Quakes · South Pacific Ocean 7 18.1 1 26 — Spills · North Pacific Ocean 6 60 5 41 — Quakes · Indian Ocean 5 15 0 — — Quakes · North Pacific Ocean 5 15 0 — — Quakes · Philippine Sea 5 15 0 — — Nav aids · South Atlantic Ocean long running 4 901.2 30 1,149 — Spills · Gulf of Mexico 4 81 1 45 — Nav aids · Caribbean Sea long running 2 2,172.4 71 1,930 — Surveys · South Atlantic Ocean long running 2 356.1 13 1,027 — Quakes · Coral Sea long running 2 37 1 921 — Wrecks · Gulf of Guinea 2 21 2 10 — Quakes · Bismarck Sea 2 8.6 0 — — Quakes · Bering Sea 2 6 0 — — Quakes · Molukka Sea 2 6 0 — — Quakes · North Atlantic Ocean 2 4.1 1 15 — Nav aids · North Atlantic Ocean long running 1 988.4 32 1,615 — Nav aids · South Pacific Ocean long running 1 631.1 21 1,529 — Surveys · North Atlantic Ocean long running 1 315.5 11 879 — Surveys · Timor Sea long running 1 65.9 3 820 — Spills · North Atlantic Ocean long running 1 57 1 1,410 — Surveys · Sea of Okhotsk 1 40.6 2 38 — Nav aids · Timor Sea 1 3.9 1 3 — Quakes · Banda Sea 1 3 0 — — Quakes · Eastern China Sea 1 3 0 — — Quakes · Solomon Sea 1 3 0 — — Quakes · South Atlantic Ocean 1 3 0 — — Other · Great Australian Bight 1 2 1 1 — Cable ops · Great Australian Bight 1 1.9 1 1 — Exercises · North Pacific Ocean long running 0 496 16 583 — Cable ops · Arabian Sea 0 465 15 79 — Surveys · Indian Ocean long running 0 465 15 1,192 — Volcanic · Philippine Sea long running 0 465 15 1,990 — Nav aids · North Pacific Ocean long running 0 434 14 1,516 — Nav aids · Gulf of Mexico long running 0 372 12 1,885 — Wrecks · Arabian Sea long running 0 341 11 1,111 — Wrecks · Persian Gulf long running 0 279 9 1,565 — Wrecks · South Atlantic Ocean long running 0 279 9 942 — Wrecks · The Northwestern Passages long running 0 279 9 1,732 — Wrecks · Caribbean Sea long running 0 248 8 1,176 — Cable ops · North Atlantic Ocean long running 0 248 8 711 — Wrecks · North Atlantic Ocean long running 0 248 8 956 — Surveys · The Northwestern Passages long running 0 217 7 1,381 — Exercises · Bay of Bengal 0 186 6 62 — Nav aids · Celtic Sea long running 0 186 6 993 — Nav aids · South China Sea long running 0 186 6 909 — Surveys · Arabian Sea 0 155 5 138 — Nav aids · Beaufort Sea long running 0 155 5 1,389 — Nav aids · Bering Sea long running 0 155 5 1,255 — Mines · Black Sea long running 0 155 5 1,557 — Nav aids · Indian Ocean long running 0 155 5 1,012 — Nav aids · Irish Sea and St. George's Channel long running 0 155 5 903 — Missiles · North Atlantic Ocean long running 0 155 5 638 — Cable ops · Persian Gulf long running 0 155 5 1,166 — Nav aids · Persian Gulf long running 0 155 5 1,468 — Surveys · Persian Gulf long running 0 155 5 1,381 — Wrecks · South China Sea long running 0 155 5 2,642 — Surveys · South Pacific Ocean long running 0 155 5 842 — Nav aids · Andaman or Burma Sea long running 0 124 4 1,119 — Exercises · Arabian Sea 0 124 4 65 — Nav aids · Arabian Sea long running 0 124 4 1,677 — Surveys · Arctic Ocean long running 0 124 4 949 — Exercises · Black Sea long running 0 124 4 1,530 — Surveys · Black Sea long running 0 124 4 702 — Other · Caribbean Sea long running 0 124 4 1,187 — Cable ops · Celtic Sea long running 0 124 4 760 — Nav aids · English Channel long running 0 124 4 940 — Nav aids · Gulf of Alaska long running 0 124 4 818 — Other · Indian Ocean long running 0 124 4 866 — Other · North Atlantic Ocean long running 0 124 4 768 — Missiles · North Pacific Ocean long running 0 124 4 1,188 — Missiles · South Pacific Ocean long running 0 124 4 568 — Nav aids · Bay of Biscay long running 0 93 3 1,402 — Ordnance · Bay of Biscay long running 0 93 3 1,077 — Spills · Caribbean Sea long running 0 93 3 836 — Nav aids · Coral Sea long running 0 93 3 752 — Exercises · Gulf of California long running 0 93 3 583 — Nav aids · Hudson Strait long running 0 93 3 1,052 — Cable ops · Indian Ocean long running 0 93 3 800 — Nav aids · Laccadive Sea long running 0 93 3 1,081 — Wrecks · Laccadive Sea long running 0 93 3 1,199 — Exercises · North Atlantic Ocean long running 0 93 3 646 — Other · North Pacific Ocean long running 0 93 3 768 — Wrecks · North Pacific Ocean long running 0 93 3 1,255 — Other · Persian Gulf long running 0 93 3 1,200 — Cable ops · Philippine Sea long running 0 93 3 754 — Exercises · Philippine Sea 0 93 3 53 — Nav aids · Philippine Sea long running 0 93 3 892 — Wrecks · South Pacific Ocean long running 0 93 3 1,154 — Exercises · Aegean Sea 0 62 2 117 — Nav aids · Arafura Sea long running 0 62 2 754 — Surveys · Bass Strait long running 0 62 2 751 — Nav aids · Bay of Bengal 0 62 2 137 — Wrecks · Bay of Bengal long running 0 62 2 1,040 — Other · Bay of Biscay long running 0 62 2 1,229 — Surveys · Bay of Biscay long running 0 62 2 690 — Surveys · Bering Sea 0 62 2 321 — War risk · Black Sea long running 0 62 2 1,531 — Exercises · Caribbean Sea long running 0 62 2 982 — Surveys · Caribbean Sea long running 0 62 2 753 — Surveys · Chukchi Sea long running 0 62 2 1,026 — Wrecks · Coral Sea long running 0 62 2 1,430 — Surveys · Gulf of Mexico long running 0 62 2 695 — Wrecks · Gulf of Mexico long running 0 62 2 1,540 — Nav aids · Gulf of Oman long running 0 62 2 784 — Missiles · Indian Ocean 0 62 2 69 — Surveys · Irish Sea and St. George's Channel long running 0 62 2 773 — Surveys · Kara Sea long running 0 62 2 1,406 — Wrecks · Kara Sea long running 0 62 2 957 — Nav aids · Mediterranean Sea - Eastern Basin long running 0 62 2 1,824 — Debris · North Pacific Ocean 0 62 2 341 — Towing · North Pacific Ocean long running 0 62 2 796 — Volcanic · North Pacific Ocean long running 0 62 2 881 — Nav aids · North Sea long running 0 62 2 790 — Restricted · Persian Gulf long running 0 62 2 510 — Cable ops · South Atlantic Ocean long running 0 62 2 633 — Cable ops · South Pacific Ocean long running 0 62 2 585 — Cable ops · Sulu Sea long running 0 62 2 805 — Exercises · Tasman Sea 0 62 2 54 — Nav aids · Tasman Sea long running 0 62 2 755 — Other · Adriatic Sea 0 31 1 91 — Missiles · Aegean Sea 0 31 1 117 — Exercises · Andaman or Burma Sea 0 31 1 65 — Surveys · Andaman or Burma Sea 0 31 1 55 — Other · Arabian Sea 0 31 1 48 — Wrecks · Arafura Sea long running 0 31 1 871 — Nav aids · Arctic Ocean long running 0 31 1 961 — Cable ops · Bass Strait 0 31 1 45 — Derelicts · Bass Strait long running 0 31 1 779 — Wrecks · Bass Strait 0 31 1 63 — Other · Bay of Bengal long running 0 31 1 1,030 — Surveys · Bay of Bengal 0 31 1 59 — Debris · Bay of Biscay long running 0 31 1 1,362 — Wrecks · Bay of Biscay long running 0 31 1 733 — Other · Beaufort Sea long running 0 31 1 779 — Surveys · Beaufort Sea long running 0 31 1 1,026 — Cable ops · Black Sea 0 31 1 236 — Nav aids · Black Sea long running 0 31 1 622 — Other · Black Sea long running 0 31 1 789 — Cable ops · Caribbean Sea long running 0 31 1 846 — Derelicts · Caribbean Sea long running 0 31 1 690 — Surveys · Celtic Sea long running 0 31 1 677 — Other · Davis Strait 0 31 1 191 — Wrecks · Eastern China Sea long running 0 31 1 1,038 — Wrecks · English Channel long running 0 31 1 774 — Nav aids · Great Australian Bight 0 31 1 108 — Wrecks · Great Australian Bight 0 31 1 47 — Nav aids · Gulf of California long running 0 31 1 1,507 — Cable ops · Gulf of Guinea long running 0 31 1 757 — Exercises · Gulf of Mexico long running 0 31 1 654 — Storms · Gulf of Mexico long running 0 31 1 608 — Derelicts · Gulf of Oman 0 31 1 346 — Wrecks · Gulf of Suez long running 0 31 1 863 — Nav aids · Hudson Bay long running 0 31 1 684 — Wrecks · Hudson Bay long running 0 31 1 1,048 — Wrecks · Hudson Strait 0 31 1 212 — Derelicts · Indian Ocean 0 31 1 44 — Restricted · Indian Ocean long running 0 31 1 807 — Nav aids · Inner Seas off the West Coast of Scotland long running 0 31 1 626 — Exercises · Irish Sea and St. George's Channel long running 0 31 1 608 — Other · Irish Sea and St. George's Channel long running 0 31 1 769 — Wrecks · Irish Sea and St. George's Channel long running 0 31 1 759 — Cable ops · Java Sea long running 0 31 1 948 — Icebergs · Labrador Sea long running 0 31 1 607 — Exercises · Laccadive Sea 0 31 1 54 — Missiles · Laccadive Sea 0 31 1 44 — Surveys · Laccadive Sea long running 0 31 1 1,569 — Cable ops · Ligurian Sea long running 0 31 1 895 — Cable ops · Makassar Strait 0 31 1 124 — Surveys · Makassar Strait 0 31 1 124 — Surveys · Malacca Strait 0 31 1 187 — Other · Mediterranean Sea - Eastern Basin long running 0 31 1 769 — Surveys · Mediterranean Sea - Eastern Basin long running 0 31 1 888 — Cable ops · Mediterranean Sea - Western Basin long running 0 31 1 766 — Surveys · Mediterranean Sea - Western Basin long running 0 31 1 635 — Restricted · Mozambique Channel 0 31 1 140 — Structures · Mozambique Channel long running 0 31 1 1,188 — Derelicts · North Atlantic Ocean long running 0 31 1 943 — Cable ops · North Pacific Ocean long running 0 31 1 580 — Structures · North Pacific Ocean 0 31 1 213 — Other · North Sea long running 0 31 1 608 — Surveys · Norwegian Sea long running 0 31 1 765 — Storms · Philippine Sea 0 31 1 49 — Derelicts · Red Sea long running 0 31 1 528 — Nav aids · Sea of Okhotsk long running 0 31 1 487 — Exercises · South Atlantic Ocean long running 0 31 1 606 — Icebergs · South Atlantic Ocean long running 0 31 1 607 — Cable ops · South China Sea long running 0 31 1 854 — Surveys · South China Sea long running 0 31 1 754 — Exercises · South Pacific Ocean 0 31 1 45 — Other · South Pacific Ocean 0 31 1 49 — Cable ops · Tasman Sea 0 31 1 44 — Surveys · Tasman Sea long running 0 31 1 835 — Nav aids · The Coastal Waters of Southeast Alaska and British Columbia long running 0 31 1 1,176 — Nav aids · The Northwestern Passages long running 0 31 1 969 — Spills · Philippine Sea 0 6 0 — —