12 volcanic activity in force
Submarine eruptions, discoloured water, pumice rafts.
- HYDROPAC 2039/262026-07-16 18:11ZDiscolored water with increased likelihood of submarine volcanic activity is reported in Northern Mariana Islands vicinity at 20-26N 145-01E on July 16 at 0013Z.North Pacific · Northern Mariana Islands
- NAVAREA XI 322/262026-07-16 18:00ZDiscoloured water reported near 20-26.0N 145-01.0E on 16 July at 0013Z; cancels warning 0020/24.North Pacific, Marianas
- HYDROPAC 2242/252025-09-02 10:24ZVolcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.North Pacific · Philippine Sea · Japan
- NAVAREA XI 412/252025-09-02 09:00ZA volcanic eruption continues at Io To in the Nanpo Shoto, North Pacific. Vessels are advised to be cautious. Cancellation of warning 0539/24.North Pacific, Nanpo Shoto · Io To
- NAVAREA XI 492/242024-09-19 02:00Z180500Z issued at 190200Z sepNorth Pacific, Nanpo Shoto
- NAVAREA XI 491/242024-09-19 02:00ZDiscoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepNorth Pacific, Nanpo Shoto
- NAVAREA XI 206/232023-06-14 12:00ZDiscoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junNorth Pacific, Nanpo Shoto
- NAVAREA XI 207/232023-06-14 12:00ZDiscoloured water observed in vicinity of 24-17.2N 141-28.8E at 140350Z junNorth Pacific, Nanpo Shoto
- NAVAREA XI 326/212021-10-13 04:00ZDiscoloured water observed in extending south for 5 miles, 2 mile wide, from 27-16.7N 140-56.6E at 120643Z octNorth Pacific, Nanpo Shoto
- NAVAREA XI 325/212021-10-12 10:00ZDiscoloured water observedNorth Pacific, Nanpo Shoto
- NAVAREA XI 231/212021-07-13 12:00ZDiscoloured water observed in vicinity of 24-48.8N 141-19.2E at 130800Z julNorth Pacific, Nanpo Shoto
- NAVAREA XI 488/202020-12-18 12:00Z180500UTC issued at 180500UTC dec 2020 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…
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