Sea Ledger, January 2007

2007-01-01 to 2007-01-31 · archive

issued: 329
warning-days in force: 14,386
in force at month end: 472
sea × type cells: 250

baseline: same month, previous 5 years (2006-01, 2005-01, 2004-01, 2003-01, 2002-01)

By type

type	issued	warning-days	in force at end
Incidents	63	1,720.2	58
Exercises	61	672.3	21
Quakes	47	167.5	6
Cable ops	45	1,137.8	39
Nav aids	39	5,216.9	171
Other	14	939.2	30
Surveys	12	2,065.5	66
Derelicts	10	132.3	1
Icebergs	10	39.2	6
Missiles	7	81.2	3
Containers	7	43.6	2
Spills	6	115	3
Volcanic	2	124.3	4
Restricted	2	238.6	7
Wrecks	1	1,269.4	41
Piracy	1	80.4	3
Structures	1	140.5	5
Debris	1	46.8	1
Ordnance	0	93	3
Towing	0	31	1
Storms	0	31	1

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Incidents · South Pacific Oceansurge	17	162	7	60	2.6× / 6.6
Exercises · Laccadive Sea	15	79.2	2	32	1.5× / 10
Quakes · Molukka Seasurge	14	42	0	—	35× / 0.4
Incidents · Philippine Sea	10	223.8	10	77	1.7× / 5.8
Cable ops · South Atlantic Ocean	10	108.9	2	42	0.4× / 22.8
Exercises · Aegean Seasurgelong running	9	172.8	7	400	5.0× / 1.8
Nav aids · North Sea	8	242.9	8	104	0.8× / 9.8
Cable ops · North Atlantic Oceansurge	8	52.3	2	31	3.3× / 2.4
Exercises · South Atlantic Oceansurge	7	39.5	0	—	5.8× / 1.2
Nav aids · English Channellong running	6	163.6	7	472	1.9× / 3.2
Exercises · Bay of Bengal	6	85.4	1	35	1.1× / 5.4
Missiles · North Pacific Ocean	6	62	2	58	0.9× / 6.4
Icebergs · South Atlantic Ocean	6	29.3	2	25	0.9× / 6.6
Exercises · Arabian Sea	6	23.8	2	32	1.5× / 4
Quakes · South Pacific Ocean	6	18.8	1	31	0.5× / 13.2
Nav aids · Inner Seas off the West Coast of Scotland	5	154	5	237	1.2× / 4.2
Incidents · Tasman Seasurge	5	40.5	2	35	3.6× / 1.4
Quakes · North Pacific Ocean	5	14.7	1	32	0.7× / 7.2
Quakes · Indian Ocean	5	10.9	2	13	1.0× / 5.2
Incidents · North Atlantic Ocean	4	165.9	4	90	1.0× / 4
Quakes · South Atlantic Oceansurge	4	12	0	—	2.9× / 1.4
Icebergs · Southern Ocean	4	9.9	4	2	0.9× / 4.6
Nav aids · Arabian Seasurgelong running	3	462.7	15	387	3.8× / 0.8
Incidents · North Pacific Ocean	3	171.2	4	64	0.5× / 5.8
Incidents · Indian Ocean	3	109	3	62	0.6× / 5
Exercises · North Pacific Ocean	3	85.5	2	46	1.0× / 3
Cable ops · South China Seasurge	3	78.8	1	179	5.0× / 0.6
Incidents · Mediterranean Sea - Eastern Basin	3	58.8	3	38	0.9× / 3.2
Exercises · Yellow Seasurge	3	41.7	2	34	7.5× / 0.4
Derelicts · South Atlantic Oceansurge	3	40.8	1	58	3.8× / 0.8
Incidents · Arabian Seasurge	3	26.6	1	26	2.5× / 1.2
Cable ops · Caribbean Seasurge	3	20.2	1	19	7.5× / 0.4
Quakes · Banda Seasurge	3	9	0	—	3.0× / 1
Cable ops · English Channelsurge	3	4.8	0	—	3.8× / 0.8
Exercises · North Seanew	3	0.7	0	—	new / 0
Nav aids · Caribbean Sealong running	2	340.2	12	597	10× / 0.2
Nav aids · Coral Sealong running	2	315.7	11	941	0.8× / 2.4
Incidents · South China Sea	2	168.3	5	46	1.4× / 1.4
Cable ops · Bay of Bengal	2	123	5	71	1.7× / 1.2
Cable ops · Mediterranean Sea - Eastern Basin	2	109.6	3	51	0.8× / 2.4
Surveys · North Atlantic Ocean	2	67.1	3	301	1.4× / 1.4
Volcanic · Philippine Sea	2	62.3	2	119	5.0× / 0.4
Spills · Gulf of Mexico	2	53	1	39	0.7× / 2.8
Surveys · Sea of Marmara	2	50.2	1	236	10× / 0.2
Exercises · Ionian Sealong running	2	39	2	400	1.4× / 1.4
Surveys · South Atlantic Ocean	2	28.9	0	—	0.6× / 3.2
Spills · North Atlantic Ocean	2	24	1	29	0.7× / 3
Containers · Celtic Sea	2	17.8	0	—	3.3× / 0.6
Containers · English Channelnew	2	12.3	0	—	new / 0
Derelicts · English Channelnew	2	7.4	0	—	new / 0
Cable ops · Irish Sea and St. George's Channelnew	2	6.6	2	4	new / 0
Quakes · Philippine Sea	2	6	0	—	1.3× / 1.6
Surveys · English Channel	2	5.5	0	—	10× / 0.2
Cable ops · Celtic Sea	2	4.3	1	4	2.0× / 1
Exercises · North Atlantic Ocean	2	4.3	1	16	0.2× / 8.8
Quakes · Coral Sea	2	3.7	1	8	0.9× / 2.2
Other · Inner Seas off the West Coast of Scotland	2	2.3	0	—	1.3× / 1.6
Containers · North Pacific Ocean	2	2.2	2	1	10× / 0.2
Nav aids · Indian Ocean	1	226.6	7	261	0.8× / 1.2
Nav aids · North Pacific Oceanlong running	1	186.9	6	572	2.5× / 0.4
Nav aids · Laccadive Sealong running	1	186.6	6	392	1.3× / 0.8
Nav aids · Tyrrhenian Sealong running	1	137	5	804	0.4× / 2.4
Incidents · South Atlantic Ocean	1	127.8	4	49	0.3× / 3.2
Nav aids · North Atlantic Oceanlong running	1	125	4	379	0.2× / 4.2
Wrecks · South China Sealong running	1	122.4	4	832	new / 0
Incidents · Laccadive Sea	1	94.9	3	61	1.7× / 0.6
Other · South Atlantic Ocean	1	93.1	3	123	1.0× / 1
Cable ops · Black Sea	1	88	3	126	2.5× / 0.4
Incidents · Bay of Bengal	1	79.4	3	49	5.0× / 0.2
Nav aids · Persian Gulf	1	76.9	2	165	0.8× / 1.2
Nav aids · South Atlantic Ocean	1	72.9	3	88	0.3× / 3.4
Nav aids · Tasman Sea	1	72.6	3	354	0.8× / 1.2
Cable ops · Tasman Sealong running	1	71.4	3	367	2.5× / 0.4
Exercises · Japan Sea	1	67.8	1	36	1.0× / 1
Other · Arabian Sea	1	64.4	3	350	new / 0
Nav aids · Irish Sea and St. George's Channel	1	62.9	2	328	0.4× / 2.8
Nav aids · Great Australian Bight	1	62.1	2	223	1.7× / 0.6
Other · Bay of Bengal	1	60.2	2	93	new / 0
Surveys · Indian Ocean	1	53.4	2	119	1.3× / 0.8
Nav aids · Celtic Sea	1	49.3	2	131	0.3× / 3.8
Structures · Mediterranean Sea - Eastern Basin	1	47.5	2	223	5.0× / 0.2
Surveys · Mediterranean Sea - Eastern Basin	1	39.5	2	47	0.7× / 1.4
Cable ops · Gulf of Guinea	1	38.5	1	32	2.5× / 0.4
Other · Caribbean Sea	1	38	1	65	new / 0
Other · Gulf of Mexicolong running	1	37.6	1	436	new / 0
Spills · North Pacific Ocean	1	37	0	—	0.5× / 2
Cable ops · Laccadive Sea	1	36.6	2	48	2.5× / 0.4
Derelicts · North Atlantic Ocean	1	34.9	0	—	0.5× / 2
Quakes · Bay of Bengal	1	34	1	51	0.6× / 1.8
Incidents · Ligurian Sea	1	30.1	1	30	new / 0
Incidents · Bismarck Sea	1	24.7	1	24	5.0× / 0.2
Other · Adriatic Sea	1	20.3	1	20	5.0× / 0.2
Exercises · Tyrrhenian Sea	1	19.2	1	19	0.5× / 2
Missiles · Tyrrhenian Sea	1	19.2	1	19	new / 0
Cable ops · Red Sea	1	17.5	0	—	5.0× / 0.2
Nav aids · Bristol Channel	1	17.4	0	—	1.7× / 0.6
Other · Celtic Sea	1	16.9	0	—	5.0× / 0.2
Restricted · North Atlantic Ocean	1	16.1	0	—	5.0× / 0.2
Incidents · Sea of Okhotsk	1	15.9	0	—	2.5× / 0.4
Cable ops · Sea of Marmara	1	15.6	0	—	new / 0
Other · Malacca Strait	1	12.7	0	—	new / 0
Surveys · Mediterranean Sea - Western Basin	1	11.5	0	—	2.5× / 0.4
Cable ops · Gulf of Thailand	1	10.9	1	10	new / 0
Other · Tasman Sea	1	8.9	1	8	new / 0
Piracy · Malacca Strait	1	8.6	1	8	new / 0
Surveys · Bass Strait	1	8.4	0	—	new / 0
Cable ops · Singapore Strait	1	7.6	1	7	5.0× / 0.2
Derelicts · Tasman Sea	1	6.6	0	—	2.5× / 0.4
Containers · North Atlantic Ocean	1	6.3	0	—	0.3× / 3
Cable ops · Indian Ocean	1	6.1	1	6	5.0× / 0.2
Exercises · Andaman or Burma Sea	1	6	0	—	5.0× / 0.2
Debris · North Pacific Ocean	1	6	0	—	new / 0
Derelicts · Gulf of Mexico	1	5.9	0	—	new / 0
Derelicts · South Pacific Ocean	1	5.9	0	—	0.6× / 1.6
Exercises · South Pacific Ocean	1	5.9	0	—	0.7× / 1.4
Restricted · Tyrrhenian Sea	1	5.5	0	—	new / 0
Quakes · Arabian Sea	1	4.4	0	—	new / 0
Derelicts · Arabian Sea	1	4.3	0	—	5.0× / 0.2
Other · Laccadive Sea	1	4.1	0	—	new / 0
Nav aids · South China Sea	1	4.1	0	—	5.0× / 0.2
Cable ops · Gulf of Aden	1	3.9	1	3	new / 0
Incidents · Red Sea	1	3.5	1	3	new / 0
Incidents · Strait of Gibraltar	1	3.5	1	3	new / 0
Quakes · Bismarck Sea	1	3	0	—	0.6× / 1.6
Quakes · Gulf of Alaska	1	3	0	—	5.0× / 0.2
Quakes · Southern Ocean	1	3	0	—	1.7× / 0.6
Quakes · The Coastal Waters of Southeast Alaska and British Columbia	1	3	0	—	new / 0
Incidents · Coral Sea	1	2.5	1	2	0.3× / 3.4
Exercises · Indian Ocean	1	1.5	0	—	1.7× / 0.6
Spills · Caribbean Sea	1	1	1	1	new / 0
Incidents · Bass Strait	1	0.9	0	—	2.5× / 0.4
Other · North Sea	1	0.8	0	—	1.3× / 0.8
Other · Coral Sea	1	0.3	0	—	2.5× / 0.4
Incidents · Celtic Sea	1	0.2	0	—	1.7× / 0.6
Incidents · Bay of Biscay	1	0.1	0	—	1.7× / 0.6
Incidents · Arafura Sea	1	0	0	—	2.5× / 0.4
Surveys · Beaufort Sealong running	0	713	23	1,119	0.0× / 0.6
Nav aids · South Pacific Oceanlong running	0	620	20	391	0.0× / 2.6
Surveys · Arctic Oceanlong running	0	372	12	1,119	0.0× / 0.2
Nav aids · Bay of Bengallong running	0	310	10	597	0.0× / 1.8
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	186	6	947	0.0× / 1
Wrecks · North Sealong running	0	186	6	491	0.0× / 1
Nav aids · Mediterranean Sea - Western Basin	0	176.5	5	285	0.0× / 1
Surveys · Baffin Baylong running	0	155	5	1,217	0.0× / 0.4
Other · Persian Gulflong running	0	145.6	4	476	— / 0
Nav aids · Bering Sea	0	124	4	196	— / 0
Nav aids · Mediterranean Sea - Eastern Basinlong running	0	124	4	894	0.0× / 0.8
Nav aids · Mozambique Channellong running	0	124	4	659	— / 0
Nav aids · Andaman or Burma Sealong running	0	93	3	455	0.0× / 0.8
Nav aids · Arafura Sea	0	93	3	177	0.0× / 0.2
Nav aids · Gulf of Mexicolong running	0	93	3	660	0.0× / 1
Surveys · Laptev Sea	0	93	3	253	— / 0
Wrecks · Persian Gulflong running	0	93	3	388	0.0× / 0.8
Nav aids · Red Sea	0	93	3	78	0.0× / 0.2
Other · South Pacific Ocean	0	93	3	219	0.0× / 0.6
Nav aids · Sea of Okhotsk	0	77.4	2	225	— / 0
Nav aids · Bass Strait	0	62	2	135	0.0× / 1.2
Wrecks · Bay of Bengal	0	62	2	243	— / 0
Wrecks · Coral Sealong running	0	62	2	371	0.0× / 0.2
Incidents · Gulf of Guinea	0	62	2	103	— / 0
Nav aids · Gulf of Suez	0	62	2	48	— / 0
Surveys · North Sea	0	62	2	268	— / 0
Piracy · Persian Gulflong running	0	62	2	722	— / 0
Surveys · Persian Gulf	0	62	2	151	0.0× / 0.2
Other · South China Sea	0	62	2	231	0.0× / 0.6
Wrecks · Tasman Sea	0	62	2	257	— / 0
Surveys · The Northwestern Passages	0	62	2	102	— / 0
Ordnance · Tyrrhenian Sea	0	62	2	76	0.0× / 0.6
Wrecks · Tyrrhenian Sea	0	62	2	316	— / 0
Incidents · Mozambique Channel	0	33.6	0	—	0.0× / 0.8
Restricted · Alboran Sea	0	31	1	65	0.0× / 0.4
Cable ops · Andaman or Burma Sea	0	31	1	48	— / 0
Cable ops · Arabian Sea	0	31	1	48	0.0× / 2.8
Ordnance · Arabian Sealong running	0	31	1	389	0.0× / 1.4
Surveys · Arabian Sealong running	0	31	1	386	0.0× / 0.6
Wrecks · Arabian Sea	0	31	1	284	0.0× / 0.2
Debris · Arctic Oceanlong running	0	31	1	771	— / 0
Restricted · Bay of Bengal	0	31	1	288	0.0× / 0.2
Other · Black Sea	0	31	1	53	— / 0
Cable ops · Bristol Channel	0	31	1	51	0.0× / 0.4
Surveys · Caribbean Sea	0	31	1	86	— / 0
Wrecks · Caribbean Sea	0	31	1	93	0.0× / 0.2
Surveys · Chukchi Sealong running	0	31	1	652	— / 0
Other · Eastern China Sea	0	31	1	310	— / 0
Wrecks · Eastern China Sea	0	31	1	226	— / 0
Surveys · Greenland Sealong running	0	31	1	1,435	— / 0
Wrecks · Gulf of Guinea	0	31	1	110	— / 0
Cable ops · Gulf of Oman	0	31	1	72	— / 0
Other · Gulf of Suez	0	31	1	334	— / 0
Surveys · Gulf of Suez	0	31	1	197	0.0× / 0.2
Other · Gulf of Thailand	0	31	1	48	— / 0
Other · Indian Ocean	0	31	1	314	0.0× / 0.2
Restricted · Indian Oceanlong running	0	31	1	647	— / 0
Storms · Indian Ocean	0	31	1	39	— / 0
Wrecks · Indian Oceanlong running	0	31	1	786	— / 0
Nav aids · Ionian Sea	0	31	1	279	0.0× / 0.4
Other · Irish Sea and St. George's Channel	0	31	1	55	0.0× / 0.4
Wrecks · Irish Sea and St. George's Channellong running	0	31	1	874	0.0× / 0.6
Nav aids · Malacca Straitlong running	0	31	1	489	— / 0
Wrecks · Malacca Strait	0	31	1	309	0.0× / 0.2

Cite: seahazards.com Sea Ledger, 2007-01, 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.