Volcanic
Cancel HYDROPAC 1304/14
Western North Pacific · Mariana Islands · HYDROPAC 1305/14
- issued
- 2014-05-06 01:08Z
- status
- cancelled 2014-05-29 23:01Z (archive)
- cancels
- HYDROPAC 1304/14
- authority
- TINA NEAL USGS 060101Z MAY 14.
- position
- 20.420, 145.030
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. CHART 81004 1. VOLCANIC ACTIVITY REPORTED IN 20-25.2N 145-01.8E. 2. CANCEL HYDROPAC 1304/14.
This area · volcanic activity
10 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now
99
00
05
10
15
20
25
26
- Discolored water with increased likelihood of submarine volcanic activity reported in vicinity 20-26.00N…2026-07-16
- Discoloured water reported in vicinity of 20-26.0N 145-01.0E at 160013Z jul2026-07-16
- Discolored water with increased likelihood of submarine volcanic activity reported in 20-25.00N 145-01.00E…2024-01-13
- Discolored water with submarine volcanic activity reported in 20-25.2N 145-01.8E at 012230Z jan2024-01-01
- Discolored water with submarine volcanic activity reported in 20-25.20N 145-01.80E at 270127Z jan2023-01-28
- Mariana Islands2014-05-05
Season · when volcanic activity happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Mariana Islandscancels · 2014-05-05
- Mariana Islandsreplaced · 2014-05-05
- Cancel HYDROPAC 1305/14 and this msgcancelled by · 2014-05-29
Nearby now · within 120 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.