NAVAREA XI - 23-0207

Issued: 14 Jun 2023, 12:00Last modified: 3 Nov 2026, 12:21

analysis

Active

Submarine volcanic eruption and discoloured water near Nanpo Shoto

Discoloured water was observed near 24-17.2N 141-28.8E at 140350Z June. A submarine volcanic eruption is reported to be continuing in the area. Vessels are requested to exercise caution. This message cancels 0110/22.

Vessels requested to exercise caution when in or near the area.

Type: Navigational hazard · severity high
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
Location: North Pacific, Nanpo Shoto
Validity: From 14 Jun 2023, 03:50 UTC
AT 140350Z JUN.
Activity periods: 14 Jun 2023, 03:50 UTC - ? (Observed at this time; eruption reported continuing)
Hazards: submarine volcanic eruption, discoloured water
Reported: 14 Jun 2023, 03:50 UTC (1239 days ago)
Cancels: 0110/22

Generated automatically from the warning text on 08 Oct 2026, 13:40 UTC. It can be wrong: the original warning below is the authoritative text.

Message content

NORTH PACIFIC, NANPO SHOTO. DISCOLOURED WATER OBSERVED IN VICINITY OF 24-17.20N 141-28.80E AT 140350Z JUN. SUBMARINE VOLCANIC ERUPTION CONTINUE. VESSELS REQUESTED TO BE CAUTION ADVISED. CANCEL 0110/22.

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