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
4
last 12 months
136
vs previous 12 (141)
-4%
since 1997
2,415

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 · 4

  1. USGS-US7000TEFXin force2026-09-04
    156 km e of kuril’sk, russia
  2. 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.
  3. 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.
  4. 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.
  3. USGS-US7000TE4Bin force2026-09-03 · 1 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.
  4. USGS-US7000TEFXin force2026-09-04 · 0 d
    156 km e of kuril’sk, russia

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-USP000B8RP2002-07-25 → 2002-07-28
    68 km ese of shikotan, russia
  2. USGS-USP000B8ND2002-07-23 → 2002-07-26
    110 km ese of namie, japan
  3. USGS-USP000B7TV2002-07-09 → 2002-07-12
    228 km w of bandon, oregon
  4. USGS-USP000B6YB2002-06-26 → 2002-06-29
    152 km ssw of cabeza de toro, mexico
  5. USGS-USP000B68D2002-06-16 → 2002-06-19
    55 km wsw of ciudad cortés, costa rica
  6. USGS-USP000B60U2002-06-12 → 2002-06-15
    141 km nne of fais, micronesia
  7. USGS-USP000B5XK2002-06-10 → 2002-06-13
    136 km n of fais, micronesia
  8. USGS-USP000B5XB2002-06-10 → 2002-06-13
    96 km sw of masachapa, nicaragua
  9. USGS-USP000B5XA2002-06-10 → 2002-06-13
    92 km sw of masachapa, nicaragua
  10. USGS-USP000B5QV2002-06-07 → 2002-06-10
    4 km n of santa catarina loxicha, mexico
  11. USGS-USP000B59F2002-05-31 → 2002-06-03
    93 km w of attu station, alaska
  12. USGS-USP000B4XJ2002-05-25 → 2002-05-28
    159 km sse of king cove, alaska
  13. USGS-USP000B3ZE2002-05-08 → 2002-05-11
    165 km ene of petropavlovsk-kamchatsky, russia
  14. USGS-USP000B3XW2002-05-08 → 2002-05-11
    132 km se of petropavlovsk-kamchatsky, russia
  15. USGS-USP000B3BY2002-04-28 → 2002-05-01
    Earthquake magnitude 5.6 (mwc) in 1.793N 102.070W, depth 10 km at 282016Z apr 02
    Galapagos Triple Junction Region
  16. USGS-USP000B37M2002-04-26 → 2002-04-29
    20 km ssw of merizo village, guam
  17. USGS-USP000B36W2002-04-26 → 2002-04-29
    141 km ene of petropavlovsk-kamchatsky, russia
  18. USGS-USP000B31P2002-04-24 → 2002-04-27
    123 km sw of adak, alaska
  19. USGS-USP000B2PF2002-04-18 → 2002-04-21
    24 km wsw of papanoa, mexico
  20. USGS-USP000B2MV2002-04-18 → 2002-04-21
    27 km ssw of nuxco, mexico
  21. USGS-USP000B1P92002-04-03 → 2002-04-06
    60 km ene of mutsu, japan
  22. USGS-USP000B1FZ2002-03-31 → 2002-04-03
    44 km ssw of puerto madero, mexico
  23. USGS-USP000B0P82002-03-20 → 2002-03-23
    Earthquake magnitude 5.9 (mwb) in 30.512N 141.962E, depth 10 km at 200400Z mar 02
    Izu Islands, Japan Region
  24. USGS-USP000B0FT2002-03-17 → 2002-03-20
    103 km se of atka, alaska
  25. USGS-USP000B0B12002-03-15 → 2002-03-18
    111 km s of severo-kuril’sk, russia
  26. USGS-USP000B09Y2002-03-14 → 2002-03-17
    106 km se of atka, alaska
  27. USGS-USP000B02Z2002-03-11 → 2002-03-14
    Earthquake magnitude 5.8 (mwc) in 30.599N 141.566E, depth 33 km at 110146Z mar 02
    Izu Islands, Japan Region
  28. USGS-USP000AZMG2002-03-04 → 2002-03-07
    Earthquake magnitude 5.5 (mwc) in 28.446N 143.275E, depth 45 km at 042021Z mar 02
    Bonin Islands, Japan Region
  29. USGS-USP000AZD12002-03-01 → 2002-03-04
    131 km s of unalaska, alaska
  30. USGS-USP000AYGF2002-02-14 → 2002-02-17
    13 km sw of francisco i. madero, mexico
  31. USGS-USP000AYE02002-02-14 → 2002-02-17
    70 km ene of mutsu, japan
  32. USGS-USP000AYAQ2002-02-12 → 2002-02-15
    25 km se of takahagi, japan
  33. USGS-USP000AXBD2002-01-28 → 2002-01-31
    148 km ssw of severo-kuril’sk, russia
  34. USGS-USP000AWS12002-01-19 → 2002-01-22
    46 km ene of shikotan, russia
  35. USGS-USP000AWM92002-01-16 → 2002-01-19
    2 km sw of las brisas, mexico
  36. USGS-USP000AVYW2002-01-06 → 2002-01-09
    178 km sw of nikolski, alaska
  37. USGS-USP000AVYJ2002-01-06 → 2002-01-09
    33 km sw of jiquilillo, nicaragua
  38. USGS-USP000AUY92001-12-20 → 2001-12-23
    94 km se of false pass, alaska
  39. USGS-USP000ATN52001-11-28 → 2001-12-01
    2 km ese of el carmen, mexico
  40. USGS-USP000ASTB2001-11-13 → 2001-11-16
    109 km sw of barrón, mexico
  41. USGS-USP000ASMB2001-11-10 → 2001-11-13
    4 km ssw of el carrizo, mexico
  42. USGS-USP000ARTQ2001-10-28 → 2001-10-31
    98 km ssw of atka, alaska
  43. USGS-USP000AQSU2001-10-12 → 2001-10-15
    69 km sse of inarajan village, guam
  44. USGS-USP000AQRG2001-10-12 → 2001-10-15
    225 km ssw of prince rupert, canada
  45. USGS-USP000AQKH2001-10-09 → 2001-10-12
    Earthquake magnitude 5.9 (mwc) in 47.758N 155.102E, depth 33 km at 092353Z oct 01
    East of the Kuril Islands
  46. USGS-USP000AQG92001-10-08 → 2001-10-11
    114 km ese of petropavlovsk-kamchatsky, russia
  47. USGS-USP000AQG82001-10-08 → 2001-10-11
    123 km ese of petropavlovsk-kamchatsky, russia
  48. USGS-USP000AQEK2001-10-08 → 2001-10-11
    3 km wsw of tixtlancingo, mexico
  49. USGS-USP000AQ462001-10-02 → 2001-10-05
    74 km ene of namie, japan
  50. USGS-USP000AQ3P2001-10-02 → 2001-10-05
    120 km ese of katsuura, 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 42 · seahazards