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 · 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 · 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-USP000JHYM2012-04-14 → 2012-04-17
    148 km ssw of severo-kuril’sk, russia
  2. USGS-USP000JHUS2012-04-13 → 2012-04-16
    24 km ese of iwaki, japan
  3. USGS-USP000JHS92012-04-12 → 2012-04-15
    41 km e of namie, japan
  4. USGS-USP000JHPJ2012-04-11 → 2012-04-14
    41 km nw of el habillal, mexico
  5. USGS-USP000JHPG2012-04-11 → 2012-04-14
    266 km w of bandon, oregon
  6. USGS-USP000JHH42012-04-11 → 2012-04-14
    67 km sse of adak, alaska
  7. USGS-USP000JH522012-04-02 → 2012-04-05
    7 km ssw of santa maría cortijo, mexico
  8. USGS-USP000JH3K2012-04-01 → 2012-04-04
    9 km ne of iwaki, japan
  9. USGS-USP000JGV92012-03-27 → 2012-03-30
    24 km nne of miyako, japan
  10. USGS-USP000JGUF2012-03-26 → 2012-03-29
    Earthquake magnitude 6.0 (mwb) in 10.071N 104.160W, depth 10 km at 261812Z mar 12
    Northern East Pacific Rise
  11. USGS-USP000JGU92012-03-26 → 2012-03-29
    Earthquake magnitude 5.5 (mwc) in 9.995N 104.228W, depth 10 km at 261748Z mar 12
    Northern East Pacific Rise
  12. USGS-USP000JGHJ2012-03-20 → 2012-03-23
    6 km e of santiago llano grande, mexico
  13. USGS-USP000JGAF2012-03-15 → 2012-03-18
    3 km ene of ?me, japan
  14. USGS-USP000JG802012-03-14 → 2012-03-17
    5 km se of asahi, japan
  15. USGS-USP000JG7T2012-03-14 → 2012-03-17
    211 km se of hiroo, japan
  16. USGS-USP000JG7P2012-03-14 → 2012-03-17
    245 km s of kushiro, japan
  17. USGS-USP000JG7E2012-03-14 → 2012-03-17
    236 km sse of kushiro, japan
  18. USGS-USP000JG6K2012-03-13 → 2012-03-16
    42 km sw of el arenal, mexico
  19. USGS-AK0123800L9G2012-03-10 → 2012-03-13
    160 km se of perryville, alaska
  20. USGS-USP000JFS82012-03-04 → 2012-03-07
    Earthquake magnitude 5.5 (mwb) in 2.687N 084.340W, depth 9 km at 040944Z mar 12
    Off the Coast of Central America
  21. USGS-USP000JFKT2012-02-29 → 2012-03-03
    55 km e of ?hara, japan
  22. USGS-USP000JF5K2012-02-20 → 2012-02-23
    Earthquake magnitude 5.6 (mwc) in 14.276N 092.779W, depth 10 km at 201909Z feb 12
    Near the Coast of Chiapas, Mexico
  23. USGS-USP000JEYQ2012-02-15 → 2012-02-18
    258 km wnw of bandon, oregon
  24. USGS-USP000JEX92012-02-14 → 2012-02-17
    72 km ene of kashima-shi, japan
  25. USGS-USP000JEX02012-02-14 → 2012-02-17
    72 km ne of hasaki, japan
  26. USGS-NC717347412012-02-13 → 2012-02-16
    26 km nnw of willow creek, california
  27. USGS-USP000JEW62012-02-13 → 2012-02-16
    27 km s of quepos, costa rica
  28. USGS-USP000JEGE2012-02-04 → 2012-02-07
    149 km wsw of tofino, canada
  29. USGS-USP000JE282012-01-28 → 2012-01-31
    63 km nne of miyako, japan
  30. USGS-USP000JDT72012-01-21 → 2012-01-24
    46 km sw of el arenal, mexico
  31. USGS-USP000JDCR2012-01-12 → 2012-01-15
    17 km ese of iwaki, japan
  32. USGS-USP000JC802011-12-15 → 2011-12-18
    Earthquake magnitude 5.6 (mwb) in 31.717N 141.631E, depth 35 km at 151512Z dec 11
    Izu Islands, Japan Region
  33. USGS-USP000JBB82011-11-24 → 2011-11-27
    53 km sse of shizunai-furukawach?, japan
  34. USGS-USP000JBAF2011-11-23 → 2011-11-26
    35 km ese of namie, japan
  35. USGS-USP000JAZH2011-11-17 → 2011-11-20
    41 km sse of champerico, guatemala
  36. USGS-USP000JAZ32011-11-17 → 2011-11-20
    Earthquake magnitude 5.6 (mwc) in 8.415N 103.158W, depth 10 km at 170652Z nov 11
    Northern East Pacific Rise
  37. USGS-USP000JAN72011-11-09 → 2011-11-12
    Earthquake magnitude 5.7 (mww) in 10.542N 146.095E, depth 10 km at 092152Z nov 11
    South of the Mariana Islands
  38. USGS-USP000JAJ22011-11-07 → 2011-11-10
    7 km nne of belén, nicaragua
  39. USGS-USP000JAE52011-11-06 → 2011-11-09
    99 km se of false pass, alaska
  40. USGS-USP000JA6T2011-11-01 → 2011-11-04
    Earthquake magnitude 6.3 (mww) in 19.831N 109.205W, depth 10 km at 011232Z nov 11
    Revilla Gigedo Islands Region
  41. USGS-USP000J9VK2011-10-25 → 2011-10-28
    162 km e of atka, alaska
  42. USGS-USP000J99K2011-10-13 → 2011-10-16
    224 km w of bandon, oregon
  43. USGS-USP000J95H2011-10-10 → 2011-10-13
    23 km ene of namie, japan
  44. USGS-USP000J89Y2011-09-19 → 2011-09-22
    3 km e of santa maría ixhuatán, guatemala
  45. USGS-USP000J89K2011-09-19 → 2011-09-22
    152 km e of atka, alaska
  46. USGS-USP000J8852011-09-18 → 2011-09-21
    97 km ene of miyako, japan
  47. USGS-USP000J86F2011-09-17 → 2011-09-20
    91 km ne of miyako, japan
  48. USGS-USP000J85N2011-09-16 → 2011-09-19
    122 km ene of miyako, japan
  49. USGS-USP000J85C2011-09-16 → 2011-09-19
    113 km ene of miyako, japan
  50. USGS-USP000J85A2011-09-16 → 2011-09-19
    112 km ne of miyako, 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.