Volcanic

150 square kilometer pumice raft from volcanic activity adrift reported in vicinity 18-56S 176-21W at…

South Pacific · Tonga · HYDROPAC 2780/19

issued
2019-08-27 01:16Z
status
cancelled 2019-08-29 22:03Z (archive)
cancels
HYDROPAC 2631/19
authority
NAVAREA XIV 108/19 270056Z AUG 19.
position
-18.933, -176.350
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH PACIFIC.
TONGA.
DNC 06.
1. 150 SQUARE KILOMETER PUMICE RAFT FROM VOLCANIC
   ACTIVITY ADRIFT REPORTED IN VICINITY
   18-56S 176-21W AT 262350Z AUG 19.
2. CANCEL HYDROPAC 2631/19.

This area · volcanic activity

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

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23

Season · when volcanic activity happen here

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A
M
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J
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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.