Volcanic activity reported in 12-54S 045-43E
Mozambique Channel · HYDROPAC 3278/19
What this record establishes
Archived notice · 2022-03-18 13:56Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · AVURNAV LA REUNION 38/19 031532Z OCT 19.. Issued 2019-10-03 15:41Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Mozambique Channel. The parsed report position is -12.900, 45.717. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Volcanic activity reported in 12-54S 045-43Ecancelled by this notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 3072/192019-09-19 · Archived notice
- HYDROPAC 3278/19 · this notice2019-10-03 · Archived notice
Current notices and reporting history in the Mozambique Channel →
- issued
- 2019-10-03 15:41Z
- status
- Archived notice
- authority
- AVURNAV LA REUNION 38/19 031532Z OCT 19.
- issued by
- AVURNAV LA REUNION
- sea
- Mozambique Channel
- position
- -12.900, 45.717
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
MOZAMBIQUE CHANNEL. COMOROS (MAYOTTE). DNC 02. 1. VOLCANIC ACTIVITY REPORTED IN 12-54S 045-43E. 2. CANCEL HYDROPAC 3072/19.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Volcanic activity
- An erupting or restless volcano near or under the sea, with a keep-clear radius around it.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · volcanic activity
2 within 180 nm since 2019 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
Worldwide in the collected sources
12 volcanic activity listed in force · see all
Record snapshot 2026-10-02 19:56Z; source collection times vary.
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.