Sea Ledger, October 2000

2000-10-01 to 2000-10-31 · archive

issued: 412
warning-days in force: 5,920
in force at month end: 211
sea × type cells: 173

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

By type

type	issued	warning-days	in force at end
Cable ops	85	475.7	17
Exercises	71	359.8	10
Nav aids	60	2,123	75
Incidents	52	672.5	27
Quakes	52	142.1	12
Surveys	29	300.8	8
Other	19	478.7	21
Ordnance	11	306.6	9
Derelicts	8	51.8	1
Containers	8	41.4	0
Missiles	5	62	2
Debris	5	14.5	1
Icebergs	4	33.5	0
Wrecks	3	623.9	21
War risk	0	124	4
Structures	0	62	2
Spills	0	6	0
Mines	0	31	1
Volcanic	0	10.8	0

By sea and type · 173 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	64	200.9	8	51	27× / 2.33
Exercises · North Atlantic Oceansurge	19	90.7	1	39	19× / 1
Exercises · North Pacific Oceannew	14	48.9	2	33	new / 0
Nav aids · South Atlantic Oceansurge	13	241.4	9	109	7.8× / 1.67
Quakes · South Pacific Ocean	12	28.7	5	33	1.1× / 11.33
Nav aids · North Seasurge	11	178.2	6	225	3.7× / 3
Exercises · Adriatic Seasurge	9	27.7	0	—	2.5× / 3.67
Quakes · Philippine Seasurge	8	24.3	1	32	4.0× / 2
Exercises · Gulf of Guineanew	8	14	0	—	new / 0
Incidents · North Pacific Oceansurge	7	90.9	4	36	3.0× / 2.33
Incidents · Indian Oceansurge	7	67.8	2	65	7.0× / 1
Incidents · North Atlantic Ocean	7	66.9	4	27	1.9× / 3.67
Surveys · Irish Sea and St. George's Channelsurge	7	17.8	0	—	5.3× / 1.33
Exercises · Aegean Seasurge	6	100.4	4	303	4.5× / 1.33
Missiles · North Pacific Oceansurge	5	62	2	35	3.0× / 1.67
Surveys · South Atlantic Oceansurge	5	59.3	3	36	15× / 0.33
Nav aids · English Channel	5	44.2	2	27	1.4× / 3.67
Cable ops · North Seasurge	5	33.4	0	—	2.1× / 2.33
Cable ops · North Atlantic Oceansurge	5	32.6	1	44	3.8× / 1.33
Cable ops · Irish Sea and St. George's Channelsurge	5	27.4	0	—	7.5× / 0.67
Nav aids · Bass Straitnew	5	22.1	1	60	new / 0
Quakes · Banda Seasurge	5	15	0	—	7.5× / 0.67
Quakes · North Pacific Ocean	5	14.1	1	28	1.1× / 4.67
Nav aids · South Pacific Oceansurgelong running	4	367	13	451	12× / 0.33
Nav aids · North Atlantic Oceansurge	4	93.6	3	133	2.4× / 1.67
Incidents · South China Seasurge	4	72.2	3	39	4.0× / 1
Icebergs · South Atlantic Ocean	4	33.5	0	—	1.5× / 2.67
Incidents · South Atlantic Oceansurge	4	27.3	0	—	2.0× / 2
Containers · South Pacific Oceannew	4	19.4	0	—	new / 0
Other · Yellow Seanew	4	14.4	4	4	new / 0
Surveys · North Sea	4	12	1	34	0.7× / 6
Quakes · Coral Seasurge	4	10.1	1	27	6.0× / 0.67
Quakes · North Atlantic Oceansurge	4	9.8	2	26	3.0× / 1.33
Nav aids · Tyrrhenian Sea	3	131.5	5	180	1.3× / 2.33
Incidents · South Pacific Oceansurge	3	100	3	45	9.1× / 0.33
Other · North Seanewlong running	3	83.8	3	551	new / 0
Incidents · Adriatic Seanew	3	52.3	2	30	new / 0
Nav aids · Andaman or Burma Seanew	3	46.2	1	40	new / 0
Exercises · Black Seasurge	3	16.4	0	—	4.5× / 0.67
Derelicts · North Pacific Oceansurge	3	16.2	0	—	3.0× / 1
Containers · Celtic Seasurge	3	14.2	0	—	9.1× / 0.33
Ordnance · Japan Sea	3	13.2	0	—	1.8× / 1.67
Exercises · Mediterranean Sea - Eastern Basinsurge	3	13.2	0	—	4.5× / 0.67
Quakes · South Atlantic Ocean	3	9	0	—	1.1× / 2.67
Quakes · Indian Oceansurge	3	7.5	1	24	4.5× / 0.67
Surveys · English Channelnew	3	6.4	0	—	new / 0
Surveys · Celtic Seanew	3	4.7	0	—	new / 0
Debris · North Atlantic Oceansurge	3	4	0	—	9.1× / 0.33
Ordnance · Adriatic Sealong running	2	221.4	7	508	6.1× / 0.33
Nav aids · Coral Sealong running	2	138	5	502	2.0× / 1
Nav aids · North Pacific Oceannew	2	97.8	5	231	new / 0
Nav aids · Irish Sea and St. George's Channel	2	67	2	181	6.1× / 0.33
Cable ops · Persian Gulf	2	62.4	3	65	3.0× / 0.67
Wrecks · Persian Gulf	2	39	2	127	6.1× / 0.33
Ordnance · Tyrrhenian Seanew	2	36.8	1	362	new / 0
Other · Philippine Seanew	2	29.6	1	29	new / 0
Incidents · Sea of Okhotsknew	2	29.3	2	20	new / 0
Ordnance · North Pacific Ocean	2	21.9	1	21	2.0× / 1
Incidents · North Sea	2	16.7	1	23	3.0× / 0.67
Incidents · Mediterranean Sea - Eastern Basinnew	2	15	1	30	new / 0
Other · Tyrrhenian Sea	2	11.4	1	8	6.1× / 0.33
Quakes · Eastern China Sea	2	6	0	—	3.0× / 0.67
Incidents · Coral Seanew	2	5.8	0	—	new / 0
Exercises · Ionian Sea	2	5.6	0	—	6.1× / 0.33
Quakes · Solomon Sea	2	5.6	1	21	0.9× / 2.33
Exercises · Gulf of Mexico	2	4.8	1	4	6.1× / 0.33
Incidents · Tasman Sea	2	0.3	0	—	3.0× / 0.67
Nav aids · Gulf of Suez	1	120.5	4	182	new / 0
Other · Adriatic Sealong running	1	62.4	2	1,415	new / 0
Wrecks · English Channellong running	1	57.9	2	489	new / 0
Other · South China Sealong running	1	38.5	2	434	3.0× / 0.33
Other · South Atlantic Ocean	1	35.9	1	161	3.0× / 0.33
Cable ops · Mediterranean Sea - Eastern Basin	1	32.4	2	235	0.6× / 1.67
Nav aids · Indian Ocean	1	32	1	79	1.0× / 1
Nav aids · Inner Seas off the West Coast of Scotland	1	31.5	1	189	1.5× / 0.67
Nav aids · Celtic Sea	1	28.3	0	—	new / 0
Surveys · Red Sea	1	16.1	0	—	new / 0
Incidents · Eastern China Sea	1	15.6	1	15	new / 0
Other · North Atlantic Ocean	1	15.2	1	15	3.0× / 0.33
Incidents · Singapore Strait	1	13.4	1	13	new / 0
Surveys · Mediterranean Sea - Eastern Basin	1	13.2	0	—	3.0× / 0.33
Cable ops · South Pacific Ocean	1	12.4	1	12	new / 0
Exercises · Norwegian Sea	1	12	1	12	new / 0
Surveys · Tyrrhenian Sea	1	9.4	0	—	new / 0
Incidents · Tyrrhenian Sea	1	9.1	1	9	new / 0
Nav aids · Eastern China Sea	1	8.5	1	8	new / 0
Other · North Pacific Ocean	1	8.5	0	—	new / 0
Surveys · Ionian Sea	1	8.3	0	—	new / 0
Exercises · South Atlantic Ocean	1	8.1	0	—	new / 0
Surveys · Mediterranean Sea - Western Basin	1	7.3	0	—	new / 0
Exercises · Mediterranean Sea - Western Basin	1	7.2	1	7	1.5× / 0.67
Containers · North Atlantic Ocean	1	6.8	0	—	1.5× / 0.67
Debris · Arabian Sea	1	6.5	0	—	new / 0
Derelicts · Bass Strait	1	6.5	0	—	new / 0
Derelicts · Bay of Bengal	1	6.5	0	—	3.0× / 0.33
Derelicts · Arafura Sea	1	6.3	0	—	new / 0
Derelicts · Gulf of Mexico	1	6.3	0	—	3.0× / 0.33
Other · Mediterranean Sea - Eastern Basin	1	6.2	0	—	new / 0
Ordnance · Persian Gulf	1	5.5	0	—	1.5× / 0.67
Derelicts · North Atlantic Ocean	1	5	1	4	3.0× / 0.33
Other · Japan Sea	1	4.7	1	4	new / 0
Incidents · Bering Sea	1	4.5	1	4	new / 0
Exercises · Sea of Marmara	1	3.1	0	—	new / 0
Quakes · Andaman or Burma Sea	1	3	0	—	new / 0
Quakes · Caribbean Sea	1	3	0	—	new / 0
Cable ops · Ionian Sea	1	3	0	—	3.0× / 0.33
Quakes · Japan Sea	1	3	0	—	1.5× / 0.67
Quakes · Java Sea	1	3	0	—	new / 0
Surveys · Bay of Biscay	1	2.3	0	—	new / 0
Exercises · Ligurian Sea	1	2.3	0	—	3.0× / 0.33
Debris · Mediterranean Sea - Eastern Basin	1	2	1	1	new / 0
Nav aids · Persian Gulf	1	1.7	1	1	3.0× / 0.33
Cable ops · Arabian Sea	1	1.6	1	1	new / 0
Ordnance · Ionian Sea	1	1	0	—	new / 0
Other · Bass Strait	1	0.7	0	—	new / 0
Surveys · Philippine Sea	1	0.6	1	0	new / 0
Incidents · Celtic Sea	1	0.1	0	—	new / 0
Incidents · Great Australian Bight	1	0.1	0	—	new / 0
Incidents · Arafura Sea	1	0	0	—	3.0× / 0.33
War risk · Persian Gulf	0	124	4	271	— / 0
Nav aids · Mozambique Channel	0	93	3	82	0.0× / 0.33
Wrecks · North Sea	0	93	3	350	— / 0
Wrecks · South China Sea	0	93	3	287	0.0× / 0.33
Nav aids · Tasman Sealong running	0	93	3	441	0.0× / 0.33
Nav aids · Malacca Straitlong running	0	62	2	382	0.0× / 0.33
Wrecks · Red Sea	0	62	2	175	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	740	0.0× / 0.33
Surveys · Adriatic Sealong running	0	57.4	1	592	— / 0
Incidents · Arabian Sea	0	36.4	1	70	0.0× / 0.67
Nav aids · Adriatic Sealong running	0	31	1	588	— / 0
Wrecks · Adriatic Sea	0	31	1	260	— / 0
Wrecks · Arabian Sea	0	31	1	33	— / 0
Nav aids · Bay of Bengallong running	0	31	1	392	0.0× / 1
Surveys · Black Sea	0	31	1	33	— / 0
Nav aids · Caribbean Sea	0	31	1	179	— / 0
Wrecks · Coral Sea	0	31	1	155	0.0× / 0.33
Other · Greenland Sea	0	31	1	69	— / 0
Other · Gulf of California	0	31	1	218	— / 0
Nav aids · Gulf of Mexico	0	31	1	160	— / 0
Other · Gulf of Mexico	0	31	1	218	— / 0
Wrecks · Irish Sea and St. George's Channel	0	31	1	120	— / 0
Structures · Mediterranean Sea - Eastern Basin	0	31	1	33	0.0× / 0.33
Nav aids · Mediterranean Sea - Western Basin	0	31	1	32	— / 0
Wrecks · North Atlantic Oceanlong running	0	31	1	511	— / 0
Surveys · North Pacific Ocean	0	31	1	220	— / 0
Mines · North Sealong running	0	31	1	965	— / 0
Nav aids · Philippine Sea	0	31	1	109	— / 0
Other · Red Sealong running	0	31	1	1,789	— / 0
Wrecks · South Atlantic Ocean	0	31	1	63	— / 0
Cable ops · South China Sea	0	31	1	87	— / 0
Structures · South China Sealong running	0	31	1	475	— / 0
Other · South Pacific Ocean	0	31	1	177	— / 0
Wrecks · South Pacific Ocean	0	31	1	179	— / 0
Nav aids · Timor Sea	0	31	1	280	0.0× / 0.33
Incidents · Java Sea	0	26.4	0	—	— / 0
Cable ops · Black Sea	0	22.4	0	—	0.0× / 0.33
Incidents · Japan Sea	0	18.4	0	—	0.0× / 0.33
Surveys · Ligurian Sea	0	14	0	—	0.0× / 0.33
Other · Gulf of Oman	0	12.4	0	—	— / 0
Volcanic · North Pacific Ocean	0	10.8	0	—	— / 0
Cable ops · Eastern China Sea	0	10	0	—	— / 0
Surveys · Sea of Okhotsk	0	10	0	—	— / 0
Nav aids · Arabian Sea	0	8.5	0	—	— / 0
Ordnance · Philippine Sea	0	6.8	0	—	— / 0
Cable ops · English Channel	0	6.2	0	—	0.0× / 0.33
Spills · Gulf of Mexico	0	6	0	—	0.0× / 3
Exercises · Japan Sea	0	5.4	0	—	0.0× / 1.67
Incidents · Philippine Sea	0	4	0	—	0.0× / 1.33
Derelicts · South China Sea	0	3	0	—	— / 0
Derelicts · English Channel	0	2	0	—	— / 0
Debris · North Pacific Ocean	0	2	0	—	— / 0
Containers · Tyrrhenian Sea	0	1	0	—	— / 0
Cable ops · Adriatic Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-10, 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.