Navigational warnings on 2011-03-12

UTC day · today

issued
31
cancelled
50
in force at end
418
of these still in force
0

What this reporting period contains

31 messages have issue dates in this period, and 50 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Quakes accounts for 21 of 31 recorded messages (68%), the largest category group in this selection.

USGS earthquakes accounts for 20 of 31 recorded messages (65%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Quakes21
Incidents2
Other2
Piracy2
Structures1
Nav aids1
Missiles1
Exercises1

Issued · by sea

North Pacific Ocean17
Indian Ocean3
Arabian Sea2
South Pacific Ocean1
Inner Seas off the West Coast of Scotland1
Gulf of California1
English Channel1
Bismarck Sea1

USGS earthquakes 20 · HYDROPAC 8 · HYDROLANT 2 · NAVAREA IV 1

Issued · 31

Cancelled · 50

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2011-03-12 · seahazards