Volcanic

Volcanic activity reported in area within one mile of 27-14.6N 140-52.7E at 180500Z dec

Philippine Sea · Japan · HYDROPAC 3739/20

issued
2020-12-18 11:58Z
status
cancelled 2022-03-25 12:51Z (archive)
authority
NAVAREA XI 488/20 181143Z DEC 20.
position
27.243, 140.878 · r 1.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINE SEA.
JAPAN.
DNC 12.
VOLCANIC ACTIVITY REPORTED IN AREA WITHIN
ONE MILE OF 27-14.6N 140-52.7E AT 180500Z DEC.

This area · volcanic activity

48 within 180 nm since 1996 · 1 in the last 12 months · 6 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
D

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.