Volcanic

Nga chart 73201 (4TH ed)

Savu Sea · HYDROPAC 1466/07

What this record establishes

Archived notice · 2008-05-24 08:42Z

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) · NAVAREA XI 366/07 230715Z AUG 07.. Issued 2007-08-23 09:23Z. 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: Savu Sea. The parsed report position is -8.547, 123.555. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Savu Sea →

issued: 2007-08-23 09:23Z
status: Archived notice
authority: NAVAREA XI 366/07 230715Z AUG 07.
NAVAREA: NAVAREA XI · named as the source of this relay
sea: Savu Sea
position: -8.547, 123.555
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 73201 (4TH ED).
VOLCANIC ACTIVITY REPORTED IN 08-32.8S 123-33.3E
AT 221100Z AUG.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
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.
Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · volcanic activity

2 within 180 nm since 2007 · 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.

Volcanic activity reported in 07-48S 123-36E at 012000Z apr2007-04-02

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

12 volcanic activity listed in force · see all

Record snapshot 2026-10-01 11:18Z; 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.