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-US6000QW592025-07-29 → 2025-08-01
    6 km se of comapa, guatemala
  2. USGS-US6000QUXR2025-07-24 → 2025-07-27
    165 km e of petropavlovsk-kamchatsky, russia
  3. USGS-US6000QUXN2025-07-24 → 2025-07-27
    163 km e of petropavlovsk-kamchatsky, russia
  4. USGS-US6000QU2R2025-07-22 → 2025-07-25
    154 km ese of petropavlovsk-kamchatsky, russia
  5. USGS-US7000QE512025-07-20 → 2025-07-23
    91 km sse of sand point, alaska
  6. USGS-US7000QE302025-07-20 → 2025-07-23
    128 km ese of petropavlovsk-kamchatsky, russia
  7. USGS-US7000QDZ82025-07-20 → 2025-07-23
    163 km e of petropavlovsk-kamchatsky, russia
  8. USGS-US7000QDZ22025-07-20 → 2025-07-23
    143 km e of petropavlovsk-kamchatsky, russia
  9. USGS-US7000QDZ02025-07-20 → 2025-07-23
    162 km ese of petropavlovsk-kamchatsky, russia
  10. USGS-US7000QDZF2025-07-20 → 2025-07-23
    162 km e of petropavlovsk-kamchatsky, russia
  11. USGS-US7000QDYW2025-07-20 → 2025-07-23
    153 km ese of petropavlovsk-kamchatsky, russia
  12. USGS-US6000QXCA2025-07-20 → 2025-07-23
    150 km ese of petropavlovsk-kamchatsky, russia
  13. USGS-US7000QDYL2025-07-20 → 2025-07-23
    2025 eastern kamchatka, russia earthquake
  14. USGS-US7000QDYE2025-07-20 → 2025-07-23
    134 km e of petropavlovsk-kamchatsky, russia
  15. USGS-US7000QDUE2025-07-19 → 2025-07-22
    Earthquake magnitude 5.6 (mww) in 8.347N 103.016W, depth 10 km at 191555Z jul 25
    Northern East Pacific Rise
  16. USGS-US7000QD4N2025-07-17 → 2025-07-20
    96 km sse of sand point, alaska
  17. USGS-US7000QD1Y2025-07-16 → 2025-07-19
    2025 sand point, alaska earthquake
  18. USGS-US7000QCP22025-07-14 → 2025-07-17
    Earthquake magnitude 5.8 (mww) in 46.546N 151.430E, depth 74 km at 142137Z jul 25
    Kuril Islands
  19. USGS-US7000QCLP2025-07-14 → 2025-07-17
    206 km s of burica, panama
  20. USGS-US6000QLNZ2025-06-21 → 2025-06-24
    82 km se of nemuro, japan
  21. USGS-US6000QL4I2025-06-18 → 2025-06-21
    84 km ese of nemuro, japan
  22. USGS-US6000QKZH2025-06-18 → 2025-06-21
    123 km sw of el palmarcito, mexico
  23. USGS-US6000QK4V2025-06-13 → 2025-06-16
    Earthquake magnitude 6.0 (mww) in 46.184N 153.426E, depth 35 km at 131835Z jun 25
    Kuril Islands
  24. USGS-US6000QI0W2025-06-05 → 2025-06-08
    297 km s of burica, panama
  25. USGS-US6000QHAF2025-06-01 → 2025-06-04
    68 km sse of hiroo, japan
  26. USGS-US6000QH1R2025-05-31 → 2025-06-03
    78 km s of kushiro, japan
  27. USGS-US6000QGEQ2025-05-28 → 2025-05-31
    63 km sse of inarajan village, guam
  28. USGS-US6000QGB52025-05-28 → 2025-05-31
    Earthquake magnitude 5.8 (mww) in 19.561N 109.159W, depth 10 km at 280130Z may 25
    Revilla Gigedo Islands Region
  29. USGS-US6000QGA62025-05-27 → 2025-05-30
    Earthquake magnitude 5.8 (mww) in 19.688N 109.194W, depth 10 km at 272159Z may 25
    Revilla Gigedo Islands Region
  30. USGS-US7000PZ232025-05-13 → 2025-05-16
    240 km sw of la cruz de loreto, mexico
  31. USGS-US7000PV062025-04-25 → 2025-04-28
    19 km ne of esmeraldas, ecuador
  32. USGS-US7000PLU12025-03-22 → 2025-03-25
    88 km sse of adak, alaska
  33. USGS-US7000PLLX2025-03-21 → 2025-03-24
    87 km sse of adak, alaska
  34. USGS-US7000PLLU2025-03-21 → 2025-03-24
    88 km sse of adak, alaska
  35. USGS-US7000PLLT2025-03-21 → 2025-03-24
    124 km sse of burica, panama
  36. USGS-US6000PZWB2025-03-20 → 2025-03-23
    93 km sse of adak, alaska
  37. USGS-US6000PZAM2025-03-17 → 2025-03-20
    Earthquake magnitude 5.5 (mww) in 19.444N 109.083W, depth 10 km at 170950Z mar 25
    Revilla Gigedo Islands Region
  38. USGS-US6000PX0A2025-03-05 → 2025-03-08
    60 km sse of santa gertrudis miramar, mexico
  39. USGS-US6000PVM42025-02-26 → 2025-03-01
    153 km ese of ust’-kamchatsk staryy, russia
  40. USGS-US7000PBFB2025-02-05 → 2025-02-08
    44 km sw of nueva concepción, guatemala
  41. USGS-US6000PMGT2025-01-26 → 2025-01-29
    86 km ssw of unalaska, alaska
  42. USGS-US6000PJIG2025-01-12 → 2025-01-15
    18 km se of aquila, mexico
  43. USGS-US6000PJ4S2025-01-10 → 2025-01-13
    31 km ssw of bahía solano, colombia
  44. USGS-US6000PIXH2025-01-09 → 2025-01-12
    10 km e of acajutla, el salvador
  45. USGS-US6000PI092025-01-05 → 2025-01-08
    56 km sse of la libertad, el salvador
  46. USGS-US6000PFS72024-12-26 → 2024-12-29
    Earthquake magnitude 5.8 (mww) in 30.502N 141.852E, depth 7 km at 262102Z dec 24
    Izu Islands, Japan Region
  47. USGS-US7000NXNC2024-12-10 → 2024-12-13
    96 km ssw of adak, alaska
  48. USGS-US7000NXBS2024-12-09 → 2024-12-12
    118 km sw of adak, alaska
  49. USGS-US7000NX792024-12-09 → 2024-12-12
    2 km sse of conchagua, el salvador
  50. USGS-US7000NX6S2024-12-09 → 2024-12-12
    135 km ssw of adak, alaska

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 5 · seahazards