Sea Ledger, October 2002

2002-10-01 to 2002-10-31 · archive

issued: 381
warning-days in force: 5,638
in force at month end: 177
sea × type cells: 186

baseline: same month, previous 5 years (2001-10, 2000-10, 1999-10, 1998-10, 1997-10)

By type

type	issued	warning-days	in force at end
Exercises	73	594.8	13
Incidents	71	1,545.8	47
Cable ops	48	424.6	14
Nav aids	45	1,066.9	33
Quakes	39	111.9	4
Other	22	377.7	12
Ordnance	21	158.9	7
Surveys	18	387.3	11
Derelicts	15	84.5	5
Icebergs	8	35.6	3
Missiles	7	89.1	3
Containers	5	29.4	2
Debris	4	25.3	1
Wrecks	1	580.5	18
Structures	1	2.5	0
Mines	1	6.5	0
Towing	1	11	1
Piracy	1	30.6	1
War risk	0	62	2
Spills	0	13	0

By sea and type · 186 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	33	79.4	4	32	1.8× / 18.8
Quakes · South Pacific Ocean	19	55.3	2	33	1.7× / 11.2
Exercises · Black Seasurge	15	80.8	1	29	9.4× / 1.6
Incidents · South Pacific Oceansurge	13	107.4	4	79	5.4× / 2.4
Exercises · North Atlantic Oceansurge	12	84.5	2	36	2.4× / 5
Nav aids · North Sealong running	11	79.4	3	739	2.0× / 5.6
Incidents · Philippine Seasurge	10	356.9	13	69	6.3× / 1.6
Ordnance · North Atlantic Oceansurge	9	21.3	3	21	4.1× / 2.2
Exercises · Laccadive Seanew	8	59.6	2	36	new / 0
Incidents · North Atlantic Ocean	8	34.5	2	24	1.6× / 5
Nav aids · Coral Seasurgelong running	7	95.9	2	924	4.4× / 1.6
Incidents · Coral Seasurge	7	33.1	0	—	3.9× / 1.8
Ordnance · Yellow Seanew	7	19.2	0	—	new / 0
Incidents · North Pacific Ocean	6	413.6	9	78	1.4× / 4.2
Missiles · North Pacific Oceansurge	6	62	2	35	2.0× / 3
Quakes · North Pacific Ocean	6	18	0	—	1.1× / 5.6
Nav aids · South Pacific Oceansurge	5	114.7	4	338	4.2× / 1.2
Surveys · South Atlantic Oceansurge	5	33.7	2	36	3.6× / 1.4
Exercises · Arabian Seasurge	5	22.1	0	—	8.3× / 0.6
Other · North Pacific Oceansurge	5	12.1	1	24	4.2× / 1.2
Incidents · South China Seasurge	4	229	6	66	2.9× / 1.4
Nav aids · Tyrrhenian Sealong running	4	142.5	4	555	1.3× / 3.2
Nav aids · South Atlantic Ocean	4	112.3	3	118	0.8× / 5
Incidents · Indian Ocean	4	54.6	1	73	1.3× / 3.2
Exercises · Persian Gulfnew	4	31.6	1	21	new / 0
Cable ops · Arabian Seasurge	4	30.8	2	15	10× / 0.4
Icebergs · Southern Oceansurge	4	20.2	2	34	5.0× / 0.8
Exercises · South Atlantic Oceansurge	4	17.7	1	43	6.7× / 0.6
Ordnance · Greenland Seanew	4	15.8	1	27	new / 0
Icebergs · South Atlantic Ocean	4	15.4	1	12	1.5× / 2.6
Quakes · Solomon Seasurge	4	13.1	0	—	2.0× / 2
Exercises · North Pacific Ocean	4	12.6	0	—	1.0× / 4
Other · Japan Seasurge	3	96.8	3	33	5.0× / 0.6
Other · Yellow Seasurge	3	41.7	2	34	3.0× / 1
Incidents · Mediterranean Sea - Eastern Basinsurge	3	41.3	3	75	3.8× / 0.8
Nav aids · Celtic Seasurgelong running	3	37.8	2	569	5.0× / 0.6
Exercises · Mediterranean Sea - Western Basinsurge	3	30.9	0	—	5.0× / 0.6
Surveys · Irish Sea and St. George's Channel	3	29.6	1	30	1.4× / 2.2
Other · South Atlantic Oceansurge	3	21.5	1	20	5.0× / 0.6
Exercises · Bay of Bengalsurge	3	18.8	0	—	15× / 0.2
Incidents · Solomon Seanew	3	10.9	1	21	new / 0
Exercises · South Pacific Oceansurge	3	7.9	0	—	15× / 0.2
Derelicts · Celtic Seanew	3	2.8	0	—	new / 0
Derelicts · South Pacific Oceansurge	3	1.1	1	5	5.0× / 0.6
Incidents · South Atlantic Ocean	2	52.1	1	49	0.7× / 2.8
Incidents · Tyrrhenian Sea	2	39.8	1	62	10× / 0.2
Nav aids · Inner Seas off the West Coast of Scotland	2	32.1	1	35	1.7× / 1.2
Exercises · Tyrrhenian Sea	2	31.9	0	—	3.3× / 0.6
Derelicts · North Atlantic Ocean	2	30.5	1	30	2.5× / 0.8
Surveys · Sea of Marmaranew	2	24	0	—	new / 0
Incidents · Celtic Sea	2	15.3	1	10	5.0× / 0.4
Nav aids · North Atlantic Ocean	2	15	0	—	0.8× / 2.4
Cable ops · Black Sea	2	13.4	1	21	10× / 0.2
Debris · South Atlantic Oceannew	2	13	0	—	new / 0
Containers · North Atlantic Ocean	2	11.4	1	10	2.5× / 0.8
Derelicts · Timor Sea	2	9.6	1	11	10× / 0.2
Exercises · Japan Sea	2	7.9	0	—	2.0× / 1
Quakes · North Atlantic Ocean	2	6	0	—	1.0× / 2
Exercises · Ionian Sea	2	3.3	1	9	1.7× / 1.2
Exercises · Mediterranean Sea - Eastern Basin	2	2.5	1	10	1.3× / 1.6
Nav aids · Bass Strait	2	0.9	0	—	2.0× / 1
Surveys · Philippine Sea	1	79.4	2	52	2.5× / 0.4
Nav aids · Persian Gulf	1	73.5	2	331	1.7× / 0.6
Cable ops · North Atlantic Ocean	1	57.8	1	40	0.5× / 2
Incidents · Japan Sea	1	48.5	1	78	2.5× / 0.4
Exercises · Malacca Strait	1	36.2	1	35	5.0× / 0.2
Surveys · North Atlantic Ocean	1	33.3	1	160	5.0× / 0.2
Nav aids · Irish Sea and St. George's Channellong running	1	32.1	2	911	1.7× / 0.6
Piracy · Gulf of Aden	1	30.6	1	30	new / 0
Surveys · Arabian Sea	1	30.4	1	30	new / 0
Other · North Sea	1	29.9	0	—	1.7× / 0.6
Surveys · Indian Ocean	1	29.3	1	29	new / 0
Missiles · Celtic Sea	1	27.1	1	27	new / 0
Exercises · Philippine Sea	1	22.8	0	—	new / 0
Derelicts · Indian Ocean	1	19.3	1	19	2.5× / 0.4
Incidents · Ionian Sea	1	18.9	0	—	new / 0
Exercises · Indian Ocean	1	18.7	0	—	new / 0
Cable ops · Tasman Sea	1	17.7	1	17	new / 0
Incidents · Arabian Sea	1	15.7	1	73	1.7× / 0.6
Cable ops · Laccadive Sea	1	15.6	0	—	new / 0
Incidents · Mediterranean Sea - Western Basin	1	13.1	1	13	5.0× / 0.2
Cable ops · Inner Seas off the West Coast of Scotland	1	12.7	0	—	5.0× / 0.2
Surveys · North Pacific Ocean	1	12.5	0	—	new / 0
Surveys · Yellow Sea	1	11.3	0	—	new / 0
Nav aids · Red Sea	1	11.1	0	—	new / 0
Cable ops · Bass Strait	1	10.4	0	—	new / 0
Cable ops · Philippine Sea	1	9.9	0	—	5.0× / 0.2
Incidents · Eastern China Sea	1	9.7	1	9	5.0× / 0.2
Ordnance · Gulf of Mexico	1	9.6	0	—	new / 0
Other · Arafura Sea	1	8.6	0	—	new / 0
Nav aids · Mediterranean Sea - Western Basin	1	7.2	1	7	new / 0
Cable ops · Ionian Sea	1	7	0	—	1.3× / 0.8
Containers · North Pacific Ocean	1	6.7	0	—	new / 0
Containers · Philippine Sea	1	6.6	0	—	new / 0
Mines · North Atlantic Ocean	1	6.5	0	—	new / 0
Derelicts · Mediterranean Sea - Western Basin	1	6.3	0	—	new / 0
Debris · South Pacific Ocean	1	6.2	0	—	new / 0
Exercises · Sea of Okhotsk	1	6.1	0	—	new / 0
Containers · Celtic Sea	1	4.7	1	4	1.3× / 0.8
Debris · Tyrrhenian Sea	1	3.1	1	3	new / 0
Quakes · Bali Sea	1	3	0	—	5.0× / 0.2
Quakes · Bay of Bengal	1	3	0	—	new / 0
Quakes · Flores Sea	1	3	0	—	new / 0
Quakes · Gulf of California	1	3	0	—	new / 0
Quakes · Indian Ocean	1	3	0	—	0.6× / 1.6
Quakes · South China Sea	1	3	0	—	2.5× / 0.4
Cable ops · Mediterranean Sea - Eastern Basin	1	2.8	1	71	0.8× / 1.2
Towing · Mediterranean Sea - Eastern Basin	1	2.6	1	2	new / 0
Structures · Mediterranean Sea - Eastern Basin	1	2.5	0	—	2.5× / 0.4
Surveys · English Channel	1	2.4	0	—	1.7× / 0.6
Derelicts · South Atlantic Ocean	1	2.4	0	—	1.7× / 0.6
Derelicts · Tasman Sea	1	2.1	0	—	new / 0
Derelicts · Tyrrhenian Sea	1	1.9	1	1	new / 0
Wrecks · Mediterranean Sea - Western Basin	1	1.6	0	—	new / 0
Surveys · Bass Strait	1	1.1	0	—	5.0× / 0.2
Other · Coral Sea	1	1	0	—	5.0× / 0.2
Quakes · Bismarck Sea	1	0.9	1	0	2.5× / 0.4
Quakes · Adriatic Sea	1	0.6	1	0	new / 0
Other · Celtic Sea	1	0.6	0	—	new / 0
Other · English Channel	1	0.5	0	—	2.5× / 0.4
Other · Indian Ocean	1	0.4	0	—	1.0× / 1
Nav aids · English Channel	1	0.3	1	0	0.3× / 3.4
Other · Timor Sea	1	0.3	0	—	new / 0
Incidents · Great Australian Bight	1	0.2	0	—	5.0× / 0.2
Incidents · Tasman Sea	1	0.2	0	—	1.3× / 0.8
Other · South Pacific Ocean	1	0.1	0	—	new / 0
Cable ops · Eastern China Sea	1	0	0	—	0.8× / 1.2
Wrecks · English Channellong running	0	93	3	378	0.0× / 1.2
Wrecks · North Sealong running	0	93	3	497	— / 0
Cable ops · South China Sea	0	93	3	57	0.0× / 1.2
Nav aids · Tasman Sea	0	72.5	2	227	0.0× / 0.4
Exercises · Aegean Sea	0	62	2	301	0.0× / 3
Wrecks · Baltic Sealong running	0	62	2	671	— / 0
War risk · Persian Gulf	0	62	2	272	— / 0
Wrecks · South China Sealong running	0	62	2	399	0.0× / 0.2
Wrecks · Tyrrhenian Sealong running	0	62	2	630	0.0× / 0.4
Wrecks · Coral Sealong running	0	41.5	1	633	0.0× / 0.2
Nav aids · Arabian Sea	0	31.5	0	—	— / 0
Other · Bass Strait	0	31	1	209	0.0× / 0.2
Surveys · Black Sea	0	31	1	31	0.0× / 0.2
Wrecks · Celtic Sea	0	31	1	349	— / 0
Nav aids · Eastern China Sealong running	0	31	1	738	0.0× / 0.2
Other · Greenland Sealong running	0	31	1	799	— / 0
Other · Gulf of Guinea	0	31	1	32	— / 0
Surveys · Gulf of Oman	0	31	1	105	— / 0
Ordnance · Indian Ocean	0	31	1	273	— / 0
Nav aids · Ionian Sea	0	31	1	142	0.0× / 0.2
Wrecks · Irish Sea and St. George's Channellong running	0	31	1	850	— / 0
Wrecks · Kattegatlong running	0	31	1	619	— / 0
Ordnance · Ligurian Sea	0	31	1	256	— / 0
Wrecks · Makassar Strait	0	31	1	142	— / 0
Nav aids · Malacca Strait	0	31	1	188	0.0× / 0.2
Other · Malacca Strait	0	31	1	35	— / 0
Surveys · Mediterranean Sea - Western Basin	0	31	1	191	0.0× / 0.4
Ordnance · North Pacific Oceanlong running	0	31	1	385	0.0× / 1.4
Exercises · Norwegian Sea	0	31	1	78	0.0× / 0.2
Other · Persian Gulf	0	31	1	173	0.0× / 0.2
Incidents · Persian Gulf	0	31	1	192	0.0× / 0.2
Nav aids · Savu Sea	0	31	1	240	— / 0
Nav aids · Skagerraklong running	0	31	1	485	— / 0
Wrecks · Skagerraklong running	0	31	1	722	— / 0
Nav aids · Solomon Sea	0	31	1	249	— / 0
Cable ops · Yellow Sea	0	31	1	66	— / 0
Cable ops · Bay of Bengal	0	28	0	—	0.0× / 0.2
Incidents · North Sea	0	18.5	0	—	0.0× / 1
Spills · North Atlantic Ocean	0	13	0	—	0.0× / 1.2
Cable ops · Persian Gulf	0	11.5	0	—	0.0× / 1.2
Nav aids · Adriatic Sea	0	10.5	0	—	— / 0
Wrecks · North Pacific Ocean	0	10.4	0	—	0.0× / 0.2
Other · Mediterranean Sea - Eastern Basin	0	9.2	0	—	0.0× / 0.2
Towing · Sea of Marmara	0	8.4	0	—	— / 0
Nav aids · Gulf of Suez	0	7.4	0	—	0.0× / 0.2
Surveys · Mediterranean Sea - Eastern Basin	0	6	0	—	0.0× / 1.8
Exercises · Adriatic Sea	0	5.9	0	—	0.0× / 4.2
Nav aids · Indian Ocean	0	4.2	0	—	0.0× / 1.2
Derelicts · North Pacific Ocean	0	4	0	—	0.0× / 1.2
Cable ops · Tyrrhenian Sea	0	3.6	0	—	— / 0
Derelicts · Caribbean Sea	0	3	0	—	— / 0
Debris · Mediterranean Sea - Eastern Basin	0	3	0	—	0.0× / 0.2
Incidents · Adriatic Sea	0	1.5	0	—	0.0× / 0.8
Derelicts · Mediterranean Sea - Eastern Basin	0	1.5	0	—	— / 0
Surveys · Persian Gulf	0	1	0	—	— / 0
Surveys · Gulf of Guinea	0	0.3	0	—	— / 0
Surveys · Eastern China Sea	0	0	0	—	— / 0
Cable ops · Japan Sea	0	0	0	—	— / 0
Debris · North Atlantic Ocean	0	0	0	—	0.0× / 1

Cite: seahazards.com Sea Ledger, 2002-10, 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.