Sea Ledger, January 2010

2010-01-01 to 2010-01-31 · archive

issued: 369
warning-days in force: 7,259
in force at month end: 240
sea × type cells: 180

baseline: same month, previous 5 years (2009-01, 2008-01, 2007-01, 2006-01, 2005-01)

By type

type	issued	warning-days	in force at end
Incidents	65	724	29
Nav aids	63	1,327.6	45
Exercises	55	499.8	16
Quakes	54	167	4
Cable ops	44	970.4	32
Piracy	21	209.5	6
Missiles	11	121	3
Derelicts	9	22.3	1
Spills	9	123.1	4
Other	8	410	12
Surveys	8	2,030.4	64
Icebergs	8	23.9	0
Ordnance	5	126.1	6
Containers	3	6.3	1
Wrecks	3	405.5	13
Debris	2	34.6	2
Towing	1	26.7	1
Volcanic	0	31	1

By sea and type · 180 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceanlong running	21	193.8	5	449	1.0× / 21.2
Incidents · North Atlantic Oceansurge	19	204.6	9	72	5.6× / 3.4
Nav aids · South Atlantic Oceansurgelong running	18	468.5	16	803	5.0× / 3.6
Incidents · North Pacific Oceansurge	15	156.4	7	70	2.0× / 7.4
Nav aids · North Sea	11	166.4	6	325	1.1× / 9.6
Quakes · Solomon Seasurge	11	33	0	—	14× / 0.8
Exercises · North Pacific Oceansurge	10	70	3	35	2.1× / 4.8
Nav aids · North Pacific Oceansurge	10	9.5	1	29	3.9× / 2.6
Piracy · Indian Oceannew	9	46.6	2	34	new / 0
Quakes · Caribbean Seanew	9	27	0	—	new / 0
Icebergs · South Atlantic Ocean	8	23.9	0	—	0.8× / 9.4
Quakes · North Pacific Ocean	8	22.6	2	21	1.2× / 6.8
Missiles · North Pacific Ocean	7	69.6	2	35	1.1× / 6.2
Quakes · South Pacific Ocean	7	25.9	2	31	0.6× / 12
Incidents · South Atlantic Oceansurge	7	19.7	1	18	3.2× / 2.2
Exercises · Bay of Bengal	6	70.9	1	46	1.0× / 6
Exercises · Laccadive Sea	6	38.5	2	32	0.6× / 10
Incidents · South China Sea	5	81.3	2	62	1.9× / 2.6
Piracy · Gulf of Adennew	5	68.3	1	34	new / 0
Exercises · Arabian Sea	5	37.6	1	31	1.3× / 3.8
Piracy · Arabian Seanew	5	33.7	2	32	new / 0
Exercises · South Atlantic Ocean	5	28.6	0	—	1.1× / 4.6
Nav aids · Gulf of Mexicosurge	5	9	0	—	6.3× / 0.8
Cable ops · Gulf of Guineasurge	4	53.5	4	21	20× / 0.2
Spills · North Atlantic Ocean	4	47	2	30	1.1× / 3.8
Exercises · Japan Sea	4	37.9	1	32	1.7× / 2.4
Exercises · Yellow Sea	4	37.9	1	32	1.3× / 3.2
Quakes · South Atlantic Oceansurge	4	12	0	—	2.0× / 2
Nav aids · Irish Sea and St. George's Channellong running	3	117	6	469	0.9× / 3.2
Nav aids · English Channel	3	97.5	3	290	0.7× / 4.2
Incidents · Gulf of Mexicosurge	3	64.8	2	69	15× / 0.2
Cable ops · Bay of Bengal	3	52.6	2	32	1.4× / 2.2
Spills · Gulf of Mexico	3	37	1	29	0.6× / 5
Incidents · Caribbean Seanew	3	33.9	2	74	new / 0
Quakes · Philippine Seasurge	3	10.5	0	—	3.0× / 1
Exercises · Mediterranean Sea - Eastern Basinsurge	3	9.8	0	—	3.8× / 0.8
Quakes · Coral Seasurge	3	9	0	—	5.0× / 0.6
Derelicts · Indian Oceansurge	3	8	0	—	3.0× / 1
Exercises · North Atlantic Ocean	3	6.6	1	121	0.8× / 3.8
Ordnance · Gulf of Adennew	2	62.2	3	321	new / 0
Cable ops · South Pacific Ocean	2	58.6	1	77	3.3× / 0.6
Incidents · Indian Ocean	2	53.4	2	61	0.3× / 6.2
Cable ops · Arabian Sea	2	49.2	2	47	0.7× / 3
Exercises · Philippine Sea	2	36.4	1	35	2.0× / 1
Nav aids · Celtic Sea	2	32.3	1	62	0.7× / 3
Nav aids · South Pacific Ocean	2	31.9	2	17	1.1× / 1.8
Missiles · Bay of Bengalnew	2	28.1	0	—	new / 0
Incidents · South Pacific Ocean	2	24.6	1	83	0.2× / 11.8
Other · Davis Straitnew	2	8.5	0	—	new / 0
Incidents · Philippine Sea	2	7.4	0	—	0.3× / 7
Exercises · Gulf of Mexico	2	6.8	1	17	3.3× / 0.6
Cable ops · North Pacific Ocean	2	6.7	2	3	5.0× / 0.4
Quakes · Bismarck Sea	2	6	0	—	2.0× / 1
Quakes · Eastern China Seanew	2	6	0	—	new / 0
Containers · North Pacific Ocean	2	4.1	0	—	3.3× / 0.6
Derelicts · Caribbean Seanew	2	3.5	0	—	new / 0
Nav aids · Gulf of Alaska	2	1.3	0	—	1.7× / 1.2
Surveys · Indian Ocean	2	1	0	—	3.3× / 0.6
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	2	0.7	0	—	1.7× / 1.2
Cable ops · Gulf of Mexico	1	165	5	103	1.3× / 0.8
Other · Mediterranean Sea - Eastern Basinlong running	1	93.4	3	480	1.3× / 0.8
Nav aids · North Atlantic Ocean	1	93	3	337	0.3× / 3.2
Wrecks · South China Sealong running	1	86.9	3	921	5.0× / 0.2
Surveys · South Atlantic Ocean	1	67.9	2	206	0.8× / 1.2
Cable ops · Mediterranean Sea - Eastern Basin	1	47.4	1	130	0.3× / 3.6
Cable ops · Mediterranean Sea - Western Basin	1	46	1	153	new / 0
Ordnance · North Sealong running	1	39.7	1	457	5.0× / 0.2
Cable ops · Ceram Sea	1	36.6	2	60	new / 0
Other · Coral Sealong running	1	33.8	1	437	5.0× / 0.2
Cable ops · Singapore Strait	1	31.5	1	34	5.0× / 0.2
Nav aids · Malacca Strait	1	30.8	1	30	new / 0
Other · North Atlantic Ocean	1	30.8	1	30	1.7× / 0.6
Surveys · Gulf of Guinea	1	30	1	29	2.5× / 0.4
Cable ops · Malacca Strait	1	28.9	1	28	new / 0
Towing · Laccadive Sea	1	26.7	1	26	new / 0
Surveys · North Pacific Ocean	1	25	1	25	new / 0
Ordnance · Mediterranean Sea - Eastern Basin	1	23.5	1	23	new / 0
Incidents · Sea of Okhotsk	1	22.9	1	22	5.0× / 0.2
Cable ops · Yellow Sea	1	22.7	1	22	5.0× / 0.2
Piracy · South China Sea	1	21.5	0	—	new / 0
Cable ops · Halmahera Sea	1	20.4	1	20	new / 0
Incidents · Baffin Bay	1	19.3	1	19	new / 0
Spills · Caribbean Sea	1	18.1	1	18	5.0× / 0.2
Missiles · Arabian Sea	1	17.5	1	17	new / 0
Surveys · Arabian Sea	1	15.9	0	—	1.3× / 0.8
Incidents · Bay of Bengal	1	15.7	0	—	2.5× / 0.4
Spills · Bering Sea	1	14	0	—	new / 0
Surveys · North Sea	1	13.3	0	—	new / 0
Cable ops · Aegean Sea	1	11.9	0	—	5.0× / 0.2
Incidents · Tasman Sea	1	9.7	0	—	0.4× / 2.8
Exercises · Celtic Sea	1	8.5	0	—	new / 0
Wrecks · Arafura Sea	1	8.1	0	—	new / 0
Cable ops · Indian Ocean	1	6.9	0	—	1.3× / 0.8
Exercises · Baltic Sea	1	6.2	0	—	1.7× / 0.6
Missiles · Laccadive Sea	1	5.8	0	—	new / 0
Piracy · North Pacific Ocean	1	5.2	0	—	new / 0
Incidents · Arabian Sea	1	4.7	1	4	0.6× / 1.8
Exercises · South China Sea	1	4.6	1	4	5.0× / 0.2
Surveys · Bay of Bengal	1	3.9	0	—	new / 0
Other · English Channel	1	3.4	0	—	1.7× / 0.6
Quakes · Arafura Sea	1	3	0	—	new / 0
Quakes · Banda Sea	1	3	0	—	0.5× / 2
Quakes · Bering Sea	1	3	0	—	5.0× / 0.2
Other · Caribbean Sea	1	3	0	—	5.0× / 0.2
Quakes · Ionian Sea	1	3	0	—	5.0× / 0.2
Debris · Mediterranean Sea - Eastern Basin	1	3	0	—	new / 0
Derelicts · Mediterranean Sea - Western Basin	1	3	0	—	5.0× / 0.2
Derelicts · North Pacific Ocean	1	3	0	—	1.7× / 0.6
Quakes · Tasman Sea	1	3	0	—	5.0× / 0.2
Other · Philippine Sea	1	2.9	0	—	new / 0
Exercises · Coral Sea	1	2.6	0	—	new / 0
Incidents · Solomon Sea	1	2.5	0	—	5.0× / 0.2
Incidents · Mediterranean Sea - Eastern Basin	1	2.3	0	—	0.4× / 2.4
Containers · North Atlantic Ocean	1	2.2	1	2	0.3× / 3.8
Exercises · Indian Ocean	1	2	0	—	1.7× / 0.6
Nav aids · Inner Seas off the West Coast of Scotland	1	1.5	0	—	0.2× / 5.6
Nav aids · Indian Ocean	1	0.8	0	—	0.5× / 2
Derelicts · Arafura Sea	1	0.7	0	—	2.5× / 0.4
Ordnance · Ionian Sea	1	0.7	1	0	new / 0
Debris · Coral Sea	1	0.6	1	0	new / 0
Derelicts · Ionian Sea	1	0.6	1	0	new / 0
Wrecks · Caribbean Sea	1	0.5	0	—	5.0× / 0.2
Nav aids · Gulf of California	1	0.2	1	0	new / 0
Surveys · Beaufort Sealong running	0	713	23	2,215	— / 0
Surveys · Arctic Oceanlong running	0	465	15	2,215	0.0× / 0.2
Surveys · Baffin Baylong running	0	155	5	2,313	— / 0
Surveys · The Northwestern Passageslong running	0	155	5	1,198	— / 0
Exercises · Aegean Sealong running	0	94.9	3	373	0.0× / 4.8
Surveys · Laptev Sealong running	0	93	3	1,349	— / 0
Wrecks · The Northwestern Passageslong running	0	93	3	512	— / 0
Nav aids · Gulf of Suezlong running	0	75.9	1	639	0.0× / 0.2
Wrecks · Arabian Sea	0	62	2	49	0.0× / 0.2
Nav aids · Coral Sealong running	0	62	2	698	0.0× / 0.8
Surveys · Irish Sea and St. George's Channel	0	62	2	83	— / 0
Wrecks · North Atlantic Oceanlong running	0	62	2	614	0.0× / 0.2
Nav aids · Sea of Okhotsk	0	46.4	1	207	0.0× / 0.2
Other · South Atlantic Ocean	0	35.1	1	342	0.0× / 0.8
Other · Indian Ocean	0	31.4	1	249	0.0× / 0.2
Other · Adriatic Sea	0	31	1	52	0.0× / 0.2
Nav aids · Arabian Sea	0	31	1	46	0.0× / 1.2
Debris · Arctic Oceanlong running	0	31	1	1,867	— / 0
Other · Arctic Oceanlong running	0	31	1	880	— / 0
Wrecks · Bay of Bengal	0	31	1	345	— / 0
Surveys · Bering Sealong running	0	31	1	472	— / 0
Other · Bismarck Sealong running	0	31	1	410	— / 0
Cable ops · Caribbean Sea	0	31	1	45	0.0× / 0.8
Surveys · Chukchi Sealong running	0	31	1	1,748	— / 0
Other · Great Australian Bight	0	31	1	42	0.0× / 0.2
Surveys · Greenland Sealong running	0	31	1	2,531	— / 0
Wrecks · Inner Seas off the West Coast of Scotland	0	31	1	107	— / 0
Cable ops · Java Sea	0	31	1	101	0.0× / 0.2
Surveys · Malacca Straitlong running	0	31	1	544	— / 0
Cable ops · Persian Gulf	0	31	1	139	0.0× / 0.4
Piracy · Persian Gulflong running	0	31	1	753	0.0× / 0.2
Wrecks · Persian Gulflong running	0	31	1	443	0.0× / 1.2
Volcanic · Philippine Sea	0	31	1	267	0.0× / 1
Other · South China Sealong running	0	31	1	564	0.0× / 0.2
Surveys · Sulu Sea	0	31	1	40	— / 0
Surveys · Tasman Sea	0	31	1	67	0.0× / 0.4
Surveys · Timor Sea	0	31	1	201	0.0× / 0.2
Nav aids · Mediterranean Sea - Western Basin	0	29.5	0	—	0.0× / 0.2
Nav aids · Red Sea	0	22.4	0	—	— / 0
Cable ops · North Atlantic Ocean	0	15.6	0	—	0.0× / 3
Cable ops · South China Sea	0	14	0	—	0.0× / 1.2
Cable ops · North Sea	0	13.6	0	—	0.0× / 0.6
Other · Bay of Bengal	0	12.7	0	—	0.0× / 0.2
Surveys · Gulf of Suez	0	8.4	0	—	0.0× / 0.4
Spills · Gulf of Alaska	0	5	0	—	0.0× / 0.4
Surveys · Mediterranean Sea - Eastern Basin	0	5	0	—	0.0× / 4.2
Derelicts · Laccadive Sea	0	3	0	—	— / 0
Cable ops · Gulf of Suez	0	2	0	—	0.0× / 0.8
Spills · The Coastal Waters of Southeast Alaska and British Columbia	0	2	0	—	0.0× / 0.2
Piracy · Gulf of Thailand	0	1.6	0	—	— / 0
Piracy · Singapore Strait	0	1.6	0	—	— / 0
Cable ops · English Channel	0	0.5	0	—	0.0× / 1.6
Incidents · Bay of Biscay	0	0.4	0	—	0.0× / 0.6
Derelicts · North Atlantic Ocean	0	0.4	0	—	0.0× / 0.8
Incidents · Timor Sea	0	0.4	0	—	— / 0
Derelicts · South Atlantic Ocean	0	0.1	0	—	0.0× / 1.4
Other · Gulf of Aden	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2010-01, 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.