Spills · Gulf of Mexico 8 82 4 38 — Quakes · North Pacific Ocean 7 20.8 1 20 — Quakes · South Pacific Ocean 5 17.9 0 — — Spills · North Atlantic Ocean long running 3 69 2 1,318 — Quakes · Coral Sea long running 3 37 1 829 — Quakes · Philippine Sea 3 9 0 — — Nav aids · Caribbean Sea long running 2 1,878.4 68 1,838 — Wrecks · Persian Gulf long running 2 228.7 9 1,473 — Nav aids · Persian Gulf long running 2 90.1 5 1,376 — Exercises · Aegean Sea 2 50.5 2 25 — Quakes · South Atlantic Ocean 2 6.3 0 — — Surveys · Indian Ocean long running 1 438.8 16 1,100 — Nav aids · South Pacific Ocean long running 1 426.9 16 1,437 — Surveys · South Atlantic Ocean long running 1 282 11 935 — Surveys · North Atlantic Ocean long running 1 277.3 10 787 — Wrecks · North Atlantic Ocean long running 1 186.3 7 864 — Cable ops · Persian Gulf long running 1 150.4 6 1,074 — Nav aids · Bering Sea long running 1 123.3 5 1,163 — Nav aids · Indian Ocean long running 1 113.3 5 920 — Nav aids · Great Australian Bight 1 72.9 3 125 — Surveys · Bass Strait long running 1 44.1 2 659 — Nav aids · Tasman Sea long running 1 40.7 2 663 — Wrecks · Laccadive Sea long running 1 29.3 2 1,107 — Missiles · Aegean Sea 1 25.3 1 25 — Spills · North Pacific Ocean 1 18 0 — — Quakes · Banda Sea 1 3 0 — — Quakes · Bay of Bengal 1 3 0 — — Quakes · Bismarck Sea 1 3 0 — — Quakes · Caribbean Sea 1 3 0 — — Quakes · Celebes Sea 1 3 0 — — Quakes · Indian Ocean 1 3 0 — — Quakes · Sea of Okhotsk 1 3 0 — — Quakes · South China Sea 1 3 0 — — Quakes · Southern Ocean 1 3 0 — — Nav aids · North Atlantic Ocean long running 0 840 30 1,523 — Nav aids · South Atlantic Ocean long running 0 448 16 1,057 — Exercises · North Pacific Ocean long running 0 420 15 491 — Volcanic · Philippine Sea long running 0 420 15 1,898 — Nav aids · North Pacific Ocean long running 0 364 13 1,424 — Nav aids · Gulf of Mexico long running 0 336 12 1,793 — Surveys · Arabian Sea 0 308 11 142 — Cable ops · Arabian Sea 0 280 10 145 — Wrecks · Arabian Sea long running 0 280 10 1,019 — Wrecks · The Northwestern Passages long running 0 252 9 1,640 — Cable ops · North Atlantic Ocean long running 0 224 8 619 — Surveys · Persian Gulf long running 0 224 8 1,289 — Wrecks · South Atlantic Ocean long running 0 224 8 850 — Exercises · Bay of Bengal 0 196 7 64 — Wrecks · Caribbean Sea long running 0 196 7 1,084 — Surveys · The Northwestern Passages long running 0 196 7 1,289 — Nav aids · Celtic Sea long running 0 168 6 901 — Nav aids · South China Sea long running 0 168 6 817 — Nav aids · Arabian Sea long running 0 140 5 1,585 — Surveys · Bay of Bengal 0 140 5 74 — Nav aids · Beaufort Sea long running 0 140 5 1,297 — Mines · Black Sea long running 0 140 5 1,465 — Nav aids · Irish Sea and St. George's Channel long running 0 140 5 811 — Nav aids · Laccadive Sea long running 0 140 5 989 — Missiles · North Atlantic Ocean long running 0 140 5 546 — Wrecks · South China Sea long running 0 140 5 2,550 — Surveys · South Pacific Ocean long running 0 140 5 750 — Nav aids · Andaman or Burma Sea long running 0 112 4 1,027 — Surveys · Arctic Ocean long running 0 112 4 857 — Exercises · Black Sea long running 0 112 4 1,438 — Surveys · Black Sea long running 0 112 4 610 — Other · Caribbean Sea long running 0 112 4 1,095 — Cable ops · Celtic Sea long running 0 112 4 668 — Nav aids · English Channel long running 0 112 4 848 — Nav aids · Gulf of Alaska long running 0 112 4 726 — Missiles · South Pacific Ocean long running 0 112 4 476 — Exercises · Arabian Sea 0 84 3 61 — Nav aids · Bay of Bengal 0 84 3 117 — Nav aids · Bay of Biscay long running 0 84 3 1,310 — Ordnance · Bay of Biscay long running 0 84 3 985 — Spills · Caribbean Sea long running 0 84 3 744 — Exercises · Gulf of California long running 0 84 3 491 — Nav aids · Hudson Strait long running 0 84 3 960 — Surveys · Laccadive Sea long running 0 84 3 1,477 — Exercises · North Atlantic Ocean long running 0 84 3 554 — Other · North Atlantic Ocean long running 0 84 3 676 — Missiles · North Pacific Ocean long running 0 84 3 1,096 — Other · North Pacific Ocean long running 0 84 3 676 — Wrecks · North Pacific Ocean long running 0 84 3 1,163 — Other · Persian Gulf long running 0 84 3 1,108 — Cable ops · Philippine Sea long running 0 84 3 662 — Nav aids · Philippine Sea long running 0 84 3 800 — Wrecks · South Pacific Ocean long running 0 84 3 1,062 — Surveys · Timor Sea long running 0 84 3 728 — Exercises · Andaman or Burma Sea 0 56 2 54 — Other · Arabian Sea 0 56 2 59 — Nav aids · Arafura Sea long running 0 56 2 662 — Wrecks · Bay of Bengal long running 0 56 2 948 — Other · Bay of Biscay long running 0 56 2 1,137 — Surveys · Bay of Biscay long running 0 56 2 598 — Surveys · Bering Sea 0 56 2 229 — War risk · Black Sea long running 0 56 2 1,439 — Exercises · Caribbean Sea long running 0 56 2 890 — Surveys · Caribbean Sea long running 0 56 2 661 — Surveys · Chukchi Sea long running 0 56 2 934 — Nav aids · Coral Sea long running 0 56 2 660 — Wrecks · Coral Sea long running 0 56 2 1,338 — Surveys · Gulf of Mexico long running 0 56 2 603 — Wrecks · Gulf of Mexico long running 0 56 2 1,448 — Cable ops · Indian Ocean long running 0 56 2 708 — Other · Indian Ocean long running 0 56 2 774 — Surveys · Irish Sea and St. George's Channel long running 0 56 2 681 — Surveys · Kara Sea long running 0 56 2 1,314 — Wrecks · Kara Sea long running 0 56 2 865 — Nav aids · Mediterranean Sea - Eastern Basin long running 0 56 2 1,732 — Cable ops · North Pacific Ocean long running 0 56 2 488 — Debris · North Pacific Ocean 0 56 2 249 — Towing · North Pacific Ocean long running 0 56 2 704 — Volcanic · North Pacific Ocean long running 0 56 2 789 — Nav aids · North Sea long running 0 56 2 698 — Restricted · Persian Gulf long running 0 56 2 418 — Exercises · Philippine Sea 0 56 2 45 — Cable ops · South Atlantic Ocean long running 0 56 2 541 — Incidents · South China Sea 0 56 2 47 — Cable ops · Sulu Sea long running 0 56 2 713 — Surveys · Tasman Sea long running 0 56 2 743 — Wrecks · Tasman Sea 0 56 2 75 — Surveys · Andaman or Burma Sea 0 28 1 58 — Wrecks · Arafura Sea long running 0 28 1 779 — Nav aids · Arctic Ocean long running 0 28 1 869 — Cable ops · Bass Strait 0 28 1 52 — Derelicts · Bass Strait long running 0 28 1 687 — Cable ops · Bay of Bengal 0 28 1 47 — Other · Bay of Bengal long running 0 28 1 938 — Debris · Bay of Biscay long running 0 28 1 1,270 — Wrecks · Bay of Biscay long running 0 28 1 641 — Other · Beaufort Sea long running 0 28 1 687 — Surveys · Beaufort Sea long running 0 28 1 934 — Cable ops · Black Sea 0 28 1 144 — Nav aids · Black Sea long running 0 28 1 530 — Other · Black Sea long running 0 28 1 697 — Cable ops · Caribbean Sea long running 0 28 1 754 — Derelicts · Caribbean Sea long running 0 28 1 598 — Surveys · Celtic Sea long running 0 28 1 585 — Other · Davis Strait 0 28 1 99 — Wrecks · Eastern China Sea long running 0 28 1 946 — Wrecks · English Channel long running 0 28 1 682 — Missiles · Great Australian Bight 0 28 1 47 — Nav aids · Gulf of California long running 0 28 1 1,415 — Cable ops · Gulf of Guinea long running 0 28 1 665 — Exercises · Gulf of Mexico long running 0 28 1 562 — Storms · Gulf of Mexico long running 0 28 1 516 — Derelicts · Gulf of Oman 0 28 1 254 — Nav aids · Gulf of Oman long running 0 28 1 692 — Wrecks · Gulf of Oman 0 28 1 93 — Wrecks · Gulf of Suez long running 0 28 1 771 — Nav aids · Hudson Bay long running 0 28 1 592 — Wrecks · Hudson Bay long running 0 28 1 956 — Wrecks · Hudson Strait 0 28 1 120 — Missiles · Indian Ocean 0 28 1 72 — Restricted · Indian Ocean long running 0 28 1 715 — Nav aids · Inner Seas off the West Coast of Scotland long running 0 28 1 534 — Exercises · Irish Sea and St. George's Channel long running 0 28 1 516 — Other · Irish Sea and St. George's Channel long running 0 28 1 677 — Wrecks · Irish Sea and St. George's Channel long running 0 28 1 667 — Exercises · Japan Sea 0 28 1 52 — Missiles · Japan Sea 0 28 1 51 — Cable ops · Java Sea long running 0 28 1 856 — Icebergs · Labrador Sea long running 0 28 1 515 — Containers · Laccadive Sea 0 28 1 273 — Exercises · Laccadive Sea 0 28 1 61 — Cable ops · Ligurian Sea long running 0 28 1 803 — Cable ops · Makassar Strait 0 28 1 32 — Surveys · Makassar Strait 0 28 1 32 — Cable ops · Malacca Strait 0 28 1 62 — Surveys · Malacca Strait 0 28 1 95 — Other · Mediterranean Sea - Eastern Basin long running 0 28 1 677 — Surveys · Mediterranean Sea - Eastern Basin long running 0 28 1 796 — Cable ops · Mediterranean Sea - Western Basin long running 0 28 1 674 — Surveys · Mediterranean Sea - Western Basin long running 0 28 1 543 — Restricted · Mozambique Channel 0 28 1 48 — Structures · Mozambique Channel long running 0 28 1 1,096 — Derelicts · North Atlantic Ocean long running 0 28 1 851 — Structures · North Pacific Ocean 0 28 1 121 — Other · North Sea long running 0 28 1 516 — Surveys · Norwegian Sea long running 0 28 1 673 — Derelicts · Red Sea long running 0 28 1 436 — Nav aids · Sea of Okhotsk long running 0 28 1 395 — Piracy · Singapore Strait 0 28 1 43 — Exercises · South Atlantic Ocean long running 0 28 1 514 — Icebergs · South Atlantic Ocean long running 0 28 1 515 — Cable ops · South China Sea long running 0 28 1 762 — Surveys · South China Sea long running 0 28 1 662 — Cable ops · South Pacific Ocean long running 0 28 1 493 — Spills · South Pacific Ocean 0 28 1 220 — Incidents · South Pacific Ocean 0 28 1 45 — Missiles · Sulu Sea 0 28 1 43 — Cable ops · Tasman Sea 0 28 1 57 — Nav aids · The Coastal Waters of Southeast Alaska and British Columbia long running 0 28 1 1,084 — Nav aids · The Northwestern Passages long running 0 28 1 877 — Spills · Beaufort Sea 0 6 0 — — Spills · Gulf of Alaska 0 2 0 — —