Volcanic
Volcanic activity reported in area within 400 meters of 24-45.44N 141-19.60E at 100428Z nov
Philippine Sea · Japan · HYDROPAC 3542/23
- issued
- 2023-11-10 10:03Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- authority
- NAVAREA XI 387/23 100901Z NOV 23.
- position
- 24.757, 141.327 · r 0.2 nm
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
PHILIPPINE SEA. JAPAN. DNC 12. VOLCANIC ACTIVITY REPORTED IN AREA WITHIN 400 METERS OF 24-45.44N 141-19.60E AT 100428Z NOV.
This area · volcanic activity
85 within 180 nm since 1996 · 1 in the last 12 months · 7 in force now
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25
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3E2025-09-02
- 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
- 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
Nearby now · within 120 nm
- Volcanic activity reported at io-to in vicinty of 24-45.00N 141-17.3EVolcanic · 2.1 nm
- Discoloured water observed in vicinity of 24-48.8N 141-19.2E at 130800Z julVolcanic · 3.4 nm
- Discoloured water observed in vicinity of 24-17.2N 141-28.8E at 140350Z junVolcanic · 29.5 nm
- Discoloured water observed in vicinity of 25-27.1N 141-14.5E at 140425Z junVolcanic · 41.9 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.