Volcanic

Discolored water in vicinity 27-13.6N 140-55.3E at 120643Z oct

Philippine Sea · Japan · HYDROPAC 2908/21

issued
2021-10-12 12:57Z
status
cancelled 2022-03-25 12:51Z (archive)
authority
NAVAREA XI 325/21 121112Z OCT 21.
position
27.227, 140.922
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINE SEA.
JAPAN.
DNC 12.
DISCOLORED WATER IN VICINITY 27-13.6N 140-55.3E
AT 120643Z OCT.

This area · volcanic activity

84 within 180 nm since 1996 · 1 in the last 12 months · 7 in force now

96
00
05
10
15
20
25

Season · when volcanic activity happen here

J
F
M
A
M
J
J
A
S
O
N
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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.