Volcanic

Nga chart 83560 (3RD ed)

HYDROPAC 601/09

issued
2009-03-21 07:53Z
status
cancelled 2009-04-07 21:40Z (archive)
authority
NAVAREA XIV 12/09 180548Z MAR 09.
sea
South Pacific Ocean
position
-20.533, -175.383
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 83560 (3RD ED).
VOLCANIC ACTIVITY REPORTED VICINITY HUNGA TONGA (20-32S 175-23W).

This area · volcanic activity

18 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
20
23

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

Nothing else in force 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.