Quakes · North Pacific Ocean 26 132.1 1 33 — Quakes · South Pacific Ocean 11 34.5 0 — — Spills · Gulf of Mexico 6 71 5 41 — Spills · North Pacific Ocean 4 48 3 36 — Spills · The Coastal Waters of Southeast Alaska and British Columbia 3 50 1 45 — Quakes · Coral Sea long running 2 35.2 2 648 — Nav aids · Caribbean Sea long running 1 1,883.9 61 1,657 — Nav aids · North Atlantic Ocean long running 1 821.3 27 1,342 — Wrecks · Arabian Sea long running 1 258.6 9 838 — Wrecks · The Northwestern Passages long running 1 187 7 1,459 — Nav aids · Beaufort Sea long running 1 96 4 1,116 — Spills · North Atlantic Ocean long running 1 44 2 1,137 — Spills · Gulf of Alaska 1 21 0 — — Quakes · Bering Sea 1 3 0 — — Quakes · Caribbean Sea 1 3 0 — — Quakes · Eastern China Sea 1 3 0 — — Quakes · Gulf of Tomini 1 3 0 — — Quakes · Indian Ocean 1 3 0 — — Quakes · Molukka Sea 1 3 0 — — Quakes · Philippine Sea 1 3 0 — — Quakes · Southern Ocean 1 3 0 — — Quakes · South Atlantic Ocean 1 1.7 1 32 — Exercises · North Pacific Ocean 0 558 18 310 — Nav aids · South Pacific Ocean long running 0 527 17 1,256 — Nav aids · South Atlantic Ocean long running 0 496 16 876 — Volcanic · Philippine Sea long running 0 465 15 1,717 — Surveys · Indian Ocean long running 0 434 14 919 — Nav aids · North Pacific Ocean long running 0 403 13 1,243 — Nav aids · Gulf of Mexico long running 0 372 12 1,612 — Exercises · Bay of Bengal 0 341 11 93 — Surveys · South Atlantic Ocean long running 0 279 9 754 — Surveys · Persian Gulf long running 0 248 8 1,108 — Wrecks · South Atlantic Ocean long running 0 248 8 669 — Nav aids · South China Sea long running 0 248 8 636 — Nav aids · Arabian Sea long running 0 217 7 1,404 — Cable ops · North Atlantic Ocean long running 0 217 7 438 — Surveys · North Atlantic Ocean long running 0 217 7 606 — Wrecks · Persian Gulf long running 0 217 7 1,292 — Surveys · The Northwestern Passages long running 0 217 7 1,108 — Nav aids · Celtic Sea long running 0 186 6 720 — Wrecks · North Atlantic Ocean long running 0 186 6 683 — Surveys · South Pacific Ocean long running 0 186 6 569 — Surveys · Arabian Sea 0 155 5 164 — Mines · Black Sea long running 0 155 5 1,284 — Wrecks · Caribbean Sea long running 0 155 5 903 — Nav aids · Irish Sea and St. George's Channel long running 0 155 5 630 — Missiles · North Atlantic Ocean long running 0 155 5 365 — Missiles · North Pacific Ocean long running 0 155 5 915 — Cable ops · Persian Gulf long running 0 155 5 893 — Missiles · South Pacific Ocean 0 155 5 295 — Wrecks · South Pacific Ocean long running 0 155 5 881 — Surveys · Arctic Ocean long running 0 124 4 676 — Nav aids · Bering Sea long running 0 124 4 982 — Exercises · Black Sea long running 0 124 4 1,257 — Other · Caribbean Sea long running 0 124 4 914 — Cable ops · Celtic Sea long running 0 124 4 487 — Nav aids · Coral Sea long running 0 124 4 479 — Nav aids · English Channel long running 0 124 4 667 — Cable ops · Indian Ocean long running 0 124 4 527 — Exercises · Philippine Sea 0 124 4 87 — Surveys · Sea of Okhotsk 0 124 4 87 — Wrecks · South China Sea long running 0 124 4 2,369 — Surveys · Timor Sea long running 0 124 4 547 — Nav aids · Andaman or Burma Sea long running 0 93 3 846 — Cable ops · Arabian Sea 0 93 3 93 — Nav aids · Bay of Biscay long running 0 93 3 1,129 — Ordnance · Bay of Biscay long running 0 93 3 804 — Surveys · Black Sea long running 0 93 3 429 — Spills · Caribbean Sea long running 0 93 3 563 — Nav aids · Gulf of Alaska long running 0 93 3 545 — Exercises · Gulf of California 0 93 3 310 — Nav aids · Hudson Strait long running 0 93 3 779 — Nav aids · Indian Ocean long running 0 93 3 739 — Exercises · Japan Sea 0 93 3 88 — Nav aids · Laccadive Sea long running 0 93 3 808 — Exercises · North Atlantic Ocean long running 0 93 3 373 — Other · North Atlantic Ocean long running 0 93 3 495 — Wrecks · North Pacific Ocean long running 0 93 3 982 — Other · Persian Gulf long running 0 93 3 927 — Restricted · Persian Gulf 0 93 3 237 — Cable ops · Philippine Sea long running 0 93 3 481 — Nav aids · Philippine Sea long running 0 93 3 619 — Exercises · South China Sea 0 93 3 87 — Exercises · Arabian Sea 0 62 2 96 — Nav aids · Arafura Sea long running 0 62 2 481 — Nav aids · Bay of Bengal 0 62 2 362 — Surveys · Bay of Bengal 0 62 2 81 — Wrecks · Bay of Bengal long running 0 62 2 767 — Other · Bay of Biscay long running 0 62 2 956 — Surveys · Bay of Biscay long running 0 62 2 417 — Surveys · Bering Sea 0 62 2 48 — War risk · Black Sea long running 0 62 2 1,258 — Exercises · Caribbean Sea long running 0 62 2 709 — Surveys · Caribbean Sea long running 0 62 2 480 — Surveys · Chukchi Sea long running 0 62 2 753 — Wrecks · Coral Sea long running 0 62 2 1,157 — Surveys · Gulf of Mexico long running 0 62 2 422 — Nav aids · Gulf of Oman long running 0 62 2 511 — Exercises · Indian Ocean 0 62 2 79 — Missiles · Indian Ocean 0 62 2 107 — Other · Indian Ocean long running 0 62 2 593 — Surveys · Irish Sea and St. George's Channel long running 0 62 2 500 — Surveys · Kara Sea long running 0 62 2 1,133 — Wrecks · Kara Sea long running 0 62 2 684 — Nav aids · Mediterranean Sea - Eastern Basin long running 0 62 2 1,551 — Cable ops · North Pacific Ocean 0 62 2 307 — Debris · North Pacific Ocean 0 62 2 68 — Other · North Pacific Ocean long running 0 62 2 495 — Towing · North Pacific Ocean long running 0 62 2 523 — Volcanic · North Pacific Ocean long running 0 62 2 608 — Nav aids · North Sea long running 0 62 2 517 — Nav aids · Persian Gulf long running 0 62 2 1,195 — Cable ops · South Atlantic Ocean 0 62 2 360 — Piracy · South China Sea 0 62 2 79 — Spills · South Pacific Ocean 0 62 2 89 — Cable ops · Sulu Sea long running 0 62 2 532 — Exercises · Andaman or Burma Sea 0 31 1 93 — Wrecks · Arafura Sea long running 0 31 1 598 — Nav aids · Arctic Ocean long running 0 31 1 688 — Derelicts · Bass Strait long running 0 31 1 506 — Surveys · Bass Strait long running 0 31 1 478 — Wrecks · Bass Strait 0 31 1 95 — Other · Bay of Bengal long running 0 31 1 757 — Debris · Bay of Biscay long running 0 31 1 1,089 — Wrecks · Bay of Biscay long running 0 31 1 460 — Other · Beaufort Sea long running 0 31 1 506 — Surveys · Beaufort Sea long running 0 31 1 753 — Nav aids · Black Sea 0 31 1 349 — Other · Black Sea long running 0 31 1 516 — Cable ops · Caribbean Sea long running 0 31 1 573 — Derelicts · Caribbean Sea long running 0 31 1 417 — Surveys · Celtic Sea long running 0 31 1 404 — Wrecks · Eastern China Sea long running 0 31 1 765 — Wrecks · English Channel long running 0 31 1 501 — Nav aids · Gulf of California long running 0 31 1 1,234 — Cable ops · Gulf of Guinea long running 0 31 1 484 — Exercises · Gulf of Mexico long running 0 31 1 381 — Storms · Gulf of Mexico 0 31 1 335 — Wrecks · Gulf of Mexico long running 0 31 1 1,267 — Derelicts · Gulf of Oman 0 31 1 73 — Wrecks · Gulf of Suez long running 0 31 1 590 — Incidents · Gulf of Thailand 0 31 1 89 — Nav aids · Hudson Bay long running 0 31 1 411 — Wrecks · Hudson Bay long running 0 31 1 775 — Restricted · Indian Ocean long running 0 31 1 534 — Wrecks · Indian Ocean 0 31 1 101 — Nav aids · Inner Seas off the West Coast of Scotland 0 31 1 353 — Exercises · Irish Sea and St. George's Channel 0 31 1 335 — Other · Irish Sea and St. George's Channel long running 0 31 1 496 — Wrecks · Irish Sea and St. George's Channel long running 0 31 1 486 — Cable ops · Java Sea long running 0 31 1 675 — Icebergs · Labrador Sea 0 31 1 334 — Containers · Laccadive Sea 0 31 1 92 — Exercises · Laccadive Sea 0 31 1 151 — Missiles · Laccadive Sea 0 31 1 76 — Incidents · Laccadive Sea 0 31 1 83 — Surveys · Laccadive Sea long running 0 31 1 1,296 — Wrecks · Laccadive Sea long running 0 31 1 926 — Cable ops · Ligurian Sea long running 0 31 1 622 — Other · Mediterranean Sea - Eastern Basin long running 0 31 1 496 — Surveys · Mediterranean Sea - Eastern Basin long running 0 31 1 615 — Cable ops · Mediterranean Sea - Western Basin long running 0 31 1 493 — Surveys · Mediterranean Sea - Western Basin 0 31 1 362 — Structures · Mozambique Channel long running 0 31 1 915 — Derelicts · North Atlantic Ocean long running 0 31 1 670 — Other · North Sea 0 31 1 335 — Surveys · Norwegian Sea long running 0 31 1 492 — Exercises · Persian Gulf 0 31 1 76 — Structures · Persian Gulf 0 31 1 54 — Missiles · Philippine Sea 0 31 1 76 — Surveys · Philippine Sea 0 31 1 88 — Derelicts · Red Sea 0 31 1 255 — Incidents · Red Sea 0 31 1 83 — Nav aids · Sea of Okhotsk 0 31 1 214 — Piracy · Singapore Strait 0 31 1 79 — Exercises · South Atlantic Ocean 0 31 1 333 — Icebergs · South Atlantic Ocean 0 31 1 334 — Cable ops · South China Sea long running 0 31 1 581 — Surveys · South China Sea long running 0 31 1 481 — Cable ops · South Pacific Ocean 0 31 1 312 — Nav aids · Tasman Sea long running 0 31 1 482 — Surveys · Tasman Sea long running 0 31 1 562 — Nav aids · The Coastal Waters of Southeast Alaska and British Columbia long running 0 31 1 903 — Nav aids · The Northwestern Passages long running 0 31 1 696 — Debris · Timor Sea 0 31 1 76 —