Sea Ledger, January 2002

2002-01-01 to 2002-01-31 · archive

issued: 364
warning-days in force: 6,574
in force at month end: 218
sea × type cells: 188

baseline: same month, previous 5 years (2001-01, 2000-01, 1999-01, 1998-01, 1997-01)

By type

type	issued	warning-days	in force at end
Nav aids	66	2,303.8	78
Cable ops	49	696.2	21
Incidents	48	1,025	32
Quakes	44	125.8	4
Exercises	38	312.8	10
Other	24	503.6	18
Surveys	24	145.9	6
Ordnance	18	126.8	8
Derelicts	15	81.5	2
Missiles	12	63.2	2
Icebergs	8	42.2	2
Spills	5	59	1
Debris	4	27.8	1
Wrecks	3	852.2	26
Containers	3	16.9	1
Piracy	2	0.1	0
Restricted	1	5.1	0
War risk	0	62	2
Structures	0	62	2
Volcanic	0	62	2

By sea and type · 188 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	24	98.2	4	40	0.8× / 30.2
Quakes · South Pacific Ocean	13	37.1	1	33	1.1× / 11.4
Nav aids · North Seasurgelong running	12	178.8	6	497	2.7× / 4.4
Surveys · South Atlantic Oceansurge	12	33.9	2	31	12× / 1
Quakes · Coral Seasurge	10	30	0	—	5.0× / 2
Nav aids · North Atlantic Oceansurgelong running	8	82.1	3	523	2.7× / 3
Incidents · Indian Oceansurge	8	74.2	2	70	5.7× / 1.4
Icebergs · Southern Oceansurge	8	41.2	2	25	8.0× / 1
Nav aids · Celtic Seasurge	6	100.2	3	296	2.1× / 2.8
Missiles · North Pacific Oceansurge	6	62	2	35	2.0× / 3
Exercises · North Atlantic Ocean	6	25.7	3	21	1.9× / 3.2
Ordnance · Eastern China Seanew	6	22.7	3	19	new / 0
Nav aids · South Atlantic Oceanlong running	5	339.1	9	547	1.6× / 3.2
Nav aids · Coral Seasurgelong running	5	150.6	7	651	2.3× / 2.2
Incidents · North Pacific Ocean	5	149.2	3	75	1.1× / 4.4
Incidents · South Pacific Oceansurge	5	143.2	6	45	3.1× / 1.6
Other · South Atlantic Oceansurge	5	53.5	3	331	25× / 0.2
Exercises · Bay of Bengalsurge	5	40.5	0	—	5.0× / 1
Nav aids · Inner Seas off the West Coast of Scotlandsurgelong running	5	34.4	2	646	2.8× / 1.8
Derelicts · South Pacific Oceannew	5	24.6	2	20	new / 0
Surveys · Celtic Sea	5	22.6	0	—	0.6× / 7.8
Exercises · Arabian Seasurge	5	21	0	—	25× / 0.2
Quakes · North Pacific Ocean	5	15	0	—	0.6× / 8
Exercises · Ligurian Seasurge	5	14.9	0	—	5.0× / 1
Quakes · Bismarck Seasurge	5	13	1	21	8.3× / 0.6
Nav aids · South Pacific Oceansurgelong running	4	122.5	4	477	3.3× / 1.2
Incidents · Philippine Seasurge	4	92.8	3	65	3.3× / 1.2
Incidents · Mediterranean Sea - Eastern Basinsurge	4	86	3	60	6.7× / 0.6
Exercises · Tyrrhenian Seasurge	4	36.9	1	27	2.2× / 1.8
Incidents · Coral Seasurge	4	32.5	1	44	2.9× / 1.4
Cable ops · Tyrrhenian Seasurge	4	16.3	1	16	20× / 0.2
Quakes · Indian Ocean	4	12.6	0	—	1.3× / 3.2
Missiles · South Pacific Oceannew	4	0.6	0	—	new / 0
Nav aids · Tyrrhenian Sea	3	94.3	2	282	1.5× / 2
Cable ops · North Atlantic Ocean	3	44.4	2	35	0.8× / 4
Spills · Gulf of Mexico	3	44	0	—	0.8× / 3.6
Cable ops · Mediterranean Sea - Eastern Basinsurge	3	39.1	2	28	3.8× / 0.8
Incidents · South Atlantic Ocean	3	37.9	1	43	0.7× / 4.2
Exercises · North Pacific Ocean	3	13.9	2	10	0.8× / 4
Ordnance · Tyrrhenian Seasurge	3	12.2	0	—	5.0× / 0.6
Quakes · Philippine Sea	3	9	0	—	1.1× / 2.6
Other · North Pacific Oceansurge	3	7.5	0	—	3.0× / 1
Derelicts · Coral Seasurge	3	5.4	0	—	15× / 0.2
Ordnance · Arabian Seanew	3	3	0	—	new / 0
Incidents · South China Sea	2	103.3	4	47	0.9× / 2.2
Exercises · Aegean Sealong running	2	96.5	3	394	0.4× / 4.8
Other · Japan Sea	2	67.3	2	33	5.0× / 0.4
Cable ops · Caribbean Sea	2	62.5	3	92	2.0× / 1
Cable ops · South China Sea	2	51	1	108	2.5× / 0.8
Other · South China Sea	2	50.8	2	27	3.3× / 0.6
Ordnance · North Pacific Ocean	2	41.9	1	112	2.0× / 1
Incidents · Sea of Okhotsknew	2	39.3	2	22	new / 0
Surveys · Tyrrhenian Sea	2	17.2	0	—	2.5× / 0.8
Spills · North Atlantic Ocean	2	15	1	21	0.9× / 2.2
Incidents · Arabian Sea	2	13.1	1	29	5.0× / 0.4
Exercises · Mediterranean Sea - Eastern Basinnew	2	13	0	—	new / 0
Containers · North Atlantic Ocean	2	12.9	0	—	1.3× / 1.6
Derelicts · North Atlantic Ocean	2	12.2	0	—	2.5× / 0.8
Surveys · Indian Oceannew	2	11.9	2	9	new / 0
Other · South Pacific Ocean	2	10.8	1	14	3.3× / 0.6
Derelicts · Arafura Sea	2	9.2	0	—	5.0× / 0.4
Nav aids · Bay of Bengal	2	7.8	0	—	10× / 0.2
Cable ops · Celtic Sea	2	6.8	0	—	0.3× / 6
Nav aids · Gulf of Mexiconew	2	6.6	0	—	new / 0
Other · Coral Sea	2	5.5	1	25	5.0× / 0.4
Nav aids · Bass Strait	2	4.3	1	6	1.7× / 1.2
Exercises · Gulf of Mexico	2	3.3	0	—	10× / 0.2
Nav aids · Bristol Channelnew	2	2.3	1	15	new / 0
Missiles · North Atlantic Ocean	2	0.6	0	—	5.0× / 0.4
Incidents · Celtic Sea	2	0.2	0	—	2.5× / 0.8
Incidents · Bass Straitnew	2	0.1	0	—	new / 0
Piracy · Indian Oceannew	2	0.1	0	—	new / 0
Incidents · North Atlantic Ocean	1	152.4	4	67	0.3× / 3.8
Wrecks · English Channellong running	1	148.5	4	946	new / 0
Nav aids · English Channellong running	1	115.3	4	472	0.3× / 3.4
Nav aids · South China Sea	1	77.2	2	231	5.0× / 0.2
Cable ops · Persian Gulf	1	76.4	2	102	new / 0
Nav aids · Irish Sea and St. George's Channellong running	1	62.6	2	638	0.5× / 2
Cable ops · Java Sea	1	45.4	1	95	2.5× / 0.4
Other · North Sealong running	1	44.7	1	668	1.7× / 0.6
Nav aids · Mediterranean Sea - Western Basin	1	41.9	2	75	0.8× / 1.2
Cable ops · Eastern China Sea	1	40	0	—	2.5× / 0.4
Incidents · Adriatic Sea	1	38.4	1	54	1.0× / 1
Nav aids · Persian Gulf	1	38.1	2	58	0.8× / 1.2
Nav aids · Laccadive Sea	1	36	1	280	2.5× / 0.4
Other · Yellow Sea	1	36	1	33	5.0× / 0.2
Exercises · Malacca Strait	1	35.2	1	35	new / 0
Nav aids · Andaman or Burma Sealong running	1	34.3	2	366	2.5× / 0.4
Nav aids · Great Australian Bight	1	34.1	1	287	2.5× / 0.4
Nav aids · Timor Sealong running	1	33.9	2	737	5.0× / 0.2
Cable ops · Gulf of Mexico	1	32.5	1	208	new / 0
Other · Mediterranean Sea - Eastern Basin	1	31.4	1	43	new / 0
Other · Bass Strait	1	28.6	1	28	5.0× / 0.2
Cable ops · Gulf of Guinea	1	23.3	1	23	new / 0
Surveys · North Atlantic Ocean	1	19.1	0	—	1.7× / 0.6
Cable ops · Philippine Sea	1	15.5	1	15	new / 0
Nav aids · Mediterranean Sea - Eastern Basin	1	15.1	1	15	1.7× / 0.6
Derelicts · North Pacific Ocean	1	12.7	0	—	2.5× / 0.4
Exercises · Black Sea	1	10	0	—	5.0× / 0.2
Cable ops · Mediterranean Sea - Western Basin	1	8.5	1	8	new / 0
Surveys · Tasman Sea	1	8.1	1	8	new / 0
Ordnance · Persian Gulf	1	8	0	—	1.7× / 0.6
Derelicts · South Atlantic Ocean	1	6.8	0	—	5.0× / 0.2
Debris · Eastern China Sea	1	6.7	0	—	new / 0
Debris · Red Sea	1	6.6	0	—	new / 0
Derelicts · Arabian Sea	1	6.1	0	—	new / 0
Ordnance · Ligurian Sea	1	5.3	1	5	new / 0
Restricted · North Atlantic Ocean	1	5.1	0	—	new / 0
Wrecks · South Pacific Ocean	1	5	0	—	new / 0
Incidents · Mediterranean Sea - Western Basin	1	4.7	1	4	new / 0
Other · Mediterranean Sea - Western Basin	1	4.4	0	—	5.0× / 0.2
Containers · Tyrrhenian Sea	1	4	1	3	new / 0
Cable ops · Aegean Sea	1	3.7	0	—	5.0× / 0.2
Cable ops · Ionian Sea	1	3.5	0	—	2.5× / 0.4
Quakes · Aegean Sea	1	3	0	—	new / 0
Quakes · Java Sea	1	3	0	—	5.0× / 0.2
Debris · English Channel	1	2.7	0	—	new / 0
Ordnance · Yellow Sea	1	2.3	1	2	new / 0
Surveys · Solomon Sea	1	2.1	0	—	new / 0
Quakes · Gulf of Mexico	1	1.6	1	1	new / 0
Quakes · Solomon Sea	1	1.5	1	1	0.7× / 1.4
Debris · Ligurian Sea	1	1.3	1	1	1.7× / 0.6
Wrecks · Solomon Sea	1	1.2	0	—	new / 0
Exercises · Mediterranean Sea - Western Basin	1	1.1	0	—	0.4× / 2.4
Other · North Atlantic Ocean	1	0.9	0	—	2.5× / 0.4
Exercises · South Pacific Ocean	1	0.8	0	—	1.3× / 0.8
Other · Inner Seas off the West Coast of Scotland	1	0.5	0	—	new / 0
Ordnance · Indian Ocean	1	0.4	1	0	new / 0
Other · Ligurian Sea	1	0.4	1	0	new / 0
Incidents · Great Australian Bight	1	0.1	0	—	1.7× / 0.6
Incidents · Norwegian Sea	1	0.1	0	—	new / 0
Nav aids · Mozambique Channel	0	124	4	259	0.0× / 0.2
Nav aids · Singapore Strait	0	110.5	3	324	— / 0
Wrecks · North Sealong running	0	95.5	3	697	— / 0
Wrecks · South China Sealong running	0	95.5	3	674	0.0× / 0.2
Nav aids · Adriatic Sea	0	71.6	2	244	— / 0
Wrecks · Baltic Sealong running	0	62	2	398	— / 0
Wrecks · Coral Sea	0	62	2	360	— / 0
Nav aids · Gulf of Suez	0	62	2	154	— / 0
Nav aids · North Pacific Ocean	0	62	2	335	0.0× / 0.2
War risk · Persian Gulf	0	62	2	364	— / 0
Volcanic · Philippine Sea	0	62	2	132	— / 0
Wrecks · Tyrrhenian Sea	0	62	2	357	— / 0
Wrecks · Persian Gulf	0	41.5	1	224	0.0× / 0.2
Other · Adriatic Sealong running	0	31	1	637	— / 0
Surveys · Adriatic Sea	0	31	1	144	— / 0
Nav aids · Arabian Sea	0	31	1	203	0.0× / 0.2
Wrecks · Bay of Biscaylong running	0	31	1	439	— / 0
Nav aids · Bering Sea	0	31	1	182	— / 0
Nav aids · Caribbean Sea	0	31	1	245	0.0× / 0.4
Wrecks · Celtic Sea	0	31	1	76	— / 0
Nav aids · Eastern China Sealong running	0	31	1	465	— / 0
Other · Greenland Sealong running	0	31	1	526	— / 0
Wrecks · Irish Sea and St. George's Channellong running	0	31	1	577	0.0× / 0.2
Wrecks · Kattegat	0	31	1	346	— / 0
Wrecks · Malacca Strait	0	31	1	219	— / 0
Ordnance · Mediterranean Sea - Eastern Basin	0	31	1	99	— / 0
Structures · Mediterranean Sea - Eastern Basin	0	31	1	113	— / 0
Wrecks · North Pacific Ocean	0	31	1	112	— / 0
Other · Persian Gulf	0	31	1	127	0.0× / 0.2
Nav aids · Philippine Sea	0	31	1	231	— / 0
Wrecks · Red Sea	0	31	1	271	— / 0
Other · Rio de La Plata	0	31	1	133	— / 0
Wrecks · Sea of Okhotsk	0	31	1	122	— / 0
Cable ops · Singapore Strait	0	31	1	72	— / 0
Nav aids · Skagerrak	0	31	1	212	— / 0
Wrecks · Skagerraklong running	0	31	1	449	— / 0
Structures · South China Sea	0	31	1	82	— / 0
Nav aids · Sulu Sealong running	0	31	1	384	0.0× / 0.2
Nav aids · Tasman Sea	0	31	1	34	0.0× / 0.4
Cable ops · Bay of Bengal	0	30	0	—	— / 0
Cable ops · Arabian Sea	0	28.6	0	—	0.0× / 0.6
Incidents · Bay of Bengal	0	28	0	—	0.0× / 0.4
Incidents · Solomon Sea	0	24.5	0	—	— / 0
Cable ops · Tasman Sea	0	24.5	0	—	0.0× / 0.8
Other · Bering Sea	0	24.4	0	—	— / 0
Other · Tasman Sea	0	12.9	0	—	— / 0
Cable ops · North Sea	0	10.5	0	—	0.0× / 2.8
Debris · South Pacific Ocean	0	10.5	0	—	0.0× / 0.2
Nav aids · Bismarck Sea	0	7.1	0	—	0.0× / 0.2
Nav aids · Solomon Sea	0	7.1	0	—	0.0× / 0.4
Incidents · Japan Sea	0	5	0	—	0.0× / 0.2
Cable ops · Adriatic Sea	0	3.5	0	—	— / 0
Derelicts · Indian Ocean	0	2.5	0	—	0.0× / 0.4
Derelicts · Sea of Okhotsk	0	2	0	—	— / 0
Cable ops · Indian Ocean	0	1	0	—	0.0× / 0.2
Icebergs · South Pacific Ocean	0	1	0	—	0.0× / 0.2
Other · Black Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2002-01, 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.