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-US6000RISN2025-10-23 → 2025-10-26
    183 km sse of vilyuchinsk, russia
  2. USGS-US6000RIL52025-10-22 → 2025-10-25
    21 km ssw of quepos, costa rica
  3. USGS-US6000RGUL2025-10-13 → 2025-10-16
    Earthquake magnitude 5.9 (mww) in 7.260N 141.599E, depth 10 km at 131111Z oct 25
    State of Yap, Federated States of Micronesia
  4. USGS-US6000RGST2025-10-13 → 2025-10-16
    217 km ssw of severo-kuril’sk, russia
  5. USGS-US6000RGJT2025-10-11 → 2025-10-14
    64 km se of severo-kuril’sk, russia
  6. USGS-US6000RGHY2025-10-11 → 2025-10-14
    74 km ene of petropavlovsk-kamchatsky, russia
  7. USGS-US6000RG2S2025-10-10 → 2025-10-13
    52 km se of severo-kuril’sk, russia
  8. USGS-US6000RFT92025-10-09 → 2025-10-12
    121 km e of ozernovskiy, russia
  9. USGS-US6000RESN2025-10-04 → 2025-10-07
    48 km ene of tomioka, japan
  10. USGS-US6000RERP2025-10-04 → 2025-10-07
    Earthquake magnitude 5.5 (mww) in 8.359N 103.895W, depth 10 km at 040902Z oct 25
    Northern East Pacific Rise
  11. USGS-US6000REI12025-10-03 → 2025-10-06
    177 km se of vilyuchinsk, russia
  12. USGS-US6000RDNQ2025-09-29 → 2025-10-02
    89 km e of petropavlovsk-kamchatsky, russia
  13. USGS-US6000RD1W2025-09-26 → 2025-09-29
    239 km w of bandon, oregon
  14. USGS-US6000RCSB2025-09-25 → 2025-09-28
    183 km ssw of emiliano zapata, mexico
  15. USGS-US6000RC4T2025-09-22 → 2025-09-25
    172 km sse of vilyuchinsk, russia
  16. USGS-US6000RC2R2025-09-22 → 2025-09-25
    173 km sse of vilyuchinsk, russia
  17. USGS-US7000QXP12025-09-21 → 2025-09-24
    122 km sw of adak, alaska
  18. USGS-US7000QXM72025-09-21 → 2025-09-24
    166 km e of petropavlovsk-kamchatsky, russia
  19. USGS-US7000QXCR2025-09-19 → 2025-09-22
    176 km e of petropavlovsk-kamchatsky, russia
  20. USGS-US6000RGE82025-09-19 → 2025-09-22
    98 km ese of ozernovskiy, russia
  21. USGS-US7000QXCD2025-09-19 → 2025-09-22
    109 km ese of ozernovskiy, russia
  22. USGS-US7000QXAT2025-09-19 → 2025-09-22
    164 km se of petropavlovsk-kamchatsky, russia
  23. USGS-US7000QX522025-09-18 → 2025-09-21
    151 km e of petropavlovsk-kamchatsky, russia
  24. USGS-US7000QX4Q2025-09-18 → 2025-09-21
    140 km e of petropavlovsk-kamchatsky, russia
  25. USGS-US7000QX3D2025-09-18 → 2025-09-21
    144 km e of petropavlovsk-kamchatsky, russia
  26. USGS-US7000QX332025-09-18 → 2025-09-21
    156 km ese of petropavlovsk-kamchatsky, russia
  27. USGS-US7000QX2S2025-09-18 → 2025-09-21
    160 km ese of petropavlovsk-kamchatsky, russia
  28. USGS-US7000QX2Q2025-09-18 → 2025-09-21
    144 km e of petropavlovsk-kamchatsky, russia
  29. USGS-US7000QX2G2025-09-18 → 2025-09-21
    140 km e of petropavlovsk-kamchatsky, russia
  30. USGS-US7000QWCH2025-09-15 → 2025-09-18
    144 km ese of petropavlovsk-kamchatsky, russia
  31. USGS-US7000QVW52025-09-13 → 2025-09-16
    105 km e of petropavlovsk-kamchatsky, russia
  32. USGS-US7000QUWY2025-09-09 → 2025-09-12
    174 km wsw of port orford, oregon
  33. USGS-US7000QTM02025-09-03 → 2025-09-06
    92 km ssw of nikolski, alaska
  34. USGS-US7000QRW32025-08-29 → 2025-09-01
    53 km e of onagawa chō, japan
  35. USGS-US7000QR8H2025-08-27 → 2025-08-30
    92 km e of severo-kuril’sk, russia
  36. USGS-US7000QQX72025-08-25 → 2025-08-28
    174 km s of severo-kuril’sk, russia
  37. USGS-US6000R3L72025-08-25 → 2025-08-28
    Earthquake magnitude 6.1 (mww) in 49.373N 160.043E, depth 9 km at 250648Z aug 25
    East of the Kuril Islands
  38. USGS-US6000R3AT2025-08-23 → 2025-08-26
    88 km sw of acajutla, el salvador
  39. USGS-US6000R2UZ2025-08-21 → 2025-08-24
    62 km se of ōfunato, japan
  40. USGS-US6000R2S32025-08-21 → 2025-08-24
    165 km se of vilyuchinsk, russia
  41. USGS-US6000R0YD2025-08-15 → 2025-08-18
    93 km ese of petropavlovsk-kamchatsky, russia
  42. USGS-US6000QZQN2025-08-11 → 2025-08-14
    138 km sw of manuel ávila camacho (ponte duro), mexico
  43. USGS-US6000QZKI2025-08-10 → 2025-08-13
    103 km ese of inarajan village, guam
  44. USGS-US6000QZIN2025-08-09 → 2025-08-12
    104 km ssw of champerico, guatemala
  45. USGS-US6000QZH92025-08-09 → 2025-08-12
    265 km ese of severo-kuril’sk, russia
  46. USGS-US6000QYKI2025-08-06 → 2025-08-09
    189 km sse of vilyuchinsk, russia
  47. USGS-US6000QYKF2025-08-06 → 2025-08-09
    167 km sse of vilyuchinsk, russia
  48. USGS-US6000QXZW2025-08-04 → 2025-08-07
    202 km s of severo-kuril’sk, russia
  49. USGS-US6000QXXC2025-08-03 → 2025-08-06
    151 km ese of petropavlovsk-kamchatsky, russia
  50. USGS-US6000QXVR2025-08-03 → 2025-08-06
    156 km ese of petropavlovsk-kamchatsky, russia

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 3 · seahazards