Volcanic
Discolored water in vicinity 31-54.5N 140-01.6E at 240250Z mar
Western North Pacific · Philippine Sea · HYDROPAC 1024/17
- issued
- 2017-03-24 07:29Z
- status
- cancelled 2018-09-07 11:39Z (archive)
- authority
- NAVAREA XI 195/17 240636Z MAR 17.
- position
- 31.908, 140.027
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. PHILIPPINE SEA. DNC 12. CHART 97029. DISCOLORED WATER IN VICINITY 31-54.5N 140-01.6E AT 240250Z MAR.
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
- Possible pumices adrift in vicinity of trackline joining 30-41.00N 139-51.00E, 30-24.00N 139-45.00E,…2023-10-20
- 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- HYDROPAC warnings in force as of 071023Z sep 18cancelled by · 2018-09-07
Nearby now · within 120 nm
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepVolcanic · 28.1 nm
- 180500Z issued at 190200Z sepVolcanic · 28.2 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.