Sea Ledger, March 2010

2010-03-01 to 2010-03-31 · archive

issued: 387
warning-days in force: 7,650
in force at month end: 238
sea × type cells: 179

baseline: same month, previous 5 years (2009-03, 2008-03, 2007-03, 2006-03, 2005-03)

By type

type	issued	warning-days	in force at end
Cable ops	70	1,208	38
Exercises	65	602.2	13
Quakes	54	222.5	2
Incidents	45	717.2	20
Nav aids	42	1,282.5	42
Piracy	37	302	20
Missiles	17	183.5	5
Derelicts	14	50.6	0
Surveys	14	2,099.1	67
Other	7	277.8	7
Debris	6	49	1
Ordnance	5	146.3	8
Icebergs	4	12	0
Containers	4	9.3	1
Spills	2	48.4	1
Wrecks	1	408.3	12
Volcanic	0	31	1

By sea and type · 179 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Quakes · South Pacific Oceansurge	31	150.3	0	—	3.4× / 9.2
Cable ops · South Atlantic Oceanlong running	29	283.1	9	508	1.2× / 23.4
Piracy · Indian Oceansurge	27	209.8	11	27	135× / 0.2
Incidents · North Pacific Oceansurge	17	185.6	8	60	2.7× / 6.4
Exercises · North Pacific Ocean	15	58.2	1	35	1.8× / 8.4
Nav aids · South Atlantic Oceansurgelong running	9	322.8	10	862	4.5× / 2
Nav aids · North Sealong running	9	231.8	8	384	1.8× / 5
Exercises · Arabian Seasurge	8	51.2	0	—	2.4× / 3.4
Cable ops · North Atlantic Oceansurge	8	38.3	1	31	2.2× / 3.6
Missiles · North Pacific Ocean	7	74.4	2	31	1.4× / 5.2
Incidents · South Pacific Ocean	6	59.4	3	29	1.0× / 6.2
Exercises · Japan Sea	6	50	1	34	1.6× / 3.8
Missiles · North Atlantic Oceannew	6	43.1	3	33	new / 0
Incidents · North Atlantic Ocean	5	191	3	67	1.5× / 3.4
Incidents · South Atlantic Ocean	5	85.1	2	68	1.2× / 4.2
Exercises · Yellow Sea	5	42.6	1	34	1.1× / 4.6
Exercises · Bay of Bengal	5	41.9	1	26	0.7× / 7.6
Piracy · Arabian Seasurge	5	32.5	4	10	25× / 0.2
Quakes · North Pacific Ocean	5	17.3	0	—	1.2× / 4.2
Surveys · South Atlantic Oceansurge	4	76.5	2	265	2.2× / 1.8
Cable ops · Mediterranean Sea - Eastern Basin	4	71.8	4	27	1.3× / 3.2
Nav aids · Coral Sealong running	4	71.3	3	757	1.8× / 2.2
Cable ops · Bay of Bengal	4	66.2	3	43	1.4× / 2.8
Missiles · Bay of Bengalnew	4	46.8	0	—	new / 0
Exercises · North Atlantic Ocean	4	36.3	2	61	0.5× / 7.6
Exercises · Laccadive Sea	4	34.9	0	—	0.6× / 6.8
Exercises · South Atlantic Ocean	4	32.8	0	—	0.7× / 5.4
Piracy · Gulf of Adennew	4	20.9	3	28	new / 0
Derelicts · Indian Oceansurge	4	10.6	0	—	2.5× / 1.6
Nav aids · Irish Sea and St. George's Channellong running	3	191.6	6	528	1.1× / 2.6
Cable ops · Gulf of Mexicosurge	3	158.6	5	152	15× / 0.2
Nav aids · English Channel	3	104.5	2	349	1.4× / 2.2
Cable ops · Arabian Sea	3	67.3	1	55	1.5× / 2
Cable ops · South China Sea	3	61.7	3	56	1.7× / 1.8
Cable ops · Gulf of Suezsurge	3	50.9	1	41	5.0× / 0.6
Exercises · Philippine Sea	3	46	1	35	1.7× / 1.8
Cable ops · Eastern China Seasurge	3	23.2	1	25	3.0× / 1
Exercises · Baltic Sea	3	21.3	1	34	1.9× / 1.6
Derelicts · South Atlantic Ocean	3	19	0	—	1.3× / 2.4
Quakes · Philippine Sea	3	10.8	0	—	0.9× / 3.4
Quakes · Indian Ocean	3	9	0	—	0.4× / 7.4
Nav aids · Inner Seas off the West Coast of Scotland	3	2.4	0	—	0.7× / 4.2
Cable ops · South Pacific Ocean	2	92	3	85	3.3× / 0.6
Nav aids · North Atlantic Oceanlong running	2	65.9	3	396	1.1× / 1.8
Ordnance · Gulf of Adenlong running	2	63.5	3	380	10× / 0.2
Exercises · South China Sea	2	43	1	35	10× / 0.2
Nav aids · Malacca Strait	2	39.4	2	89	5.0× / 0.4
Cable ops · Tasman Sea	2	32.7	1	29	3.3× / 0.6
Other · North Pacific Ocean	2	30	0	—	5.0× / 0.4
Incidents · Philippine Sea	2	28.7	1	28	0.4× / 4.8
Surveys · Arabian Sea	2	22.5	1	22	3.3× / 0.6
Exercises · Sea of Okhotsknew	2	18	0	—	new / 0
Cable ops · Red Sea	2	12	0	—	10× / 0.2
Other · Celtic Seanew	2	10.6	0	—	new / 0
Nav aids · Gulf of Alaska	2	7.7	0	—	1.4× / 1.4
Incidents · Coral Sea	2	7	1	7	0.5× / 3.8
Quakes · Coral Sea	2	6	0	—	0.9× / 2.2
Icebergs · Labrador Sea	2	6	0	—	2.5× / 0.8
Quakes · South Atlantic Ocean	2	6	0	—	2.0× / 1
Quakes · South China Sea	2	6	0	—	3.3× / 0.6
Derelicts · Timor Seanew	2	6	0	—	new / 0
Nav aids · North Pacific Ocean	2	5.7	0	—	2.0× / 1
Containers · Caribbean Seanew	2	4.8	0	—	new / 0
Incidents · Indian Ocean	2	4.6	0	—	0.6× / 3.4
Derelicts · North Pacific Ocean	2	2.9	0	—	3.3× / 0.6
Surveys · Irish Sea and St. George's Channel	1	62.5	2	142	5.0× / 0.2
Incidents · Caribbean Sea	1	55.3	0	—	2.5× / 0.4
Surveys · North Pacific Ocean	1	47.5	2	84	5.0× / 0.2
Ordnance · Mediterranean Sea - Eastern Basin	1	34.7	2	31	new / 0
Incidents · Gulf of Mexico	1	33.6	1	73	new / 0
Cable ops · Mozambique Channel	1	31	1	35	new / 0
Incidents · Arabian Sea	1	29.3	1	29	2.5× / 0.4
Cable ops · Indian Ocean	1	28.4	1	32	1.0× / 1
Surveys · North Sea	1	28.3	1	28	1.7× / 0.6
Cable ops · Laccadive Sea	1	28.1	1	49	1.3× / 0.8
Ordnance · English Channel	1	15.2	1	15	5.0× / 0.2
Spills · North Atlantic Ocean	1	15	0	—	0.4× / 2.8
Spills · Philippine Sea	1	14	1	14	new / 0
Surveys · Andaman or Burma Sea	1	13.9	0	—	new / 0
Nav aids · Tasman Sea	1	13.3	1	13	2.5× / 0.4
Incidents · South China Sea	1	12.3	0	—	0.4× / 2.6
Incidents · Ionian Sea	1	11.8	0	—	2.5× / 0.4
Wrecks · North Pacific Ocean	1	11.5	0	—	5.0× / 0.2
Surveys · Sea of Marmara	1	9.4	1	9	2.5× / 0.4
Surveys · Indian Ocean	1	8.9	0	—	5.0× / 0.2
Piracy · South China Sea	1	7.8	1	7	5.0× / 0.2
Exercises · Andaman or Burma Sea	1	5.2	0	—	0.8× / 1.2
Nav aids · Great Australian Bight	1	4.7	0	—	1.3× / 0.8
Surveys · South China Sea	1	4.2	0	—	new / 0
Cable ops · North Sea	1	4	0	—	0.5× / 2
Quakes · Banda Sea	1	3	0	—	0.7× / 1.4
Quakes · Caribbean Sea	1	3	0	—	5.0× / 0.2
Debris · Celebes Sea	1	3	0	—	new / 0
Quakes · Ceram Sea	1	3	0	—	new / 0
Debris · Gulf of Mexico	1	3	0	—	new / 0
Derelicts · Gulf of Mexico	1	3	0	—	new / 0
Other · Gulf of Mexico	1	3	0	—	5.0× / 0.2
Other · Labrador Sea	1	3	0	—	new / 0
Debris · North Atlantic Ocean	1	3	0	—	1.3× / 0.8
Debris · North Pacific Ocean	1	3	0	—	2.5× / 0.4
Debris · South Atlantic Ocean	1	3	0	—	2.5× / 0.4
Icebergs · South Atlantic Ocean	1	3	0	—	0.2× / 4.4
Containers · South Pacific Ocean	1	3	0	—	new / 0
Derelicts · South Pacific Ocean	1	3	0	—	1.7× / 0.6
Icebergs · Southern Ocean	1	3	0	—	0.4× / 2.4
Quakes · Tasman Sea	1	3	0	—	new / 0
Debris · Timor Sea	1	3	0	—	new / 0
Incidents · Gulf of Aden	1	2.7	0	—	5.0× / 0.2
Surveys · Philippine Sea	1	2.7	1	2	new / 0
Exercises · North Sea	1	2.6	0	—	new / 0
Exercises · Mediterranean Sea - Eastern Basin	1	2.5	0	—	0.3× / 3.4
Derelicts · North Atlantic Ocean	1	2.2	0	—	1.3× / 0.8
Quakes · Japan Sea	1	2	1	1	1.7× / 0.6
Ordnance · Arabian Sea	1	1.9	1	1	new / 0
Other · North Sea	1	1.8	0	—	1.0× / 1
Containers · North Atlantic Ocean	1	1.5	1	1	0.6× / 1.8
Quakes · Bay of Bengal	1	1.3	1	1	new / 0
Exercises · South Pacific Ocean	1	0.6	1	0	0.4× / 2.6
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	1	0.3	0	—	0.4× / 2.8
Surveys · Beaufort Sealong running	0	713	23	2,274	— / 0
Surveys · Arctic Oceanlong running	0	465	15	2,274	— / 0
Surveys · Baffin Baylong running	0	155	5	2,372	— / 0
Surveys · The Northwestern Passageslong running	0	155	5	1,257	— / 0
Exercises · Aegean Sea	0	93	3	91	0.0× / 3.6
Surveys · Laptev Sealong running	0	93	3	1,408	— / 0
Other · Mediterranean Sea - Eastern Basin	0	93	3	219	0.0× / 1.8
Wrecks · South China Sealong running	0	93	3	980	— / 0
Nav aids · South Pacific Ocean	0	93	3	76	0.0× / 2.8
Wrecks · The Northwestern Passageslong running	0	93	3	571	— / 0
Wrecks · North Atlantic Oceanlong running	0	62	2	673	— / 0
Surveys · Gulf of Guinea	0	59.3	1	88	0.0× / 0.2
Wrecks · Arabian Sea	0	50.4	1	108	— / 0
Other · Adriatic Sea	0	31	1	111	0.0× / 0.2
Nav aids · Arabian Sea	0	31	1	105	0.0× / 1.2
Debris · Arctic Oceanlong running	0	31	1	1,926	— / 0
Other · Arctic Oceanlong running	0	31	1	939	— / 0
Surveys · Bering Sealong running	0	31	1	531	— / 0
Nav aids · Celtic Sea	0	31	1	121	0.0× / 2.4
Wrecks · Celtic Sea	0	31	1	50	— / 0
Cable ops · Ceram Sea	0	31	1	119	— / 0
Surveys · Chukchi Sealong running	0	31	1	1,807	— / 0
Other · Coral Sealong running	0	31	1	496	0.0× / 0.2
Surveys · Greenland Sealong running	0	31	1	2,590	— / 0
Nav aids · Gulf of Suezlong running	0	31	1	453	0.0× / 1
Wrecks · Inner Seas off the West Coast of Scotland	0	31	1	166	— / 0
Surveys · Malacca Straitlong running	0	31	1	603	— / 0
Cable ops · Mediterranean Sea - Western Basin	0	31	1	57	0.0× / 1.4
Ordnance · North Sealong running	0	31	1	516	0.0× / 0.8
Piracy · Persian Gulflong running	0	31	1	812	— / 0
Wrecks · Persian Gulflong running	0	31	1	502	0.0× / 0.2
Volcanic · Philippine Sea	0	31	1	33	— / 0
Nav aids · Sea of Okhotsk	0	31	1	266	— / 0
Other · South China Sealong running	0	31	1	623	— / 0
Surveys · Tasman Sea	0	31	1	126	— / 0
Cable ops · Yellow Sea	0	31	1	81	— / 0
Cable ops · Java Sea	0	28.3	0	—	0.0× / 0.2
Exercises · Indian Ocean	0	19.2	0	—	0.0× / 0.6
Missiles · Indian Ocean	0	19.2	0	—	— / 0
Cable ops · Gulf of Guinea	0	16.3	0	—	0.0× / 0.4
Other · Bismarck Sea	0	12.4	0	—	— / 0
Spills · Caribbean Sea	0	12.4	0	—	0.0× / 0.8
Surveys · Timor Sea	0	12.4	0	—	— / 0
Cable ops · Singapore Strait	0	9	0	—	— / 0
Surveys · Sulu Sea	0	7	0	—	— / 0
Spills · The Coastal Waters of Southeast Alaska and British Columbia	0	7	0	—	0.0× / 0.6
Cable ops · Caribbean Sea	0	6.7	0	—	0.0× / 0.2
Wrecks · Bay of Bengal	0	5.4	0	—	— / 0
Incidents · Celtic Sea	0	5.4	0	—	— / 0
Incidents · Davis Strait	0	5.4	0	—	— / 0
Cable ops · Persian Gulf	0	5.4	0	—	0.0× / 0.8
Nav aids · Eastern China Sea	0	4.1	0	—	— / 0
Surveys · Caribbean Sea	0	4	0	—	— / 0
Surveys · Laccadive Sea	0	4	0	—	— / 0
Exercises · Caribbean Sea	0	2.9	0	—	0.0× / 0.4
Derelicts · Tasman Sea	0	2.4	0	—	0.0× / 0.4
Quakes · North Atlantic Ocean	0	1.8	0	—	0.0× / 1.4
Derelicts · Arabian Sea	0	1.5	0	—	0.0× / 0.2
Ordnance · Ionian Sea	0	0	0	—	— / 0
Cable ops · North Pacific Ocean	0	0	0	—	0.0× / 0.6

Cite: seahazards.com Sea Ledger, 2010-03, retrieved 2026-09-03

Not for navigation. Warning-days = days each warning was in force within the month, summed. Only warnings we display are counted; the ratio compares warnings issued with the mean of the reference months.