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
3
last 12 months
135
vs previous 12 (141)
-4%
since 1997
2,414

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 · 3

  1. USGS-US7000TE4Bin force2026-09-03
    An earthquake magnitude 5.5 struck 100 kilometers south of Nikolski, Alaska, at 03:20 UTC on September 26, at a depth of 10 kilometers.
  2. 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.
  3. 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.
  3. USGS-US7000TE4Bin force2026-09-03 · 0 d
    An earthquake magnitude 5.5 struck 100 kilometers south of Nikolski, Alaska, at 03:20 UTC on September 26, at a depth of 10 kilometers.

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-USB000H0EG2013-05-21 → 2013-05-24
    129 km ese of petropavlovsk-kamchatsky, russia
  2. USGS-USB000GZDD2013-05-20 → 2013-05-23
    140 km se of petropavlovsk-kamchatsky, russia
  3. USGS-USB000GZ3X2013-05-19 → 2013-05-22
    123 km se of petropavlovsk-kamchatsky, russia
  4. USGS-USB000GY672013-05-18 → 2013-05-21
    50 km ne of namie, japan
  5. USGS-USC000GV1N2013-05-12 → 2013-05-15
    Earthquake magnitude 5.5 (mww) in 21.941N 143.744E, depth 167 km at 122305Z may 13
    Mariana Islands Region
  6. USGS-USC000GULU2013-05-12 → 2013-05-15
    75 km ssw of la gomera, guatemala
  7. USGS-USB000GHG02013-04-29 → 2013-05-02
    13 km ese of hasaki, japan
  8. USGS-USB000GDCD2013-04-22 → 2013-04-25
    289 km wsw of adak, alaska
  9. USGS-USB000GDA92013-04-22 → 2013-04-25
    7 km nne of guacamayas, mexico
  10. USGS-USB000GCLS2013-04-20 → 2013-04-23
    96 km se of severo-kuril’sk, russia
  11. USGS-USB000GC6M2013-04-19 → 2013-04-22
    134 km se of severo-kuril’sk, russia
  12. USGS-USB000GBF82013-04-19 → 2013-04-22
    252 km ene of kuril’sk, russia
  13. USGS-USB000G9402013-04-17 → 2013-04-20
    29 km ene of ishinomaki, japan
  14. USGS-USB000FXXK2013-04-02 → 2013-04-05
    103 km e of yamada, japan
  15. USGS-USB000FXH72013-04-01 → 2013-04-04
    104 km e of yamada, japan
  16. USGS-USB000FSSD2013-03-26 → 2013-03-29
    7 km sse of corralero, mexico
  17. USGS-USB000FRV82013-03-24 → 2013-03-27
    269 km ese of ozernovskiy, russia
  18. USGS-USB000FLQ32013-03-15 → 2013-03-18
    Earthquake magnitude 5.5 (mwb) in 0.863N 085.229W, depth 22 km at 152337Z mar 13
    Off the Coast of Ecuador
  19. USGS-USB000FI8J2013-03-10 → 2013-03-13
    123 km sw of acajutla, el salvador
  20. USGS-USB000FHXQ2013-03-09 → 2013-03-12
    80 km ene of severo-kuril’sk, russia
  21. USGS-USC000FEWW2013-03-01 → 2013-03-04
    87 km se of ozernovskiy, russia
  22. USGS-USC000FEWP2013-03-01 → 2013-03-04
    94 km se of ozernovskiy, russia
  23. USGS-USC000FEBI2013-02-28 → 2013-03-03
    81 km se of ozernovskiy, russia
  24. USGS-US2013LWCV2013-02-20 → 2013-02-23
    13 km w of la placita de morelos, mexico
  25. USGS-USC000F0562013-02-02 → 2013-02-05
    Earthquake magnitude 5.5 (mb) in 29.336N 141.992E, depth 41 km at 021831Z feb 13
    Izu Islands, Japan Region
  26. USGS-USC000F03A2013-02-02 → 2013-02-05
    18 km ssw of obihiro, japan
  27. USGS-AK0131FFC3TC2013-01-31 → 2013-02-03
    92 km ssw of port alexander, alaska
  28. USGS-AK013NE6TLA2013-01-14 → 2013-01-17
    116 km wsw of craig, alaska
  29. NAVAREA XII 6/132013-01-05 → 2013-01-05
    Tsunami warning
    Eastern North Pacific · Alaska · Canada
  30. USGS-AK0138ESNZR2013-01-05 → 2013-01-08
    110 km sw of edna bay, alaska
  31. USGS-USP000JX212012-12-17 → 2012-12-20
    101 km ssw of severo-kuril’sk, russia
  32. USGS-USP000JWYB2012-12-14 → 2012-12-17
    279 km ssw of avalon, california
  33. USGS-USP000JWJV2012-12-07 → 2012-12-10
    212 km ese of ishinomaki, japan
  34. USGS-USP000JWJP2012-12-07 → 2012-12-10
    220 km se of ?funato, japan
  35. USGS-USP000JWJN2012-12-07 → 2012-12-10
    234 km se of ?funato, japan
  36. USGS-USP000JW852012-11-29 → 2012-12-02
    63 km ssw of champerico, guatemala
  37. USGS-USP000JVPF2012-11-16 → 2012-11-19
    163 km ssw of severo-kuril’sk, russia
  38. USGS-USP000JVDF2012-11-11 → 2012-11-14
    32 km sw of champerico, guatemala
  39. USGS-USP000JV6K2012-11-08 → 2012-11-11
    176 km wsw of vernon, canada
  40. USGS-USP000JV652012-11-07 → 2012-11-10
    55 km ssw of champerico, guatemala
  41. NAVAREA XII 295/122012-11-07 → 2012-11-08
    Tsunami warning
    Eastern North Pacific · Guatemala
  42. USGS-USP000JV5F2012-11-07 → 2012-11-10
    33 km s of champerico, guatemala
  43. USGS-USP000JV202012-11-05 → 2012-11-08
    214 km ese of ishinomaki, japan
  44. USGS-USP000JUWZ2012-11-02 → 2012-11-05
    42 km sse of ust’-kamchatsk staryy, russia
  45. USGS-USP000JUS52012-10-30 → 2012-11-02
    241 km ssw of prince rupert, canada
  46. USGS-USP000JUNZ2012-10-28 → 2012-10-31
    Earthquake magnitude 5.6 (mwr) in 52.294N 132.082W, depth 10 km at 281909Z oct 12
    Haida Gwaii, Canada
  47. USGS-USP000JUNU2012-10-28 → 2012-10-31
    237 km sw of prince rupert, canada
  48. USGS-USP000JUJ72012-10-28 → 2012-10-31
    222 km ssw of prince rupert, canada
  49. USGS-USP000JUHZ2012-10-28 → 2012-10-31
    206 km sw of prince rupert, canada
  50. USGS-USP000JUE62012-10-25 → 2012-10-28
    36 km ese of ishinomaki, 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 21 · seahazards