Volcanic

Discolored water is reported at 31-26.40N 140-03.00E in Philippine Sea near Japan at 180545Z September; Hydropac 2440/24 is cancelled.

Philippine Sea · Japan · HYDROPAC 3071/24

issued
2024-09-19 02:45Z
status
cancelled 2026-08-17 00:00Z (dropped from snapshot)
cancels
HYDROPAC 2440/24
sea
Philippine Sea
position
31.440, 140.050
source
nga_wayback · first seen 2024-10-02 13:30Z

Original warning text

PHILIPPINE SEA.
JAPAN.
DNC 12.
1. DISCOLORED WATER REPORTED IN
   31-26.40N 140-03.00E AT 180545Z SEP.
2. CANCEL HYDROPAC 2440/24.

This area · volcanic activity

12 within 180 nm since 2001 · 0 in the last 12 months · 2 in force now

01
05
10
15
20
24

Season · when volcanic activity happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline · 4 messages since 2024-09-19 · in force

  1. 180500Z issued at 190200Z sep2024-09-19
  2. Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sep2024-09-19
  3. Discolored water reported in 31-26.40N 140-03.00E at 180545Z sep this message2024-09-19 → 2026-08-17
  4. Possible volcanic activity reported in 31-26.30N 140-03.00E2024-09-19 → 2026-08-17

joined by proximity

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.