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 · 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-US200030AQ2015-07-27 → 2015-07-30
    Earthquake magnitude 6.9 (mww) in 52.376N 169.446W, depth 29 km at 270449Z jul 15
    Fox Islands, Aleutian Islands, Alaska
  2. USGS-US20002WD22015-07-09 → 2015-07-12
    15 km s of hachinohe, japan
  3. USGS-US20002W9Y2015-07-09 → 2015-07-12
    55 km sw of acajutla, el salvador
  4. USGS-US20002VM72015-07-07 → 2015-07-10
    101 km e of shikotan, russia
  5. USGS-US20002NWM2015-06-11 → 2015-06-14
    120 km e of miyako, japan
  6. USGS-US20002NWL2015-06-11 → 2015-06-14
    119 km e of miyako, japan
  7. USGS-US20002NJ82015-06-10 → 2015-06-13
    118 km e of miyako, japan
  8. USGS-US20002MVQ2015-06-08 → 2015-06-11
    74 km ene of mutsu, japan
  9. USGS-US20002L3N2015-06-01 → 2015-06-04
    Earthquake magnitude 5.9 (mww) in 44.497N 129.958W, depth 10 km at 012011Z jun 15
    Off the Coast of Oregon
  10. USGS-US20002KXA2015-06-01 → 2015-06-04
    Earthquake magnitude 5.8 (mww) in 44.458N 129.811W, depth 10 km at 010652Z jun 15
    Off the Coast of Oregon
  11. USGS-US20002KPM2015-05-30 → 2015-06-02
    Earthquake magnitude 6.2 (mww) in 30.786N 142.972E, depth 6 km at 301849Z may 15
    Izu Islands, Japan Region
  12. USGS-US20002ET42015-05-12 → 2015-05-15
    32 km se of ?funato, japan
  13. USGS-US20002E962015-05-10 → 2015-05-13
    Earthquake magnitude 6.0 (mww) in 31.237N 142.016E, depth 6 km at 102125Z may 15
    Izu Islands, Japan Region
  14. USGS-US20002E4X2015-05-10 → 2015-05-13
    112 km sw of el palmarcito, mexico
  15. USGS-US200028UE2015-04-24 → 2015-04-27
    282 km wnw of port mcneill, canada
  16. USGS-US10001PJ62015-03-22 → 2015-03-25
    96 km ese of yigo village, guam
  17. USGS-US10001MH62015-03-15 → 2015-03-18
    Earthquake magnitude 5.8 (mww) in 18.753N 146.423E, depth 46 km at 150447Z mar 15
    Pagan Region, Northern Mariana Islands
  18. USGS-USC000TWP22015-03-09 → 2015-03-12
    167 km s of punta de burica, panama
  19. USGS-USC000TWDD2015-03-07 → 2015-03-10
    198 km sse of atka, alaska
  20. USGS-USC000TU5Z2015-03-01 → 2015-03-04
    57 km ssw of puerto san josé, guatemala
  21. USGS-USC000TT0X2015-02-25 → 2015-02-28
    Earthquake magnitude 5.9 (mww) in 31.066N 141.820E, depth 9 km at 250701Z feb 15
    Izu Islands, Japan Region
  22. USGS-USC000TSKI2015-02-24 → 2015-02-27
    107 km e of miyako, japan
  23. USGS-USC000TSAK2015-02-22 → 2015-02-25
    207 km wsw of josé maría morelos, mexico
  24. USGS-USC000TS492015-02-21 → 2015-02-24
    133 km e of miyako, japan
  25. USGS-USC000TRSC2015-02-20 → 2015-02-23
    142 km e of miyako, japan
  26. USGS-USB000TQ7I2015-02-18 → 2015-02-21
    Earthquake magnitude 5.5 (mwc) in 8.285N 103.054W, depth 10 km at 180116Z feb 15
    Northern East Pacific Rise
  27. USGS-USB000TQ6V2015-02-18 → 2015-02-21
    Earthquake magnitude 5.5 (mwb) in 8.323N 103.159W, depth 5 km at 180048Z feb 15
    Northern East Pacific Rise
  28. USGS-USB000TQ2A2015-02-17 → 2015-02-20
    140 km e of yamada, japan
  29. USGS-USB000TPY82015-02-17 → 2015-02-20
    51 km n of miyako, japan
  30. USGS-USB000TPVJ2015-02-16 → 2015-02-19
    83 km ene of miyako, japan
  31. USGS-USB000TNLK2015-02-12 → 2015-02-15
    68 km wsw of josé maría morelos, mexico
  32. USGS-USC000TLUN2015-02-05 → 2015-02-08
    Earthquake magnitude 5.7 (mww) in 5.222N 082.622W, depth 4 km at 050440Z feb 15
    South of Panama
  33. USGS-USC000TL6W2015-02-03 → 2015-02-06
    81 km sse of nikolski, alaska
  34. USGS-USC000TKKW2015-01-31 → 2015-02-03
    147 km e of saipan, northern mariana islands
  35. USGS-NC723879462015-01-28 → 2015-01-31
    40 km sw of ferndale, california
  36. USGS-USC000TES32015-01-12 → 2015-01-15
    18 km w of el palmarcito, mexico
  37. USGS-USC000TCBA2015-01-07 → 2015-01-10
    236 km s of punta de burica, panama
  38. USGS-USC000TC8Q2015-01-06 → 2015-01-09
    123 km sse of ust’-kamchatsk staryy, russia
  39. USGS-USC000TA5D2014-12-26 → 2014-12-29
    173 km sw of río grande, panama
  40. USGS-USC000T8P42014-12-20 → 2014-12-23
    49 km e of namie, japan
  41. USGS-USC000T4IX2014-12-08 → 2014-12-11
    144 km ese of severo-kuril’sk, russia
  42. USGS-USC000T4IQ2014-12-08 → 2014-12-11
    22 km ese of punta de burica, panama
  43. USGS-USC000T4GC2014-12-07 → 2014-12-10
    61 km ssw of nueva concepción, guatemala
  44. USGS-USC000T4EP2014-12-07 → 2014-12-10
    50 km s of nueva concepción, guatemala
  45. USGS-USC000T49V2014-12-06 → 2014-12-09
    15 km ese of punta de burica, panama
  46. USGS-USB000SY4S2014-11-20 → 2014-11-23
    56 km ese of namie, japan
  47. USGS-USC000SWJ42014-11-12 → 2014-11-15
    Earthquake magnitude 5.5 (mwb) in 1.134N 085.383W, depth 10 km at 121116Z nov 14
    Off the Coast of Ecuador
  48. USGS-USB000SLWN2014-10-14 → 2014-10-17
    74 km s of intipucá, el salvador
  49. USGS-USB000SL3M2014-10-11 → 2014-10-14
    1 km e of san pedro huamelula, mexico
  50. USGS-USB000SKYS2014-10-11 → 2014-10-14
    152 km ene of hachinohe, 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.