Volcanic

Volcanic activity reported in area within two miles of 27-14.6N 140-52.7E at 190500Z aug

Philippine Sea · Japan · HYDROPAC 2439/20

issued
2020-08-20 10:33Z
status
cancelled 2020-11-07 11:43Z (archive)
cancels
HYDROPAC 4159/19
authority
NAVAREA XI 316/20 201023Z AUG 20.
sea
Philippine Sea
position
27.243, 140.878 · r 2.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINE SEA.
JAPAN.
DNC 12.
1. VOLCANIC ACTIVITY REPORTED IN AREA WITHIN
   TWO MILES OF 27-14.6N 140-52.7E AT
   190500Z AUG.
2. CANCEL HYDROPAC 4159/19.

This area · volcanic activity

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

96
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05
10
15
20
25

Season · when volcanic activity happen here

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A
M
J
J
A
S
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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.