuchinsk, russia
  26. USGS-US6000R1GK2025-07-30 → 2025-08-02
    152 km e of petropavlovsk-kamchatsky, russia
  27. USGS-US6000QW8R2025-07-30 → 2025-08-02
    146 km sse of vilyuchinsk, russia
  28. USGS-US6000QW872025-07-30 → 2025-08-02
    93 km e of severo-kuril’sk, russia
  29. USGS-US6000QW862025-07-30 → 2025-08-02
    256 km ese of petropavlovsk-kamchatsky, russia
  30. USGS-US6000QW7H2025-07-30 → 2025-08-02
    99 km ese of severo-kuril’sk, russia
  31. USGS-US6000QW7F2025-07-30 → 2025-08-02
    136 km ese of ozernovskiy, russia
  32. USGS-US6000QW752025-07-30 → 2025-08-02
    144 km s of vilyuchinsk, russia
  33. USGS-US6000QW742025-07-30 → 2025-08-02
    181 km sse of vilyuchinsk, russia
  34. USGS-US6000QW6Z2025-07-30 → 2025-08-02
    127 km sse of vilyuchinsk, russia
  35. USGS-US6000QW6S2025-07-30 → 2025-08-02
    126 km se of vilyuchinsk, russia
  36. USGS-US6000R1EM2025-07-30 → 2025-08-02
    159 km se of vilyuchinsk, russia
  37. USGS-US6000QW6Q2025-07-30 → 2025-08-02
    125 km se of petropavlovsk-kamchatsky, russia
  38. USGS-US6000R0PW2025-07-29 → 2025-08-01
    177 km ese of ozernovskiy, russia
  39. USGS-US6000QW6G2025-07-29 → 2025-08-01
    176 km se of vilyuchinsk, russia
  40. USGS-US6000QWI32025-07-29 → 2025-08-01
    138 km s of severo-kuril’sk, russia
  41. USGS-US6000QWHH2025-07-29 → 2025-08-01
    155 km s of severo-kuril’sk, russia
  42. USGS-US6000R0QG2025-07-29 → 2025-08-01
    184 km ese of ozernovskiy, russia
  43. USGS-US6000R0QL2025-07-29 → 2025-08-01
    103 km se of vilyuchinsk, russia
  44. USGS-US6000QWHJ2025-07-29 → 2025-08-01
    165 km sse of vilyuchinsk, russia
  45. USGS-US6000R0QC2025-07-29 → 2025-08-01
    124 km ene of ozernovskiy, russia
  46. USGS-US6000R0Q22025-07-29 → 2025-08-01
    128 km sse of vilyuchinsk, russia
  47. USGS-US6000R0XT2025-07-29 → 2025-08-01
    137 km ene of petropavlovsk-kamchatsky, russia
  48. USGS-US6000R0XW2025-07-29 → 2025-08-01
    78 km se of petropavlovsk-kamchatsky, russia
  49. USGS-US6000R0Y52025-07-29 → 2025-08-01
    94 km se of petropavlovsk-kamchatsky, russia
  50. USGS-US6000QW602025-07-29 → 2025-08-01
    2025 kamchatka peninsula, russia earthquake

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 Pacific Ocean — page 4 · seahazards