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-USP000GUVB2009-03-11 → 2009-03-14
    15 km sw of golfito, costa rica
  2. USGS-USP000GUV52009-03-11 → 2009-03-14
    15 km sw of golfito, costa rica
  3. USGS-USP000GUFA2009-02-28 → 2009-03-03
    37 km nw of shizunai-furukawach?, japan
  4. USGS-USP000GUB82009-02-24 → 2009-02-27
    150 km sse of san jose village, northern mariana islands
  5. USGS-USP000GU0X2009-02-15 → 2009-02-18
    68 km ese of hachinohe, japan
  6. USGS-USP000GTAZ2009-01-31 → 2009-02-03
    36 km ese of kitaibaraki, japan
  7. USGS-USP000GT652009-01-27 → 2009-01-30
    137 km se of ust’-kamchatsk staryy, russia
  8. USGS-USP000GT4P2009-01-26 → 2009-01-29
    190 km sw of nikolski, alaska
  9. USGS-USP000GSQQ2009-01-17 → 2009-01-20
    5 km nnw of nueva colombia, mexico
  10. USGS-USP000GSMZ2009-01-15 → 2009-01-18
    Earthquake magnitude 7.4 (mwc) in 46.857N 155.154E, depth 36 km at 151749Z jan 09
    East of the Kuril Islands
  11. USGS-USP000GREB2008-12-25 → 2008-12-28
    191 km wsw of vernon, canada
  12. USGS-USP000GR3J2008-12-21 → 2008-12-24
    139 km ese of iwaki, japan
  13. USGS-USP000GR0A2008-12-20 → 2008-12-23
    148 km ese of iwaki, japan
  14. USGS-USP000GPZT2008-12-05 → 2008-12-08
    126 km ese of ?funato, japan
  15. USGS-USP000GPW52008-12-03 → 2008-12-06
    114 km ese of ?funato, japan
  16. USGS-USP000GPTE2008-12-02 → 2008-12-05
    Earthquake magnitude 5.9 (mwc) in 19.108N 145.750E, depth 137 km at 021231Z dec 08
    Maug Islands Region, Northern Mariana Islands
  17. USGS-USP000GPPG2008-11-30 → 2008-12-03
    Earthquake magnitude 5.6 (mwc) in 18.024N 146.994E, depth 14 km at 300038Z nov 08
    Pagan Region, Northern Mariana Islands
  18. USGS-USP000GPM22008-11-28 → 2008-12-01
    231 km w of ferndale, california
  19. USGS-USP000GPDZ2008-11-25 → 2008-11-28
    Earthquake magnitude 5.6 (mwc) in 18.013N 146.968E, depth 10 km at 251240Z nov 08
    Pagan Region, Northern Mariana Islands
  20. USGS-USP000GP1C2008-11-19 → 2008-11-22
    11 km w of puerto armuelles, panama
  21. USGS-USP000GNSV2008-11-15 → 2008-11-18
    33 km sw of puerto el triunfo, el salvador
  22. USGS-USP000GMPS2008-11-02 → 2008-11-05
    72 km s of atka, alaska
  23. USGS-USP000GMCY2008-10-30 → 2008-11-02
    Earthquake magnitude 5.5 (mwc) in 46.425N 153.213E, depth 32 km at 300155Z oct 08
    Kuril Islands
  24. USGS-USP000GKDF2008-10-16 → 2008-10-19
    47 km sw of brisas barra de suchiate, mexico
  25. USGS-USP000GKDE2008-10-16 → 2008-10-19
    19 km sw of brisas barra de suchiate, mexico
  26. USGS-USP000GHM12008-09-24 → 2008-09-27
    196 km ssw of barra de navidad, mexico
  27. USGS-USP000GH9G2008-09-18 → 2008-09-21
    110 km s of vilyuchinsk, russia
  28. USGS-USP000GGU82008-09-11 → 2008-09-14
    122 km sse of obihiro, japan
  29. USGS-USP000GFUG2008-08-28 → 2008-08-31
    186 km wsw of port mcneill, canada
  30. USGS-USP000GEPP2008-08-14 → 2008-08-17
    83 km s of punta de burica, panama
  31. USGS-USP000GDTK2008-08-04 → 2008-08-07
    93 km s of severo-kuril’sk, russia
  32. USGS-USP000GD392008-07-25 → 2008-07-28
    Earthquake magnitude 5.9 (mwc) in 51.279N 178.982E, depth 21 km at 250029Z jul 08
    Rat Islands, Aleutian Islands, Alaska
  33. USGS-USP000GD0V2008-07-24 → 2008-07-27
    95 km se of ozernovskiy, russia
  34. USGS-USP000GCZP2008-07-23 → 2008-07-26
    29 km ene of morioka, japan
  35. USGS-USP000GCSZ2008-07-21 → 2008-07-24
    98 km ese of namie, japan
  36. USGS-USP000GCJG2008-07-19 → 2008-07-22
    107 km e of namie, japan
  37. USGS-USP000GCF52008-07-17 → 2008-07-20
    Earthquake magnitude 5.7 (mwc) in 44.371N 129.417W, depth 10 km at 172251Z jul 08
    Off the Coast of Oregon
  38. USGS-USP000GCF12008-07-17 → 2008-07-20
    Earthquake magnitude 5.5 (mwc) in 44.367N 129.356W, depth 10 km at 172236Z jul 08
    Off the Coast of Oregon
  39. USGS-USP000GBF82008-07-06 → 2008-07-09
    242 km e of kuril’sk, russia
  40. USGS-USP000GBED2008-07-06 → 2008-07-09
    248 km e of kuril’sk, russia
  41. USGS-USP000GAXK2008-06-29 → 2008-07-02
    66 km sw of brisas barra de suchiate, mexico
  42. USGS-USP000GAK32008-06-25 → 2008-06-28
    45 km sse of shizunai-furukawach?, japan
  43. USGS-USP000GACW2008-06-23 → 2008-06-26
    Earthquake magnitude 5.6 (mwb) in 46.482N 153.267E, depth 10 km at 231232Z jun 08
    Kuril Islands
  44. USGS-USP000G9WY2008-06-17 → 2008-06-20
    Earthquake magnitude 5.9 (mwc) in 5.008N 082.652W, depth 10 km at 171742Z jun 08
    South of Panama
  45. USGS-USP000G9H62008-06-13 → 2008-06-16
    24 km wsw of mizusawa, japan
  46. USGS-USP000G83W2008-05-30 → 2008-06-02
    Earthquake magnitude 5.8 (mwc) in 30.802N 141.523E, depth 16 km at 300725Z may 08
    Izu Islands, Japan Region
  47. USGS-USP000G7WM2008-05-27 → 2008-05-30
    40 km ssw of puerto san josé, guatemala
  48. USGS-USP000G7U82008-05-26 → 2008-05-29
    11 km wnw of finca blanco, panama
  49. USGS-USP000G7AR2008-05-20 → 2008-05-23
    Earthquake magnitude 6.3 (mwc) in 51.162N 178.759E, depth 27 km at 201353Z may 08
    Rat Islands, Aleutian Islands, Alaska
  50. USGS-USP000G5WA2008-05-08 → 2008-05-11
    87 km ene of hasaki, 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.