Volcanic
Nampo Shoto
Western North Pacific · HYDROPAC 1222/12
- issued
- 2012-04-29 09:48Z
- status
- cancelled 2018-09-07 11:39Z (archive)
- authority
- NAVAREA XI 262/12 290938Z APR 12.
- position
- 24.822, 141.340
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. NAMPO SHOTO. CHART 97562 DISCOLORED WATER VICINITY 24-49.3N 141-20.4E AT 290640Z APR.
This area · volcanic activity
85 within 180 nm since 1996 · 1 in the last 12 months · 7 in force now
96
00
05
10
15
20
25
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3E2025-09-02
- Volcanic activity reported in area within 400 meters of 24-45.44N 141-19.60E at 100428Z nov2023-11-10
- Discolored water reported in vicinity 25-27.10N 141-14.50E at 140425Z jun2023-06-14
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z jun2023-06-14
- Discoloured water observed in vicinity of 24-17.2N 141-28.8E at 140350Z jun2023-06-14
- Discolored water reported in vicinity 25-27.10N 141-14.50E at 110433Z may2023-05-12
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 24-48.8N 141-19.2E at 130800Z julVolcanic · 1.2 nm
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3EVolcanic · 5.1 nm
- Discoloured water observed in vicinity of 24-17.2N 141-28.8E at 140350Z junVolcanic · 33 nm
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junVolcanic · 38.2 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.