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
    84 km ssw of nikolski, alaska
  2. USGS-US7000TDMPin force2026-09-02
    71 km wsw of puerto madero, mexico

Longest in force

  1. USGS-US7000TDMPin force2026-09-02 · 1 d
    71 km wsw of puerto madero, mexico
  2. USGS-US7000TDVTin force2026-09-03 · 0 d
    84 km ssw of nikolski, alaska

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-US6000SB0H2026-02-23 → 2026-02-26
    93 km sw of nikolski, alaska
  2. USGS-US6000SAYV2026-02-23 → 2026-02-26
    96 km sw of nikolski, alaska
  3. USGS-US6000SARE2026-02-22 → 2026-02-25
    Earthquake magnitude 5.8 (mww) in 46.791N 153.753E, depth 12 km at 220725Z feb 26
    Kuril Islands
  4. USGS-US6000S9L22026-02-16 → 2026-02-19
    87 km ese of ozernovskiy, russia
  5. USGS-US6000S9EI2026-02-15 → 2026-02-18
    299 km ssw of severo-kuril’sk, russia
  6. USGS-US6000S7CL2026-02-08 → 2026-02-11
    8 km nne of santa maría colotepec, mexico
  7. USGS-US7000RRBJ2026-01-22 → 2026-01-25
    127 km s of vilyuchinsk, russia
  8. USGS-US7000RQ0D2026-01-16 → 2026-01-19
    Earthquake magnitude 6.0 (mww) in 43.686N 128.057W, depth 10 km at 160325Z jan 26
    Off the Coast of Oregon
  9. USGS-US7000RPTL2026-01-15 → 2026-01-18
    280 km ese of attu station, alaska
  10. USGS-US7000RPQ82026-01-14 → 2026-01-17
    63 km ese of akkeshi, japan
  11. USGS-US7000RPCG2026-01-13 → 2026-01-16
    135 km se of kuril’sk, russia
  12. USGS-US7000RM3K2026-01-02 → 2026-01-05
    0 km w of san marcos, mexico
  13. USGS-US7000RLQ32025-12-31 → 2026-01-03
    96 km e of noda, japan
  14. USGS-US7000RKQM2025-12-25 → 2025-12-28
    103 km e of yokohama, japan
  15. USGS-US7000RKKK2025-12-24 → 2025-12-27
    216 km sw of merizo village, guam
  16. USGS-US6000RVNM2025-12-18 → 2025-12-21
    93 km ese of petropavlovsk-kamchatsky, russia
  17. USGS-US6000RVKL2025-12-17 → 2025-12-20
    148 km sse of burica, panama
  18. USGS-US6000RV4Q2025-12-15 → 2025-12-18
    90 km sse of san jose village, northern mariana islands
  19. USGS-US6000RV1U2025-12-15 → 2025-12-18
    229 km se of petropavlovsk-kamchatsky, russia
  20. USGS-US6000RUC42025-12-12 → 2025-12-15
    117 km ne of kuji, japan
  21. USGS-US6000RTW52025-12-10 → 2025-12-13
    108 km ene of hachinohe, japan
  22. USGS-US6000RTJ42025-12-08 → 2025-12-11
    109 km ne of kuji, japan
  23. USGS-US6000RTIE2025-12-08 → 2025-12-11
    129 km s of honchō, japan
  24. USGS-US6000RTGD2025-12-08 → 2025-12-11
    127 km s of honchō, japan
  25. USGS-US6000RTDZ2025-12-08 → 2025-12-11
    93 km ene of hachinohe, japan
  26. USGS-US6000RTDT2025-12-08 → 2025-12-11
    2025 aomori prefecture, japan earthquake
  27. USGS-US6000RT682025-12-07 → 2025-12-10
    72 km se of severo-kuril’sk, russia
  28. USGS-US6000RSTI2025-12-05 → 2025-12-08
    201 km sw of josé maría morelos, mexico
  29. USGS-US6000RPXA2025-11-23 → 2025-11-26
    67 km ssw of adak, alaska
  30. USGS-US6000RPQL2025-11-21 → 2025-11-24
    206 km se of severo-kuril’sk, russia
  31. USGS-US6000RPJA2025-11-21 → 2025-11-24
    133 km e of miyako, japan
  32. USGS-US6000RP1A2025-11-18 → 2025-11-21
    55 km wsw of puerto cortés, costa rica
  33. USGS-US6000RMK22025-11-10 → 2025-11-13
    129 km e of yamada, japan
  34. USGS-US6000RMEX2025-11-09 → 2025-11-12
    129 km e of miyako, japan
  35. USGS-US6000RMEP2025-11-09 → 2025-11-12
    117 km e of yamada, japan
  36. USGS-US6000RMEH2025-11-09 → 2025-11-12
    124 km e of yamada, japan
  37. USGS-US6000RMED2025-11-09 → 2025-11-12
    125 km e of yamada, japan
  38. USGS-US6000RMEE2025-11-09 → 2025-11-12
    110 km e of yamada, japan
  39. USGS-US6000RMEA2025-11-09 → 2025-11-12
    122 km e of yamada, japan
  40. USGS-US6000RMAW2025-11-08 → 2025-11-11
    126 km e of yamada, japan
  41. USGS-US6000RLJI2025-11-04 → 2025-11-07
    107 km s of severo-kuril’sk, russia
  42. USGS-US6000RLIK2025-11-04 → 2025-11-07
    149 km se of petropavlovsk-kamchatsky, russia
  43. USGS-US6000RLCD2025-11-04 → 2025-11-07
    191 km wsw of merizo village, guam
  44. USGS-US6000RLBM2025-11-04 → 2025-11-07
    136 km se of petropavlovsk-kamchatsky, russia
  45. USGS-US6000RLBE2025-11-04 → 2025-11-07
    155 km se of petropavlovsk-kamchatsky, russia
  46. USGS-US6000RL5I2025-11-03 → 2025-11-06
    142 km se of petropavlovsk-kamchatsky, russia
  47. USGS-US6000RPN42025-11-03 → 2025-11-06
    149 km se of petropavlovsk-kamchatsky, russia
  48. USGS-US6000RL552025-11-03 → 2025-11-06
    131 km se of petropavlovsk-kamchatsky, russia
  49. USGS-US6000RJVF2025-10-28 → 2025-10-31
    102 km ese of severo-kuril’sk, russia
  50. USGS-US6000RJ9F2025-10-24 → 2025-10-27
    41 km sse of nemuro, 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.

Earthquake & tsunami bulletins in the North Pacific Ocean — page 2 · seahazards