Quakes · North Pacific Ocean 13 40.9 0 — — Quakes · Philippine Sea 11 35.6 0 — — Quakes · South Atlantic Ocean 5 14.7 1 23 — Quakes · South Pacific Ocean 5 14 1 33 — Spills · Gulf of Mexico 4 34 3 40 — Nav aids · Caribbean Sea long running 3 1,907.4 64 1,718 — Surveys · Persian Gulf long running 3 296.4 11 1,169 — Surveys · Arabian Sea 3 215.7 8 225 — Quakes · Banda Sea 3 9 0 — — Cable ops · Arabian Sea 2 125.8 5 154 — Quakes · Coral Sea long running 2 37 1 709 — Quakes · North Atlantic Ocean 2 6 0 — — Quakes · Southern Ocean 2 6 0 — — Nav aids · South Pacific Ocean long running 1 528 18 1,317 — Wrecks · The Northwestern Passages long running 1 278.5 9 1,520 — Wrecks · Persian Gulf long running 1 229.8 8 1,353 — Cable ops · Persian Gulf long running 1 200.6 7 954 — Wrecks · Caribbean Sea long running 1 190 7 964 — Nav aids · Beaufort Sea long running 1 153 5 1,177 — Nav aids · Coral Sea long running 1 131.5 5 540 — Nav aids · Persian Gulf long running 1 88.3 3 1,256 — Cable ops · Black Sea 1 24.9 1 24 — Spills · Bering Sea 1 14 0 — — Spills · The Coastal Waters of Southeast Alaska and British Columbia 1 12 1 44 — Nav aids · Great Australian Bight 1 5.8 1 5 — Quakes · Bismarck Sea 1 3 0 — — Quakes · Savu Sea 1 3 0 — — Quakes · Solomon Sea 1 3 0 — — Spills · Gulf of Alaska 1 2 1 2 — Structures · North Pacific Ocean 1 1.7 1 1 — Wrecks · Hudson Strait 1 0.8 1 0 — Quakes · Indian Ocean 1 0.1 1 0 — Nav aids · North Atlantic Ocean long running 0 837 27 1,403 — Exercises · North Pacific Ocean long running 0 558 18 371 — Volcanic · Philippine Sea long running 0 496 16 1,778 — Nav aids · South Atlantic Ocean long running 0 496 16 937 — Surveys · Indian Ocean long running 0 465 15 980 — Nav aids · North Pacific Ocean long running 0 403 13 1,304 — Nav aids · Gulf of Mexico long running 0 372 12 1,673 — Exercises · Bay of Bengal 0 341 11 154 — Wrecks · Arabian Sea long running 0 279 9 899 — Surveys · South Atlantic Ocean long running 0 279 9 815 — Wrecks · South Atlantic Ocean long running 0 248 8 730 — Nav aids · South China Sea long running 0 248 8 697 — Nav aids · Arabian Sea long running 0 217 7 1,465 — Cable ops · North Atlantic Ocean long running 0 217 7 499 — Surveys · North Atlantic Ocean long running 0 217 7 667 — Surveys · The Northwestern Passages long running 0 217 7 1,169 — Nav aids · Celtic Sea long running 0 186 6 781 — Wrecks · North Atlantic Ocean long running 0 186 6 744 — Wrecks · South China Sea long running 0 186 6 2,430 — Surveys · South Pacific Ocean long running 0 186 6 630 — Mines · Black Sea long running 0 155 5 1,345 — Nav aids · Irish Sea and St. George's Channel long running 0 155 5 691 — Missiles · North Atlantic Ocean long running 0 155 5 426 — Missiles · North Pacific Ocean long running 0 155 5 976 — Missiles · South Pacific Ocean 0 155 5 356 — Wrecks · South Pacific Ocean long running 0 155 5 942 — Surveys · Arctic Ocean long running 0 124 4 737 — Nav aids · Bering Sea long running 0 124 4 1,043 — Exercises · Black Sea long running 0 124 4 1,318 — Other · Caribbean Sea long running 0 124 4 975 — Cable ops · Celtic Sea long running 0 124 4 548 — Nav aids · English Channel long running 0 124 4 728 — Cable ops · Indian Ocean long running 0 124 4 588 — Exercises · Philippine Sea 0 124 4 148 — Surveys · Sea of Okhotsk 0 124 4 148 — Surveys · Timor Sea long running 0 124 4 608 — Nav aids · Andaman or Burma Sea long running 0 93 3 907 — Nav aids · Bay of Biscay long running 0 93 3 1,190 — Ordnance · Bay of Biscay long running 0 93 3 865 — Surveys · Black Sea long running 0 93 3 490 — Spills · Caribbean Sea long running 0 93 3 624 — Nav aids · Gulf of Alaska long running 0 93 3 606 — Exercises · Gulf of California long running 0 93 3 371 — Nav aids · Gulf of Oman long running 0 93 3 572 — Nav aids · Hudson Strait long running 0 93 3 840 — Nav aids · Indian Ocean long running 0 93 3 800 — Exercises · Japan Sea 0 93 3 149 — Nav aids · Laccadive Sea long running 0 93 3 869 — Exercises · North Atlantic Ocean long running 0 93 3 434 — Other · North Atlantic Ocean long running 0 93 3 556 — Wrecks · North Pacific Ocean long running 0 93 3 1,043 — Other · Persian Gulf long running 0 93 3 988 — Restricted · Persian Gulf 0 93 3 298 — Cable ops · Philippine Sea long running 0 93 3 542 — Nav aids · Philippine Sea long running 0 93 3 680 — Exercises · South China Sea 0 93 3 148 — Exercises · Arabian Sea 0 62 2 157 — Nav aids · Arafura Sea long running 0 62 2 542 — Nav aids · Bay of Bengal long running 0 62 2 423 — Surveys · Bay of Bengal 0 62 2 142 — Wrecks · Bay of Bengal long running 0 62 2 828 — Other · Bay of Biscay long running 0 62 2 1,017 — Surveys · Bay of Biscay long running 0 62 2 478 — Surveys · Bering Sea 0 62 2 109 — War risk · Black Sea long running 0 62 2 1,319 — Exercises · Caribbean Sea long running 0 62 2 770 — Surveys · Caribbean Sea long running 0 62 2 541 — Surveys · Chukchi Sea long running 0 62 2 814 — Wrecks · Coral Sea long running 0 62 2 1,218 — Surveys · Gulf of Mexico long running 0 62 2 483 — Exercises · Indian Ocean 0 62 2 140 — Missiles · Indian Ocean 0 62 2 168 — Other · Indian Ocean long running 0 62 2 654 — Surveys · Irish Sea and St. George's Channel long running 0 62 2 561 — Surveys · Kara Sea long running 0 62 2 1,194 — Wrecks · Kara Sea long running 0 62 2 745 — Nav aids · Mediterranean Sea - Eastern Basin long running 0 62 2 1,612 — Cable ops · North Pacific Ocean long running 0 62 2 368 — Debris · North Pacific Ocean 0 62 2 129 — Other · North Pacific Ocean long running 0 62 2 556 — Towing · North Pacific Ocean long running 0 62 2 584 — Volcanic · North Pacific Ocean long running 0 62 2 669 — Nav aids · North Sea long running 0 62 2 578 — Cable ops · South Atlantic Ocean long running 0 62 2 421 — Piracy · South China Sea 0 62 2 140 — Spills · South Pacific Ocean 0 62 2 150 — Cable ops · Sulu Sea long running 0 62 2 593 — Spills · North Atlantic Ocean long running 0 43 1 1,198 — Exercises · Andaman or Burma Sea 0 31 1 154 — Wrecks · Arafura Sea long running 0 31 1 659 — Nav aids · Arctic Ocean long running 0 31 1 749 — Derelicts · Bass Strait long running 0 31 1 567 — Surveys · Bass Strait long running 0 31 1 539 — Wrecks · Bass Strait 0 31 1 156 — Other · Bay of Bengal long running 0 31 1 818 — Debris · Bay of Biscay long running 0 31 1 1,150 — Wrecks · Bay of Biscay long running 0 31 1 521 — Other · Beaufort Sea long running 0 31 1 567 — Surveys · Beaufort Sea long running 0 31 1 814 — Nav aids · Black Sea long running 0 31 1 410 — Other · Black Sea long running 0 31 1 577 — Cable ops · Caribbean Sea long running 0 31 1 634 — Derelicts · Caribbean Sea long running 0 31 1 478 — Surveys · Celtic Sea long running 0 31 1 465 — Wrecks · Eastern China Sea long running 0 31 1 826 — Wrecks · English Channel long running 0 31 1 562 — Nav aids · Gulf of California long running 0 31 1 1,295 — Cable ops · Gulf of Guinea long running 0 31 1 545 — Exercises · Gulf of Mexico long running 0 31 1 442 — Storms · Gulf of Mexico long running 0 31 1 396 — Wrecks · Gulf of Mexico long running 0 31 1 1,328 — Derelicts · Gulf of Oman 0 31 1 134 — Wrecks · Gulf of Suez long running 0 31 1 651 — Incidents · Gulf of Thailand 0 31 1 150 — Nav aids · Hudson Bay long running 0 31 1 472 — Wrecks · Hudson Bay long running 0 31 1 836 — Restricted · Indian Ocean long running 0 31 1 595 — Wrecks · Indian Ocean 0 31 1 162 — Nav aids · Inner Seas off the West Coast of Scotland long running 0 31 1 414 — Exercises · Irish Sea and St. George's Channel long running 0 31 1 396 — Other · Irish Sea and St. George's Channel long running 0 31 1 557 — Wrecks · Irish Sea and St. George's Channel long running 0 31 1 547 — Cable ops · Java Sea long running 0 31 1 736 — Icebergs · Labrador Sea long running 0 31 1 395 — Containers · Laccadive Sea 0 31 1 153 — Exercises · Laccadive Sea 0 31 1 212 — Missiles · Laccadive Sea 0 31 1 137 — Incidents · Laccadive Sea 0 31 1 144 — Surveys · Laccadive Sea long running 0 31 1 1,357 — Wrecks · Laccadive Sea long running 0 31 1 987 — Cable ops · Ligurian Sea long running 0 31 1 683 — Other · Mediterranean Sea - Eastern Basin long running 0 31 1 557 — Surveys · Mediterranean Sea - Eastern Basin long running 0 31 1 676 — Cable ops · Mediterranean Sea - Western Basin long running 0 31 1 554 — Surveys · Mediterranean Sea - Western Basin long running 0 31 1 423 — Structures · Mozambique Channel long running 0 31 1 976 — Derelicts · North Atlantic Ocean long running 0 31 1 731 — Other · North Sea long running 0 31 1 396 — Surveys · Norwegian Sea long running 0 31 1 553 — Exercises · Persian Gulf 0 31 1 137 — Structures · Persian Gulf 0 31 1 115 — Missiles · Philippine Sea 0 31 1 137 — Surveys · Philippine Sea 0 31 1 149 — Derelicts · Red Sea 0 31 1 316 — Incidents · Red Sea 0 31 1 144 — Nav aids · Sea of Okhotsk 0 31 1 275 — Piracy · Singapore Strait 0 31 1 140 — Exercises · South Atlantic Ocean long running 0 31 1 394 — Icebergs · South Atlantic Ocean long running 0 31 1 395 — Cable ops · South China Sea long running 0 31 1 642 — Surveys · South China Sea long running 0 31 1 542 — Cable ops · South Pacific Ocean long running 0 31 1 373 — Nav aids · Tasman Sea long running 0 31 1 543 — Surveys · Tasman Sea long running 0 31 1 623 — Nav aids · The Coastal Waters of Southeast Alaska and British Columbia long running 0 31 1 964 — Nav aids · The Northwestern Passages long running 0 31 1 757 — Debris · Timor Sea 0 31 1 137 — Quakes · Java Sea 0 2.7 0 — —