Volcanic
Discolored 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 · HYDROPAC 2039/26
- issued
- 2026-07-16 18:11Z
- status
- in force
- cancels
- HYDROPAC 153/24
- position
- 20.433, 145.017
- source
- nga_inforce · first seen 2026-08-17 13:41Z
Original warning text
NORTH PACIFIC. NORTHERN MARIANA ISLANDS. 1. DISCOLORED WATER WITH INCREASED LIKELIHOOD OF SUBMARINE VOLCANIC ACTIVITY REPORTED IN VICINITY 20-26.00N 145-01.00E AT 160013Z JUL. 2. CANCEL HYDROPAC 153/24.
Conditions at the position · now
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Open-Meteo Marine / Open-Meteo · GEBCO 2020 · model data at the centroid, not an observation
This area · volcanic activity
10 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now
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- Discoloured water reported in vicinity of 20-26.0N 145-01.0E at 160013Z jul2026-07-16
- Discolored water with increased likelihood of submarine volcanic activity reported in 20-25.00N 145-01.00E…2024-01-13
- Discolored water with submarine volcanic activity reported in 20-25.2N 145-01.8E at 012230Z jan2024-01-01
- Discolored water with submarine volcanic activity reported in 20-25.20N 145-01.80E at 270127Z jan2023-01-28
- Cancel HYDROPAC 1304/142014-05-06
- Mariana Islands2014-05-05
Season · when volcanic activity happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Worldwide now
12 volcanic activity in force · see all
Volcanic
Submarine eruptions, discoloured water, pumice rafts. All current volcanic activity →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.