Volcanic
Volcanic activity reported in area within 0.9 mile of 27-14.6N 140-52.7E at 200730Z apr
Western North Pacific · Japan · Nampo Shoto · HYDROPAC 1391/17
- issued
- 2017-04-20 08:51Z
- status
- cancelled 2018-06-20 09:34Z (archive)
- cancels
- HYDROPAC 1389/17
- authority
- NAVAREA XI 261/17 200843Z APR 17.
- sea
- Philippine Sea
- position
- 27.243, 140.878 · r 0.9 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. JAPAN. NAMPO SHOTO. DNC 12. CHART 97000. 1. VOLCANIC ACTIVITY REPORTED IN AREA WITHIN 0.9 MILE OF 27-14.6N 140-52.7E AT 200730Z APR. 2. CANCEL HYDROPAC 1389/17.
This area · volcanic activity
48 within 180 nm since 1996 · 1 in the last 12 months · 6 in force now
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- 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
- Discolored water reported in vicinity 25-27.10N 141-14.50E at 110433Z may2023-05-12
- Discolored water reported in 26-07.40N 141-06.40E on 19 aug2022-08-19
Season · when volcanic activity happen here
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month of issue, all years in the archive
Timeline
- Volcanic activity reported in 27-14.6N 140-52.7E at 200525Z aprcancels · 2017-04-20
- Volcanic activity reported in 27-14.6N 140-52.7E at 200525Z aprreplaced · 2017-04-20
- Cancel HYDROPAC 1391/17 and this msgcancelled by · 2018-06-20
Nearby now · within 120 nm
- 180500UTC issued at 180500UTC dec 2020 volcanic warning volcano name:nishino shima LOCATION:27-14.6N…Volcanic · 0 nm
- Discoloured water observedVolcanic · 2.5 nm
- Discoloured water observed in extending south for 5 miles, 2 mile wide, from 27-16.7N 140-56.6E at 120643Z octVolcanic · 4.1 nm
- Chichi shima, futami ko NR.3 light buoy, 27-04.9N 142-11.2E, L.LNav aids · 70.6 nm
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junVolcanic · 109.3 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.