Spills & pollution incidents in the North Pacific Ocean

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
2
last 12 months
33
vs previous 12 (24)
+38%
since 1957
776

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. NOAAORR-11212in force2026-08-30
    On August 30, 2026, a sunken 25-foot vessel at Moss Landing, California is discharging diesel, creating a 50 by 100 yard sheen.
    Sunken Vessel At Boat Ramp; Moss Landing, California
  2. NOAAORR-11209in force2026-08-25
    As of August 26, 2026, about 50 dead cormorants are reported along Zuniga Jetty, San Diego, California. Cause unknown, no pollution observed.
    Dead Cormorants; San Diego, California

Longest in force

  1. NOAAORR-11209in force2026-08-25 · 10 d
    As of August 26, 2026, about 50 dead cormorants are reported along Zuniga Jetty, San Diego, California. Cause unknown, no pollution observed.
    Dead Cormorants; San Diego, California
  2. NOAAORR-11212in force2026-08-30 · 5 d
    On August 30, 2026, a sunken 25-foot vessel at Moss Landing, California is discharging diesel, creating a 50 by 100 yard sheen.
    Sunken Vessel At Boat Ramp; Moss Landing, California

By year

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77
84
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91
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01
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25
26

By month (all years)

J
F
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Other hazards in the North Pacific Ocean

Archive · 774 cancelled

  1. NOAAORR-66851989-03-31 → 1989-04-14
    San francisco, california
    Container Freight Services Terminal; San Francisco, California
  2. NOAAORR-66761989-03-06 → 1989-03-20
    Mystery oil Spill4; suisun bay, concord, california
  3. NOAAORR-66741989-03-03 → 1989-03-17
    At about 2000 on march 2, 1989, the tanker exxon houston, with 90,000 barrels of prudhoe bay crude oil…
    Exxon Houston; Honolulu, Hawaii · Honolulu, Hawaii
  4. NOAAORR-66731989-03-01 → 1989-03-15
    Humboldt bay, ell river basin, california
    F/V Pacific Eagle; Humboldt Bay, Ell River Basin, California
  5. NOAAORR-66621989-02-04 → 1989-02-18
    San francisco, california
    M/V Waardrecht; San Francisco, California
  6. NOAAORR-66611989-01-31 → 1989-02-14
    Stevedoring services of america 2; san francisco, california
  7. NOAAORR-66431988-12-26 → 1989-01-09
    Umtb 283; aleutian islands, alaska
  8. NOAAORR-66411988-12-23 → 1989-01-06
    Grays harbor, washington
    T/b Nestucca; Grays Harbor, Washington
  9. NOAAORR-66261988-10-13 → 1988-10-27
    Point ano neuevo, california
    T/v Omi Columbia; Point Ano Neuevo, California
  10. NOAAORR-66241988-10-10 → 1988-10-24
    Mystery Spill7; long beach, washington
  11. NOAAORR-66211988-10-07 → 1988-10-21
    Columbia river, oregon
    Puget Island; Columbia River, Oregon
  12. NOAAORR-66081988-08-24 → 1988-09-07
    Cape flattery, washington
    Irkutsk/ocean Fame; Cape Flattery, Washington
  13. NOAAORR-66051988-08-19 → 1988-09-02
    Long beach, california
    Franco Trucking; Long Beach, California
  14. NOAAORR-65691988-04-23 → 1988-05-07
    Carquinez straits, martinez, california
    Shell Oil Complex; Carquinez Straits, Martinez, California
  15. NOAAORR-65431988-01-05 → 1988-01-19
    Rocky point, california
    F/V Sea Master; Rocky Point, California
  16. NOAAORR-65421988-01-04 → 1988-01-18
    On january 4, 1988, approximately 100 gallons of hexamethylenimine was spilled during transfer of a marine…
    Hexamethylenimine Release; Oakland, California · Oakland, California
  17. NOAAORR-65351987-12-16 → 1987-12-30
    On december 16, 1987 at 1404 pst the san francisco ssc was notified that a dark black slick had been sighted…
    Barge Jovalan; California Coast · California Coast
  18. NOAAORR-65341987-12-14 → 1987-12-28
    Off point arguello, california
    M/V Doric; Off Point Arguello, California
  19. NOAAORR-65321987-12-10 → 1987-12-24
    Mystery Slick1; point montara, california
  20. NOAAORR-65291987-12-06 → 1987-12-20
    Half moon bay, california
    Pontoon Derrick Barge Lady Eleanor; Half Moon Bay, California
  21. NOAAORR-65261987-12-02 → 1987-12-16
    At 1407 on december 2, 1987, U.S
    Maersk Container Terminal; Oakland, California · Oakland, California
  22. NOAAORR-65251987-12-02 → 1987-12-16
    Humboldt bay, california
    F/V Midnight Sun; Humboldt Bay, California
  23. NOAAORR-65181987-11-05 → 1987-11-19
    San leandro, california
    Truck Collision; San Leandro, California
  24. NOAAORR-65141987-10-30 → 1987-11-13
    San francisco, california
    T/v Exxon New Orleans; San Francisco, California
  25. NOAAORR-65151987-10-30 → 1987-11-13
    Tung tai enterprises; pier 96, san francisco, california
  26. NOAAORR-65031987-10-06 → 1987-10-20
    Gulf of alaska off dixon entrance
    T/v Stuyvesant; Gulf of Alaska Off Dixon Entrance
  27. NOAAORR-64991987-09-21 → 1987-10-05
    Pac baroness; 12 miles southwest of point conception, california
  28. NOAAORR-64971987-09-10 → 1987-09-24
    At 1630 on september 10, 1987, the U.S
    F/V Western One; Moss Landing · Moss Landing
  29. NOAAORR-64961987-09-09 → 1987-09-23
    San mateo, california
    Leslie Salt; San Mateo, California
  30. NOAAORR-64881987-07-28 → 1987-08-11
    At 2010 on july 28, 1987, the U.S
    Rhome Chemical Company; Richmond, California · Richmond, California
  31. NOAAORR-64871987-07-23 → 1987-08-06
    At 0807 on july 23, 1987, the U.S
    Xerox Corporation; Newark, California · Newark, California
  32. NOAAORR-64861987-07-23 → 1987-08-06
    At 2210 on july 22, 1987, the U.S
    Simpson Paper Company; Eureka, California · Eureka, California
  33. NOAAORR-64821987-06-24 → 1987-07-08
    Steel corporation tosco refinery; san francisco bay
    U.S
  34. NOAAORR-64771987-06-04 → 1987-06-18
    Salt point state park, bodega bay, california
    F/V Beverly J; Salt Point State Park, Bodega Bay, California
  35. NOAAORR-64741987-05-18 → 1987-06-01
    Discovery bay, stockton, california
    Tank Truck Spill; Discovery Bay, Stockton, California
  36. NOAAORR-64731987-05-18 → 1987-06-01
    Waiawa wildlife refuge, honolulu, hawaii
    Chevron Pipeline; Waiawa Wildlife Refuge, Honolulu, Hawaii
  37. NOAAORR-64711987-05-10 → 1987-05-24
    San luis obispo, california
    Tug Challenger; San Luis Obispo, California
  38. NOAAORR-64701987-05-08 → 1987-05-22
    On march 8, 1989, three southern pacific railroad tank cars derailed near a slough immediately adjacent to…
    Southern Pacific Railroad; Oakland, California · Oakland, California
  39. NOAAORR-64671987-05-07 → 1987-05-21
    San pablo bay
    Chek Development Construction Company; San Pablo Bay
  40. NOAAORR-64651987-05-02 → 1987-05-16
    At 1000 on may 2, 1987, the U.S
    Mystery Black Oil Spill, Pacifica; Pacifica, Ca · Pacifica, Ca
  41. NOAAORR-64641987-04-28 → 1987-05-12
    Mystery oil Spill2; pilarcitos creek, half moon bay, california
  42. NOAAORR-64631987-04-21 → 1987-05-05
    T/v jinei maru; northwest of bodega bay, san francisco, california
  43. NOAAORR-64621987-04-21 → 1987-05-05
    Morro bay, california
    Diablo Canyon Nuclear Power Plant; Morro Bay, California
  44. NOAAORR-64611987-04-15 → 1987-04-29
    Dora bay, alaska
    M/V Honan Ace; Dora Bay, Alaska
  45. NOAAORR-64601987-04-14 → 1987-04-28
    Early in the morning on april 14, 1987, an arrow transportation company tank truck carrying approximately…
    Arrow Transportation Company; Dublin, California · Dublin, California
  46. NOAAORR-64511987-03-09 → 1987-03-23
    Ulak island, aleutian islands
    F/V Birgit N; Ulak Island, Aleutian Islands
  47. NOAAORR-64451987-02-13 → 1987-02-27
    Golden gate bridge, san francisco, california
    Oil Slick; Golden Gate Bridge, San Francisco, California
  48. NOAAORR-64441987-02-07 → 1987-02-21
    An inspection of the area by the coast guard on february 8-10, showed that most of the spilled oil had been…
    Oil Spill Sighted Off Piedras Blancas; Monterey, California · Monterey, California
  49. NOAAORR-64421987-01-20 → 1987-02-03
    Laau point, molokai, hawaii
    Barge Hana; Laau Point, Molokai, Hawaii
  50. NOAAORR-64371986-12-27 → 1987-01-10
    Palo alto, california
    Baron Beechcraft Crash; Palo Alto, California

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 North Pacific Ocean — page 14 · seahazards