Quakes · North Pacific Ocean 20 60 0 — — Quakes · South Pacific Ocean 9 24.9 3 31 — Surveys · Bay of Bengal 6 113.1 8 172 — Incidents · South China Sea 6 39.8 6 16 — Surveys · Arabian Sea 4 258.1 12 255 — Missiles · South Pacific Ocean long running 4 159.5 9 386 — Spills · Gulf of Mexico 4 77 1 41 — Missiles · Indian Ocean 3 79.1 5 198 — Nav aids · South Pacific Ocean long running 2 558.6 20 1,347 — Exercises · North Pacific Ocean long running 2 550 20 401 — Exercises · Bay of Bengal 2 334.5 13 184 — Cable ops · Arabian Sea 2 174.9 7 184 — Cable ops · North Pacific Ocean long running 2 70.9 4 398 — Spills · North Atlantic Ocean long running 2 48 3 1,228 — Spills · North Pacific Ocean 2 24 2 14 — Other · Arabian Sea 2 8.9 2 4 — Nav aids · North Atlantic Ocean long running 1 821.5 28 1,433 — Surveys · Indian Ocean long running 1 451.9 16 1,010 — Surveys · Persian Gulf long running 1 333.2 12 1,199 — Surveys · South Atlantic Ocean long running 1 272.9 10 845 — Surveys · South Pacific Ocean long running 1 204.9 7 660 — Wrecks · South Pacific Ocean long running 1 162 6 972 — Nav aids · Coral Sea long running 1 154.5 6 570 — Restricted · Persian Gulf 1 110.3 4 328 — Nav aids · Gulf of Alaska long running 1 107.1 4 636 — Nav aids · Andaman or Burma Sea long running 1 103.4 4 937 — Nav aids · Bay of Bengal long running 1 87.4 3 453 — Cable ops · South Atlantic Ocean long running 1 65.2 3 451 — Exercises · Arabian Sea 1 63.2 3 187 — Incidents · Laccadive Sea 1 45.4 2 174 — Incidents · Gulf of Thailand 1 35.7 2 180 — Exercises · Laccadive Sea 1 33.4 2 242 — Surveys · Tasman Sea long running 1 33 2 653 — Cable ops · Gulf of Oman 1 28.4 1 28 — Spills · The Coastal Waters of Southeast Alaska and British Columbia 1 26 0 — — Cable ops · Coral Sea 1 23.7 1 23 — Incidents · Arabian Sea 1 17.3 1 17 — Other · Laccadive Sea 1 10.5 1 10 — Other · South China Sea 1 9.4 1 9 — Other · Davis Strait 1 9.1 1 9 — Cable ops · Malacca Strait 1 7.5 1 7 — Quakes · Indian Ocean 1 5.9 0 — — Surveys · Malacca Strait 1 5.9 1 5 — Cable ops · Great Australian Bight 1 3.9 1 3 — Quakes · South Atlantic Ocean 1 3.3 0 — — Wrecks · Gulf of Oman 1 3.2 1 3 — Quakes · Banda Sea 1 3 0 — — Quakes · Gulf of Alaska 1 3 0 — — Quakes · Gulf of California 1 3 0 — — Quakes · Gulf of Tomini 1 3 0 — — Quakes · Norwegian Sea 1 3 0 — — Quakes · Sulu Sea 1 3 0 — — Exercises · South Pacific Ocean 1 2.9 1 2 — Nav aids · Caribbean Sea long running 0 1,920 64 1,748 — Volcanic · Philippine Sea long running 0 480 16 1,808 — Nav aids · South Atlantic Ocean long running 0 480 16 967 — Nav aids · North Pacific Ocean long running 0 390 13 1,334 — Nav aids · Gulf of Mexico long running 0 360 12 1,703 — Wrecks · Arabian Sea long running 0 270 9 929 — Wrecks · The Northwestern Passages long running 0 270 9 1,550 — Wrecks · Persian Gulf long running 0 240 8 1,383 — Wrecks · South Atlantic Ocean long running 0 240 8 760 — Nav aids · South China Sea long running 0 240 8 727 — Nav aids · Arabian Sea long running 0 210 7 1,495 — Wrecks · Caribbean Sea long running 0 210 7 994 — Cable ops · North Atlantic Ocean long running 0 210 7 529 — Surveys · North Atlantic Ocean long running 0 210 7 697 — Cable ops · Persian Gulf long running 0 210 7 984 — Surveys · The Northwestern Passages long running 0 210 7 1,199 — Nav aids · Celtic Sea long running 0 180 6 811 — Wrecks · North Atlantic Ocean long running 0 180 6 774 — Wrecks · South China Sea long running 0 180 6 2,460 — Nav aids · Beaufort Sea long running 0 150 5 1,207 — Mines · Black Sea long running 0 150 5 1,375 — Nav aids · Irish Sea and St. George's Channel long running 0 150 5 721 — Missiles · North Atlantic Ocean long running 0 150 5 456 — Missiles · North Pacific Ocean long running 0 150 5 1,006 — Surveys · Arctic Ocean long running 0 120 4 767 — Nav aids · Bering Sea long running 0 120 4 1,073 — Exercises · Black Sea long running 0 120 4 1,348 — Other · Caribbean Sea long running 0 120 4 1,005 — Cable ops · Celtic Sea long running 0 120 4 578 — Nav aids · English Channel long running 0 120 4 758 — Cable ops · Indian Ocean long running 0 120 4 618 — Exercises · Philippine Sea 0 120 4 178 — Surveys · Sea of Okhotsk 0 120 4 178 — Surveys · Timor Sea long running 0 120 4 638 — Nav aids · Bay of Biscay long running 0 90 3 1,220 — Ordnance · Bay of Biscay long running 0 90 3 895 — Surveys · Black Sea long running 0 90 3 520 — Spills · Caribbean Sea long running 0 90 3 654 — Exercises · Gulf of California long running 0 90 3 401 — Nav aids · Gulf of Oman long running 0 90 3 602 — Nav aids · Hudson Strait long running 0 90 3 870 — Nav aids · Indian Ocean long running 0 90 3 830 — Exercises · Japan Sea 0 90 3 179 — Nav aids · Laccadive Sea long running 0 90 3 899 — Exercises · North Atlantic Ocean long running 0 90 3 464 — Other · North Atlantic Ocean long running 0 90 3 586 — Wrecks · North Pacific Ocean long running 0 90 3 1,073 — Nav aids · Persian Gulf long running 0 90 3 1,286 — Other · Persian Gulf long running 0 90 3 1,018 — Cable ops · Philippine Sea long running 0 90 3 572 — Nav aids · Philippine Sea long running 0 90 3 710 — Exercises · South China Sea 0 90 3 178 — Nav aids · Arafura Sea long running 0 60 2 572 — Wrecks · Bay of Bengal long running 0 60 2 858 — Other · Bay of Biscay long running 0 60 2 1,047 — Surveys · Bay of Biscay long running 0 60 2 508 — Surveys · Bering Sea 0 60 2 139 — War risk · Black Sea long running 0 60 2 1,349 — Exercises · Caribbean Sea long running 0 60 2 800 — Surveys · Caribbean Sea long running 0 60 2 571 — Surveys · Chukchi Sea long running 0 60 2 844 — Wrecks · Coral Sea long running 0 60 2 1,248 — Surveys · Gulf of Mexico long running 0 60 2 513 — Exercises · Indian Ocean 0 60 2 170 — Other · Indian Ocean long running 0 60 2 684 — Surveys · Irish Sea and St. George's Channel long running 0 60 2 591 — Surveys · Kara Sea long running 0 60 2 1,224 — Wrecks · Kara Sea long running 0 60 2 775 — Nav aids · Mediterranean Sea - Eastern Basin long running 0 60 2 1,642 — Debris · North Pacific Ocean 0 60 2 159 — Other · North Pacific Ocean long running 0 60 2 586 — Towing · North Pacific Ocean long running 0 60 2 614 — Volcanic · North Pacific Ocean long running 0 60 2 699 — Nav aids · North Sea long running 0 60 2 608 — Piracy · South China Sea 0 60 2 170 — Spills · South Pacific Ocean 0 60 2 180 — Cable ops · Sulu Sea long running 0 60 2 623 — Exercises · Andaman or Burma Sea 0 30 1 184 — Wrecks · Arafura Sea long running 0 30 1 689 — Nav aids · Arctic Ocean long running 0 30 1 779 — Derelicts · Bass Strait long running 0 30 1 597 — Surveys · Bass Strait long running 0 30 1 569 — Wrecks · Bass Strait 0 30 1 186 — Other · Bay of Bengal long running 0 30 1 848 — Debris · Bay of Biscay long running 0 30 1 1,180 — Wrecks · Bay of Biscay long running 0 30 1 551 — Other · Beaufort Sea long running 0 30 1 597 — Surveys · Beaufort Sea long running 0 30 1 844 — Cable ops · Black Sea 0 30 1 54 — Nav aids · Black Sea long running 0 30 1 440 — Other · Black Sea long running 0 30 1 607 — Cable ops · Caribbean Sea long running 0 30 1 664 — Derelicts · Caribbean Sea long running 0 30 1 508 — Surveys · Celtic Sea long running 0 30 1 495 — Quakes · Coral Sea long running 0 30 1 739 — Wrecks · Eastern China Sea long running 0 30 1 856 — Wrecks · English Channel long running 0 30 1 592 — Nav aids · Great Australian Bight 0 30 1 35 — Nav aids · Gulf of California long running 0 30 1 1,325 — Cable ops · Gulf of Guinea long running 0 30 1 575 — Exercises · Gulf of Mexico long running 0 30 1 472 — Storms · Gulf of Mexico long running 0 30 1 426 — Wrecks · Gulf of Mexico long running 0 30 1 1,358 — Derelicts · Gulf of Oman 0 30 1 164 — Wrecks · Gulf of Suez long running 0 30 1 681 — Nav aids · Hudson Bay long running 0 30 1 502 — Wrecks · Hudson Bay long running 0 30 1 866 — Wrecks · Hudson Strait 0 30 1 30 — Restricted · Indian Ocean long running 0 30 1 625 — Wrecks · Indian Ocean 0 30 1 192 — Nav aids · Inner Seas off the West Coast of Scotland long running 0 30 1 444 — Exercises · Irish Sea and St. George's Channel long running 0 30 1 426 — Other · Irish Sea and St. George's Channel long running 0 30 1 587 — Wrecks · Irish Sea and St. George's Channel long running 0 30 1 577 — Cable ops · Java Sea long running 0 30 1 766 — Icebergs · Labrador Sea long running 0 30 1 425 — Containers · Laccadive Sea 0 30 1 183 — Missiles · Laccadive Sea 0 30 1 167 — Surveys · Laccadive Sea long running 0 30 1 1,387 — Wrecks · Laccadive Sea long running 0 30 1 1,017 — Cable ops · Ligurian Sea long running 0 30 1 713 — Other · Mediterranean Sea - Eastern Basin long running 0 30 1 587 — Surveys · Mediterranean Sea - Eastern Basin long running 0 30 1 706 — Cable ops · Mediterranean Sea - Western Basin long running 0 30 1 584 — Surveys · Mediterranean Sea - Western Basin long running 0 30 1 453 — Structures · Mozambique Channel long running 0 30 1 1,006 — Derelicts · North Atlantic Ocean long running 0 30 1 761 — Structures · North Pacific Ocean 0 30 1 31 — Other · North Sea long running 0 30 1 426 — Surveys · Norwegian Sea long running 0 30 1 583 — Exercises · Persian Gulf 0 30 1 167 — Structures · Persian Gulf 0 30 1 145 — Missiles · Philippine Sea 0 30 1 167 — Surveys · Philippine Sea 0 30 1 179 — Derelicts · Red Sea 0 30 1 346 — Incidents · Red Sea 0 30 1 174 — Nav aids · Sea of Okhotsk 0 30 1 305 — Piracy · Singapore Strait 0 30 1 170 — Exercises · South Atlantic Ocean long running 0 30 1 424 — Icebergs · South Atlantic Ocean long running 0 30 1 425 — Cable ops · South China Sea long running 0 30 1 672 — Surveys · South China Sea long running 0 30 1 572 — Cable ops · South Pacific Ocean long running 0 30 1 403 — Nav aids · Tasman Sea long running 0 30 1 573 — Nav aids · The Coastal Waters of Southeast Alaska and British Columbia long running 0 30 1 994 — Nav aids · The Northwestern Passages long running 0 30 1 787 — Debris · Timor Sea 0 30 1 167 —