Quakes

Tsunami warning

Coral Sea · HYDROPAC 2908/10

What this record establishes

Archived notice · 2010-12-26 04:10Z

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) · PTWC 251428Z DEC 10.. Issued 2010-12-25 14:53Z. 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
Coral Sea. The parsed report position is -17.800, 168.300. 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

These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROPAC 2908/10 · this notice2010-12-25 · Archived notice
  2. HYDROPAC 2915/102010-12-26 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the Coral Sea →

issued
2010-12-25 14:53Z
status
Archived notice
authority
PTWC 251428Z DEC 10.
issued by
PTWC
sea
Coral Sea
position
-17.800, 168.300
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN PACIFIC COASTAL AREAS.
TSUNAMI WARNING.
AN EARTHQUAKE OCCURRED AT 251317Z DEC. PRELIMINARY MAG 7.6,
PRELIMINARY LOCATION 17-48S 168-18E VICINITY OF VANUATU.
A TSUNAMI HAS BEEN GENERATED WHICH COULD CAUSE DAMAGE TO
COASTS AND ISLANDS IN THE PACIFIC AREA. TSUNAMI WAVE HEIGHTS
CANNOT BE PREDICTED AND MAY BE A SERIES OF WAVES WHICH COULD
BE DANGEROUS FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL.

Reading this warning

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.
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.

All warning terms →

Collected reports in this area · earthquake & tsunami bulletins

335 within 180 nm since 1997 · 8 in the last 12 months · 0 listed in force now

97
00
05
10
15
20
25
26

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

J
F
M
A
M
J
J
A
S
O
N
D

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

3 earthquake & tsunami bulletins listed in force · see all

Record snapshot 2026-10-03 04:22Z; source collection times vary.

Quakes

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →

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.