Survey operations in the North Pacific Ocean

Hydrographic and scientific survey vessels, often towing long arrays.

in force
1
last 12 months
1
vs previous 12 (1)
0%
since 1999
150

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 · 1

  1. HYDROPAC 2124/26in force2026-07-24
    Submersible survey operations are in areas near 22-40N 154-30E and 22-30N 153-45E in the North Pacific from July 25 to August 15; wide berth requested.
    North Pacific

Longest in force

  1. HYDROPAC 2124/26in force2026-07-24 · 29 d
    Submersible survey operations are in areas near 22-40N 154-30E and 22-30N 153-45E in the North Pacific from July 25 to August 15; wide berth requested.
    North Pacific

By year

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
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 · 149 cancelled

  1. NAVAREA XII 145/202020-04-03 → 2020-04-05
    Underwater operations 05 apr thru 12 apr by M/V dino choust with submersible in area bound by 38-00N…
    Eastern North Pacific · California
  2. HYDROPAC 742/202020-03-04 → 2020-03-12
    Underwater operations 05 thru 11 mar by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 34-54N…
    Western North Pacific · Philippine Sea · Japan
  3. HYDROPAC 3539/192019-10-27 → 2019-11-02
    Survey operations 28 oct thru 01 nov by M/V kaimei towing 7000 meter long cable in area bound by 33-00N…
    Western North Pacific · Philippine Sea · Japan
  4. NAVAREA XII 405/192019-08-25 → 2019-08-31
    Survey operations in progress until 30 aug by M/V joides resolution in: a. 01-13.00N 083-43.39W
    Eastern North Pacific
  5. HYDROPAC 2578/192019-08-10 → 2019-09-05
    Underwater operations 14 aug thru 04 sep in area bound by 43-00N 148-00E, 45-05N 148-00E, 45-05N 151-00E,…
    Western North Pacific · Japan
  6. HYDROPAC 2198/192019-07-06 → 2019-07-26
    Survey operations in progress until 29 jul by M/V antarctida and M/V pegas in area bound by 47-05N 153-00E,…
    Western North Pacific · Kiril Islands
  7. HYDROPAC 1731/192019-05-26 → 2019-06-16
    Underwater operations in progress until 160400Z jun notice by M/V admiral vorontsov in area bound by 47-05N…
    Western North Pacific · Sea of Okhotsk · Kuril Islands
  8. HYDROPAC 1190/192019-04-09 → 2019-06-06
    Survey operations 102230Z until further notice by two meter submersible in area bound by 27-00N 140-00E,…
    Western North Pacific · Philippine Sea · Japan
  9. HYDROPAC 3925/182018-10-29 → 2018-11-02
    Survey operations 31 oct thru 09 nov by M/V kaimei in area bound by 33-00N 139-00E, 28-00N 139-00E, 28-00N…
    Western North Pacific · Philippine Sea · Japan
  10. HYDROPAC 3881/182018-10-26 → 2018-11-03
    Underwater operations in progress until 02 nov by unmanned seven meter vessel in vicinity of trackline…
    Western North Pacific · Philippine Sea
  11. NAVAREA XII 358/182018-08-24 → 2018-09-15
    Survey operations in progress until 14 sep by M/V polarcus asima in area bound by 12-52.0N 087-54.5W,…
    Eastern North Pacific · Nicaragua
  12. HYDROPAC 2654/182018-07-21 → 2018-08-01
    Underwater operations 25 thru 31 jul by vessel mirai along trackline joining 45-00N 158-00E, 47-00N 160-00E,…
    Western North Pacific
  13. NAVAREA XII 250/182018-06-25 → 2018-08-23
    Survey operations 26 jun thru 22 aug by M/V polarcus asima towing 12 four mile long cables, M/V mara verde…
    Eastern North Pacific · Nicaragua
  14. NAVAREA XII 60/182018-02-03 → 2018-02-09
    Underwater operations by M/V robert gordan sproul with four submersibles: a. 08 thru 10 feb along trackline…
    Eastern North Pacific · California
  15. NAVAREA XII 556/172017-12-07 → 2017-12-09
    Survey operations in progress until further notice by M/V scillus in area bound by 31-51.04N 116-37.40W,…
    Eastern North Pacific · Mexico
  16. NAVAREA XII 496/172017-11-05 → 2017-11-25
    Survey operations 091500Z to 242300Z nov by M/V sally ride towing equipment along trackline joining 32-57.4N…
    Eastern North Pacific · California
  17. NAVAREA XII 475/172017-10-25 → 2017-10-30
    Survey operations 291400Z to 300400Z oct by M/V robert gordon sproul in area bound by 32-38.36N 117-30.11W,…
    Eastern North Pacific · California
  18. HYDROPAC 2702/172017-08-09 → 2017-10-25
    Survey operations 10 aug thru 11 nov by M/V orient explorer towing five mile long cable in area bound by…
    North Pacific · Bering Sea · Kamchatka-southeast Coast
  19. HYDROPAC 2410/172017-07-12 → 2017-08-03
    Survey operations in progress until 02 aug by M/V mirai along trackline joining 47-00N 160-00E, 52-36N…
    North Pacific · Bering Sea · Alaska
  20. NAVAREA XII 269/172017-06-16 → 2017-06-30
    Survey operations in progress by M/V nautilus: a. 21 jun in 18-54.00N 111-18.00W
    Eastern North Pacific · Mexico
  21. HYDROPAC 1881/172017-05-29 → 2017-06-11
    Underwater operations 01 thru 10 jun by M/V yokosuka with submersible in area bound by 21-20N 149-00E,…
    Western North Pacific
  22. NAVAREA XII 396/162016-10-31 → 2016-11-19
    Survey operations in progress until 18 nov by M/V ronald h. brown in area bound by 24-27.60N 112-54.36W,…
    Eastern North Pacific · Mexico
  23. HYDROPAC 2163/162016-07-19 → 2016-07-25
    Underwater operations 20 thru 24 jul by M/V yokosuka with submersible: a. in area bound by 34-55.0N…
    Western North Pacific · Philippine Sea · Japan
  24. HYDROPAC 1705/162016-06-07 → 2016-06-09
    Survey operations 08 and 09 jun by M/V geo resolution in area bound by 32-12N 142-23E, 31-07N 139-42E,…
    Western North Pacific · Philippine Sea
  25. HYDROPAC 1691/162016-06-07 → 2016-06-07
    Survey operations 07 and 08 jun by M/V geo resolution in area bound by 33-50N 140-51E, 31-50N 140-52E,…
    Western North Pacific · Philippine Sea · Japan
  26. HYDROPAC 1676/162016-06-05 → 2016-06-07
    Survey operations 06 and 07 jun by M/V geo resolution in area bound by 34-39N 140-09E, 34-11N 140-40E,…
    Western North Pacific · Philippine Sea · Japan
  27. HYDROPAC 1667/162016-06-05 → 2016-06-05
    Survey operations in progress until 06 jun by M/V geo resolution towing equipment in area bound by 35-01N…
    Western North Pacific · Japan
  28. HYDROPAC 1666/162016-06-05 → 2016-06-05
    Survey operations in progress until 06 jun by M/V geo resolution towing equipment in area bound by 35-00N…
    Western North Pacific · Japan
  29. HYDROPAC 1649/162016-06-03 → 2016-06-05
    Survey operations 03 and 04 jun by M/V geo resolution towing equipment in area bound by 31-47N 141-05E,…
    Western North Pacific · Philippine Sea
  30. HYDROPAC 1620/162016-06-01 → 2016-06-04
    Survey operations 02 and 03 jun by M/V geo resolution in area bound by 31-47N 141-05E, 32-15N 142-51E,…
    Western North Pacific · Nanpo Shoto
  31. HYDROPAC 1819/152015-06-04 → 2015-06-05
    Underwater operations 041400Z to 051355Z jun in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N…
    Western North Pacific · Mariana Islands
  32. NAVAREA XII 405/142014-11-03 → 2014-11-25
    Oceanographic operations 080800Z to 251600Z nov by M/V new horizon along trackline joining 32-57.4N…
    Eastern North Pacific · California
  33. HYDROPAC 3249/142014-11-02 → 2014-11-18
    Underwater operations 04 nov thru 18 dec by M/V mirai in area bound by 10-40N 165-00E, 10-00S 165-00E,…
    Western Pacific
  34. NAVAREA XII 317/142014-09-08 → 2014-09-25
    Oceanographic operations 13 thru 24 sep by M/V melville within 60 miles of 45-30N 127-30W
    Eastern North Pacific · Oregon
  35. HYDROPAC 2264/142014-08-03 → 2014-09-25
    Underwater operations 07 aug thru 24 sep by M/V joides resolution in: a. 28-27.0N 142-45.4E
    Western North Pacific
  36. HYDROPAC 753/142014-03-17 → 2014-03-28
    Salvage operations 2300Z to 0900Z commencing daily 19 thru 27 mar in area bound by 35-08-22N 139-35-49E,…
    Western North Pacific · Japan · Honshu
  37. HYDROPAC 3567/132013-11-16 → 2013-11-22
    Underwater operations 21 nov by M/V yokosuka with submersible along trackline between 13-00N 154-30E and…
    Western North Pacific
  38. HYDROPAC 3501/132013-11-11 → 2013-11-17
    Underwater operations 16 nov by M/V yokosuka with submersible in 01-15.0N 163-14.7E
    North Pacific
  39. NAVAREA XII 287/132013-11-10 → 2013-11-27
    Oceanographic operations in progress until 26 nov by M/V new horizon vicinity of trackline joining 32-40.8N…
    Eastern North Pacific · California
  40. NAVAREA XII 278/132013-10-27 → 2013-11-04
    Underwater operations 31 oct thru 03 nov by M/V melville within three miles of 32-50N 117-40W
    Eastern North Pacific · California
  41. NAVAREA XII 254/132013-10-02 → 2013-10-25
    Oceanographic operations 07 thru 24 oct by M/V melville within 12 miles of 13-51N 116-36W
    Eastern North Pacific
  42. NAVAREA XII 247/132013-09-28 → 2013-10-05
    Oceanographic operations 03 and 04 oct by M/V melville within three miles of 32-42.8N 117-37.6W
    Eastern North Pacific · California
  43. NAVAREA XII 188/132013-07-31 → 2013-08-26
    Oceanographic operations 04 thru 25 aug by M/V melville vicinity of trackline joining 48-49N 128-40W, 48-58N…
    Eastern North Pacific · Gulf of Alaska
  44. NAVAREA XII 187/132013-07-28 → 2013-08-10
    Oceanographic operations 01 thru 09 aug by M/V new horizon vicinity: a. 33-47.0N 118-40.7W
    Eastern North Pacific · California
  45. NAVAREA XII 107/132013-05-04 → 2013-06-04
    Oceanographic operations 08 may thru 03 jun by M/V melville vicinity of trackline joining 30-00N 167-00W,…
    Eastern North Pacific
  46. NAVAREA XII 329/122012-12-03 → 2012-12-16
    Underwater operations 08 thru 15 dec by M/V melville with submersible in area bound by 32-36N 117-12W,…
    Eastern North Pacific · California
  47. NAVAREA XII 293/122012-11-05 → 2012-12-04
    Underwater operations by M/V melville: a. 10 thru 12 nov vicinity of trackline joining 32-38-48.12N…
    Eastern North Pacific · California
  48. NAVAREA XII 205/122012-08-05 → 2012-09-03
    Oceanographic operations 09 aug thru 02 sep by M/V new horizon towing equipment along trackline joining…
    Eastern North Pacific
  49. NAVAREA XII 200/122012-08-03 → 2013-07-20
    B. 53-18-20.4N 135-37-22.2W at 229 meters
    Eastern North Pacific · Canada
  50. HYDROPAC 1733/122012-06-19 → 2012-08-02
    Underwater operations 24 jun thru 01 aug by M/V alucia with submersible in areas: a. bound by 27-15N…
    Western North Pacific · Japan · Nampo Shoto

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.

Survey operations in the North Pacific Ocean — page 2 · seahazards