Spills & pollution incidents in the Gulf of Alaska

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings.

in force
1
last 12 months
7
vs previous 12 (12)
-42%
since 1985
189

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. NOAAORR-11208in force2026-08-24
    On August 24, 2026, a mystery oil sheen is observed in Trading Bay, Western Cook Inlet, Alaska, near Platform Spark, with unknown source.
    Trading Bay Mystery Sheen; Western Cook Inlet, Alaska

Longest in force

  1. NOAAORR-11208in force2026-08-24 · 10 d
    On August 24, 2026, a mystery oil sheen is observed in Trading Bay, Western Cook Inlet, Alaska, near Platform Spark, with unknown source.
    Trading Bay Mystery Sheen; Western Cook Inlet, Alaska

By year

85
86
87
88
89
90
91
92
93
94
95
97
98
99
00
01
03
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 Gulf of Alaska

Archive · 188 cancelled

  1. NOAAORR-68101991-05-15 → 1991-05-29
    Hinchinbrook entrance, prince william sound, alaska
    F/V Max; Hinchinbrook Entrance, Prince William Sound, Alaska
  2. NOAAORR-68041991-04-28 → 1991-05-12
    Coast guard radar station; potato point, prince william sound, alaska
  3. NOAAORR-67771990-12-18 → 1991-01-01
    Cook inlet, alaska
    T/v Coast Range; Cook Inlet, Alaska
  4. NOAAORR-67331989-09-24 → 1989-10-08
    Kayak island, gulf of alaska
    T/v Steadfast; Kayak Island, Gulf of Alaska
  5. NOAAORR-67171989-08-21 → 1989-09-04
    Upper cook inlet, alaska
    M/V Lorna B; Upper Cook Inlet, Alaska
  6. NOAAORR-66831989-03-24 → 1989-04-07
    Bligh reef, prince william sound, alaska
    T/v Exxon Valdez; Bligh Reef, Prince William Sound, Alaska
  7. NOAAORR-66601989-01-31 → 1989-02-14
    Upper cook inlet, alaska
    Amoco Platform Anna; Upper Cook Inlet, Alaska
  8. NOAAORR-66481989-01-04 → 1989-01-18
    Thin point, cold bay, alaska
    Barge Kenai; Thin Point, Cold Bay, Alaska
  9. NOAAORR-66471989-01-03 → 1989-01-17
    Alyeska terminal, port valdez, alaska
    T/v Thompson Pass; Alyeska Terminal, Port Valdez, Alaska
  10. NOAAORR-66461988-12-28 → 1989-01-11
    Tank barge 283; shumagin islands, western gulf of alaska
  11. NOAAORR-66451988-12-28 → 1989-01-11
    T/b 283; shumagin islands, western gulf of alaska
  12. NOAAORR-66391988-12-12 → 1988-12-26
    Nikiski, cook inlet, alaska
    T/v Oriental Crane; Nikiski, Cook Inlet, Alaska
  13. NOAAORR-66321988-11-14 → 1988-11-28
    Upper cook inlet, alaska
    Marathon Spark Platform; Upper Cook Inlet, Alaska
  14. NOAAORR-66301988-11-02 → 1988-11-16
    Trading bay, upper cook inlet, alaska
    M/V Alaska Constructor; Trading Bay, Upper Cook Inlet, Alaska
  15. NOAAORR-65991988-08-05 → 1988-08-19
    Mystery Spill5; upper cook inlet, alaska
  16. NOAAORR-65911988-07-18 → 1988-08-01
    Dixon entrance, southeast alaska
    T/b Kenai; Dixon Entrance, Southeast Alaska
  17. NOAAORR-65921988-07-18 → 1988-08-01
    Jackolof bay, homer, alaska
    Tug Cindy Lee; Jackolof Bay, Homer, Alaska
  18. NOAAORR-65841988-06-22 → 1988-07-06
    Mystery Spill4; pickworth dock, anchorage, alaska
  19. NOAAORR-65701988-04-27 → 1988-05-11
    At approximately 2000 on april 26, 1988 at the the kodiak reduction, inc
    B&r Trucking; Kodiak, Alaska · Kodiak, Alaska
  20. NOAAORR-65581988-02-24 → 1988-03-09
    Chiniak bay, kodiak, alaska
    Tug Sydney Foss; Chiniak Bay, Kodiak, Alaska
  21. NOAAORR-65531988-02-08 → 1988-02-22
    Between 0500 and 0730 on february 8, 1988, 18 canisters, each containing 14 ounces of tear gas (chlorobenzyl…
    Alaska Army National Guard; Anchorage, Alaska · Anchorage, Alaska
  22. NOAAORR-65521988-02-02 → 1988-02-16
    F/V andrew mcgee; whale passage between, kodiak and afognak islands
  23. NOAAORR-65371987-12-21 → 1988-01-04
    Upper cook inlet, alaska
    Marathon Oil Company; Upper Cook Inlet, Alaska
  24. NOAAORR-65381987-12-21 → 1988-01-04
    Cook inlet, alaska
    Steelhead Platform Blowout; Cook Inlet, Alaska
  25. NOAAORR-64981987-09-11 → 1987-09-25
    He following information is based on the most current data provided to noaa
    Annhydrous Ammonia Release; Nikiski, Ak · Nikiski, Ak
  26. NOAAORR-64831987-07-02 → 1987-07-16
    Kenai, cook inlet, alaska
    T/v Glacier Bay; Kenai, Cook Inlet, Alaska
  27. NOAAORR-64561987-03-20 → 1987-04-03
    Mitrofania island, alaska
    F/V Miss Leona; Mitrofania Island, Alaska
  28. NOAAORR-64401987-01-19 → 1987-02-02
    Marathon oil Company1; upper cook inlet, alaska
  29. NOAAORR-64341986-12-15 → 1986-12-29
    Kenai peninsula, alaska
    Swanson River Oil Field; Kenai Peninsula, Alaska
  30. NOAAORR-64091986-09-21 → 1986-10-05
    On the morning of september 12, 1986, the U.S
    M/V Ocean Champion; Kodiak, Alaska · Kodiak, Alaska
  31. NOAAORR-64051986-09-09 → 1986-09-23
    M/V cape sarichef; grass bar island, copper river delta, gulf of alaska
  32. NOAAORR-64021986-09-05 → 1986-09-19
    On september 5, 1986, at approximately 1500, the U.S
    M/V Portland; Anchorage, Alaska · Anchorage, Alaska
  33. NOAAORR-63811986-07-22 → 1986-08-05
    Knik arm, upper cook inlet, alaska
    Chugach Electric; Knik Arm, Upper Cook Inlet, Alaska
  34. NOAAORR-63731986-06-17 → 1986-07-01
    Hazardous waste removal action, standard steel and metals salvage yard, anchorage, alaska uscg district 17
    Standard Steel & Metal Salvage; Anchorage, Alaska · Anchorage, Alaska
  35. NOAAORR-91251986-03-14 → 1986-03-28
    In kodiak ak a one ton chlorine tank was dropped and began to leak
    Chlorine Leak Kodiak, Ak; Kodiak, Ak · Kodiak, Ak
  36. NOAAORR-90451985-05-23 → 1985-06-06
    Trading bay, cook inlet, ak
    Gas Blowout Drilling Platform; Trading Bay, Cook Inlet, Ak
  37. NOAAORR-62811985-05-23 → 1985-06-06
    Cook inlet, alaska
    Graying Platform Blowout; Cook Inlet, Alaska
  38. NOAAORR-90211985-02-25 → 1985-03-11
    Whittear/port wells, ak
    Ammonium Nitrage Spill; Whittear/port Wells, Ak

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.

Spills & pollution incidents in the Gulf of Alaska — page 4 · seahazards