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-USP000BUXB2003-04-11 → 2003-04-14
    124 km sse of punta de burica, panama
  2. USGS-USP000BUNP2003-04-07 → 2003-04-10
    98 km ese of takahagi, japan
  3. USGS-USP000BT6Q2003-03-21 → 2003-03-24
    Earthquake magnitude 5.5 (mwc) in 28.094N 142.506E, depth 31 km at 211843Z mar 03
    Bonin Islands, Japan Region
  4. USGS-USP000BT182003-03-19 → 2003-03-22
    168 km se of petropavlovsk-kamchatsky, russia
  5. USGS-USP000BSWF2003-03-17 → 2003-03-20
    Earthquake magnitude 6.2 (mwc) in 51.295N 177.971E, depth 33 km at 171855Z mar 03
    Rat Islands, Aleutian Islands, Alaska
  6. USGS-USP000BSWE2003-03-17 → 2003-03-20
    137 km se of petropavlovsk-kamchatsky, russia
  7. USGS-USP000BSVS2003-03-17 → 2003-03-20
    Earthquake magnitude 7.1 (mwb) in 51.272N 177.978E, depth 33 km at 171636Z mar 03
    Rat Islands, Aleutian Islands, Alaska
  8. USGS-USP000BSQR2003-03-15 → 2003-03-18
    147 km se of petropavlovsk-kamchatsky, russia
  9. USGS-USP000BRU82003-03-02 → 2003-03-05
    67 km ene of namie, japan
  10. USGS-USP000BR012003-02-19 → 2003-02-22
    92 km se of akutan, alaska
  11. USGS-USP000BQ1X2003-02-05 → 2003-02-08
    Earthquake magnitude 5.6 (mwc) in 13.774N 090.880W, depth 56 km at 051901Z feb 03
    Near the Coast of Guatemala
  12. USGS-USP000BPRV2003-02-01 → 2003-02-04
    59 km wsw of río grande, panama
  13. USGS-USP000BP6V2003-01-26 → 2003-01-29
    122 km sw of nikolski, alaska
  14. USGS-USP000BP0C2003-01-22 → 2003-01-25
    42 km ssw of el colomo, mexico
  15. USGS-USP000BP092003-01-22 → 2003-01-25
    29 km ssw of el colomo, mexico
  16. USGS-USP000BNYR2003-01-22 → 2003-01-25
    16 km ssw of cuyutlán, mexico
  17. USGS-USP000BNX32003-01-21 → 2003-01-24
    33 km s of puerto san josé, guatemala
  18. USGS-USP000BNMS2003-01-16 → 2003-01-19
    Earthquake magnitude 5.5 (mwc) in 44.149N 129.183W, depth 10 km at 160503Z jan 03
    Off the Coast of Oregon
  19. USGS-USP000BNMD2003-01-16 → 2003-01-19
    Earthquake magnitude 5.7 (mwc) in 44.281N 129.351W, depth 10 km at 160225Z jan 03
    Off the Coast of Oregon
  20. USGS-USP000BNKX2003-01-16 → 2003-01-19
    Earthquake magnitude 6.3 (mwb) in 44.284N 129.024W, depth 10 km at 160053Z jan 03
    Off the Coast of Oregon
  21. USGS-USP000BN8V2003-01-08 → 2003-01-11
    179 km e of atka, alaska
  22. USGS-USP000BN8J2003-01-08 → 2003-01-11
    21 km s of bahía solano, colombia
  23. USGS-USP000BMK32002-12-28 → 2002-12-31
    169 km s of nikolski, alaska
  24. USGS-USP000BMB92002-12-24 → 2002-12-27
    Earthquake magnitude 5.5 (mwb) in 50.007N 156.164E, depth 67 km at 241443Z dec 02
    Kuril Islands
  25. USGS-USP000BMB12002-12-24 → 2002-12-27
    Earthquake magnitude 5.7 (mwc) in 47.715N 154.600E, depth 33 km at 241248Z dec 02
    Kuril Islands
  26. USGS-USP000BKFH2002-12-10 → 2002-12-13
    150 km se of katsuura, japan
  27. USGS-USP000BJD02002-11-26 → 2002-11-29
    93 km sse of atka, alaska
  28. USGS-USP000BHTA2002-11-16 → 2002-11-19
    45 km se of severo-kuril’sk, russia
  29. USGS-USP000BH492002-11-09 → 2002-11-12
    40 km ssw of la gomera, guatemala
  30. USGS-USP000BGZ72002-11-07 → 2002-11-10
    289 km wsw of adak, alaska
  31. USGS-USP000BFYF2002-11-03 → 2002-11-06
    30 km se of ?funato, japan
  32. USGS-USP000BFY72002-11-03 → 2002-11-06
    294 km wnw of port mcneill, canada
  33. USGS-USP000BF622002-10-24 → 2002-10-27
    296 km ssw of severo-kuril’sk, russia
  34. USGS-USP000BEXD2002-10-20 → 2002-10-23
    43 km e of ?arai, japan
  35. USGS-USP000BEV12002-10-19 → 2002-10-22
    194 km ese of kuril’sk, russia
  36. USGS-USP000BEHQ2002-10-14 → 2002-10-17
    87 km e of mutsu, japan
  37. USGS-USP000BEC22002-10-12 → 2002-10-15
    137 km ese of ishinomaki, japan
  38. USGS-USP000BE9M2002-10-11 → 2002-10-14
    29 km sse of el coyul, mexico
  39. USGS-USP000BCF32002-09-17 → 2002-09-20
    Earthquake magnitude 5.6 (mwc) in 30.995N 141.775E, depth 33 km at 170358Z sep 02
    Izu Islands, Japan Region
  40. USGS-USP000BB3Y2002-09-02 → 2002-09-05
    Earthquake magnitude 5.7 (mwb) in 43.916N 128.243W, depth 19 km at 021339Z sep 02
    Off the Coast of Oregon
  41. USGS-USP000BAZC2002-08-31 → 2002-09-03
    Earthquake magnitude 5.6 (mwb) in 2.709N 084.378W, depth 23 km at 310527Z aug 02
    Off the Coast of Central America
  42. USGS-USP000BAJ82002-08-24 → 2002-08-27
    50 km ese of nemuro, japan
  43. USGS-USP000BA912002-08-20 → 2002-08-23
    Earthquake magnitude 6.3 (mwb) in 30.986N 141.966E, depth 9 km at 201059Z aug 02
    Izu Islands, Japan Region
  44. USGS-USP000B9W72002-08-14 → 2002-08-17
    114 km sse of san jose village, northern mariana islands
  45. USGS-USP000B9W42002-08-14 → 2002-08-17
    231 km sw of colonia, micronesia
  46. USGS-USP000B9HG2002-08-08 → 2002-08-11
    50 km w of pizarro, colombia
  47. USGS-USP000B9GC2002-08-07 → 2002-08-10
    20 km s of punta de burica, panama
  48. USGS-USP000B99A2002-08-04 → 2002-08-07
    98 km wsw of masachapa, nicaragua
  49. USGS-USP000B97B2002-08-03 → 2002-08-06
    4 km ese of puerto armuelles, panama
  50. USGS-USP000B9232002-07-31 → 2002-08-03
    14 km se of punta de burica, panama

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 41 · seahazards