Volcanic
Possible pumices adrift in vicinity of trackline joining 30-41.00N 139-51.00E, 30-24.00N 139-45.00E,…
Philippine Sea · Japan · HYDROPAC 3339/23
- issued
- 2023-10-20 15:31Z
- status
- cancelled 2023-10-23 15:28Z (archive)
- self-cancels
- 2023-10-23 15:28Z
- cancels
- HYDROPAC 3336/23
- authority
- NAVAREA XI 361/23 201523Z OCT 23.
- position
- 30.331, 139.726
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
PHILIPPINE SEA. JAPAN. DNC 12. 1. POSSIBLE PUMICES ADRIFT IN VICINITY OF TRACKLINE JOINING 30-41.00N 139-51.00E, 30-24.00N 139-45.00E, 30-17.00N 139-44.00E, 30-13.00N 139-40.00E, 30-10.00N 139-40.00E, 30-05.00N 139-38.00E, 29-59.00N 139-36.00E. AT 200525Z OCT. 2. CANCEL HYDROPAC 3336/23. 3. CANCEL THIS MSG 231528Z OCT 23.
This area · volcanic activity
10 within 180 nm since 2001 · 0 in the last 12 months · 2 in force now
01
05
10
15
20
24
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sep2024-09-19
- 180500Z issued at 190200Z sep2024-09-19
- Possible pumices adrift in vicinity of trackline joining 30-41.00N 139-51.00E, 30-24.00N 139-45.00E,…2023-10-20
- Discolored water in vicinity 31-54.5N 140-01.6E at 240250Z mar2017-03-24
- White smoke, possible volcanic activity, vicinity 30-29.0N 140-18.2E at 130600Z aug2002-08-13
- Discolored water vicinity of trackline between 30-29.0N 140-18.2E and 30-32.8N 140-06.1E2002-08-13
Season · when volcanic activity happen here
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M
A
M
J
J
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S
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- 180500Z issued at 190200Z sepVolcanic · 68.5 nm
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepVolcanic · 68.6 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.