Volcanic
Nga chart 97521 (6TH ed)
North Pacific · HYDROPAC 375/10
- issued
- 2010-02-26 12:05Z
- status
- cancelled 2011-10-01 09:06Z (archive)
- cancels
- HYDROPAC 249/10
- authority
- NAVAREA XI 113/10 260738Z FEB 10.
- position
- 24.288, 141.480
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. NGA CHART 97521 (6TH ED). 1. DISCOLORED WATER WITH SUBMARINE VOLCANIC ACTIVITY REPORTED IN 24-17.3N 141-28.8E AT 250455Z FEB. 2. CANCEL HYDROPAC 249/10.
This area · volcanic activity
58 within 180 nm since 1996 · 1 in the last 12 months · 5 in force now
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05
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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
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M
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month of issue, all years in the archive
Timeline
- Nga chart 97521 (6TH ed)cancels · 2010-02-08
- Nga chart 97521 (6TH ed)replaced · 2010-02-08
- HYDROPAC 2757/11(GEN)cancelled by · 2011-10-01
Nearby now · within 120 nm
- Discoloured water observed in vicinity of 24-17.2N 141-28.8E at 140350Z junVolcanic · 0.1 nm
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3EVolcanic · 29.6 nm
- Discoloured water observed in vicinity of 24-48.8N 141-19.2E at 130800Z julVolcanic · 32.7 nm
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junVolcanic · 71 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.