Other

Underwater ordnance detonations 310001Z to 310900Z jan within 90 miles of 16-30N 139-47E

HYDROPAC 178/04

issued
2004-01-29 08:40Z
status
cancelled 2004-01-29 08:45Z (archive)
self-cancels
2004-01-31 10:00Z
authority
EODMU FIVE 140621Z JAN 04
position
16.500, 139.783 · r 90.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 310001Z TO 310900Z JAN
   WITHIN 90 MILES OF 16-30N 139-47E.
2. CANCEL THIS MSG 311000Z JAN.

This area · other warnings

4 within 180 nm since 2004 · 0 in the last 12 months · 0 in force now

04
05
10
15
20
21

Season · when other warnings happen here

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

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

68 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.