Sea Ledger, January 2000

2000-01-01 to 2000-01-31 · archive

issued: 446
warning-days in force: 5,896
in force at month end: 186
sea × type cells: 181

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

By type

type	issued	warning-days	in force at end
Cable ops	121	790.4	23
Incidents	66	797.8	30
Nav aids	62	1,702.4	46
Quakes	47	149.2	0
Exercises	46	299.9	12
Surveys	29	196.3	5
Other	17	350.5	13
Spills	11	84	9
Icebergs	10	64.4	1
Derelicts	9	38.7	1
Ordnance	9	403.1	15
Missiles	6	66.5	2
Containers	5	65.7	3
Debris	5	33.1	0
Wrecks	2	602.4	18
Piracy	1	28.3	1
War risk	0	31	1
Structures	0	37.4	1
Restricted	0	31	1
Mines	0	62	2
Volcanic	0	62	2

By sea and type · 181 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceannew	81	396.8	12	224	new / 0
Quakes · South Pacific Ocean	17	51	0	—	1.6× / 11
Incidents · South Atlantic Oceansurge	11	126.8	6	66	5.5× / 2
Exercises · Aegean Seasurgelong running	11	113.4	3	392	4.1× / 2.67
Incidents · North Pacific Oceansurge	10	71.7	4	46	3.8× / 2.67
Cable ops · North Atlantic Oceansurge	10	66.1	2	42	4.3× / 2.33
Incidents · South China Seanew	9	132.7	4	53	new / 0
Nav aids · North Seasurge	9	105.9	1	93	5.4× / 1.67
Incidents · North Atlantic Oceansurge	8	160.4	4	62	3.0× / 2.67
Exercises · South Atlantic Oceannew	7	26.7	3	9	new / 0
Spills · Gulf of Mexicosurge	6	46	6	11	2.0× / 3
Exercises · Adriatic Seasurge	6	15	0	—	2.6× / 2.33
Surveys · North Seanew	6	9.2	0	—	new / 0
Surveys · Celtic Seasurge	6	6.4	0	—	9.0× / 0.67
Nav aids · South Atlantic Oceansurge	5	164.4	6	234	2.5× / 2
Nav aids · Inner Seas off the West Coast of Scotlandsurge	5	130.9	4	256	3.8× / 1.33
Nav aids · North Atlantic Oceansurge	5	117.1	4	280	2.5× / 2
Missiles · North Pacific Oceansurge	5	62	2	35	3.0× / 1.67
Icebergs · South Atlantic Oceannew	5	35.3	0	—	new / 0
Exercises · Tyrrhenian Seasurge	5	34	2	23	7.5× / 0.67
Exercises · North Atlantic Oceansurge	5	23.6	2	17	5.0× / 1
Exercises · North Pacific Oceansurge	5	23.6	0	—	2.5× / 2
Cable ops · Caribbean Seanew	5	18.6	0	—	new / 0
Quakes · Indian Oceansurge	5	15	0	—	3.8× / 1.33
Incidents · South Pacific Oceannew	5	14.9	2	31	new / 0
Incidents · Coral Seanew	4	59.8	1	52	new / 0
Nav aids · Irish Sea and St. George's Channelsurge	4	56	0	—	2.4× / 1.67
Nav aids · English Channel	4	44.7	0	—	1.1× / 3.67
Cable ops · Mediterranean Sea - Eastern Basinnew	4	35.9	0	—	new / 0
Icebergs · Southern Oceannew	4	27.3	0	—	new / 0
Quakes · Coral Seasurge	4	16.1	0	—	4.0× / 1
Cable ops · North Sea	4	13.9	0	—	1.7× / 2.33
Incidents · Tasman Seanew	4	13.7	0	—	new / 0
Quakes · North Pacific Ocean	4	13.6	0	—	0.6× / 7
Cable ops · Celtic Seasurge	4	10.4	0	—	2.4× / 1.67
Ordnance · Adriatic Seanew	3	323.2	11	234	new / 0
Nav aids · Tyrrhenian Seasurge	3	114.5	1	97	2.3× / 1.33
Nav aids · Coral Seasurge	3	63.6	2	228	3.0× / 1
Nav aids · Mediterranean Sea - Western Basinsurge	3	34.8	2	17	4.5× / 0.67
Ordnance · Tyrrhenian Seanew	3	34.7	1	88	new / 0
Surveys · Mediterranean Sea - Western Basin	3	20.8	0	—	1.3× / 2.33
Incidents · Mediterranean Sea - Eastern Basinnew	3	16	2	70	new / 0
Exercises · Mediterranean Sea - Western Basinsurge	3	16	1	23	2.3× / 1.33
Debris · North Atlantic Oceannew	3	14	0	—	new / 0
Quakes · Solomon Seasurge	3	9	0	—	3.0× / 1
Quakes · South Atlantic Oceansurge	3	9	0	—	2.3× / 1.33
Cable ops · English Channelnew	3	7.6	0	—	new / 0
Incidents · Philippine Seasurge	3	3.5	0	—	4.5× / 0.67
Other · South China Sea	2	64.2	2	160	6.1× / 0.33
Nav aids · Caribbean Seanew	2	52.2	1	209	new / 0
Cable ops · Tasman Seanew	2	37.2	2	61	new / 0
Cable ops · Arabian Seanew	2	27.6	1	39	new / 0
Nav aids · Great Australian Bightnew	2	21.8	0	—	new / 0
Containers · North Atlantic Ocean	2	20.3	0	—	3.0× / 0.67
Nav aids · Mediterranean Sea - Eastern Basinnew	2	19.5	0	—	new / 0
Surveys · Tyrrhenian Sea	2	17.2	1	17	6.1× / 0.33
Spills · North Pacific Ocean	2	15	1	26	2.0× / 1
Surveys · Philippine Seanew	2	14.5	0	—	new / 0
Exercises · South Pacific Oceannew	2	9.4	0	—	new / 0
Spills · North Atlantic Ocean	2	9	2	43	0.7× / 3
Surveys · Caribbean Sea	2	8.9	0	—	6.1× / 0.33
Other · Great Australian Bightnew	2	7.9	0	—	new / 0
Quakes · Eastern China Sea	2	6	0	—	6.1× / 0.33
Quakes · Flores Seanew	2	6	0	—	new / 0
Quakes · Philippine Sea	2	6	0	—	1.5× / 1.33
Surveys · Persian Gulfnew	2	5.2	1	5	new / 0
Cable ops · Irish Sea and St. George's Channel	2	4.5	0	—	1.2× / 1.67
Cable ops · South Pacific Oceannew	2	4.3	1	5	new / 0
Other · Coral Seanew	2	2.4	0	—	new / 0
Other · North Pacific Oceannew	2	0.9	1	7	new / 0
Nav aids · Indian Ocean	2	0.8	0	—	6.1× / 0.33
Incidents · Great Australian Bightnew	2	0.6	0	—	new / 0
Nav aids · South Pacific Ocean	1	135.6	4	177	1.5× / 0.67
Other · North Atlantic Oceanlong running	1	99.4	4	566	new / 0
Nav aids · Persian Gulflong running	1	87	3	410	3.0× / 0.33
Wrecks · South China Sea	1	81.8	3	143	new / 0
Incidents · Arabian Sea	1	72.2	2	54	new / 0
Nav aids · Mozambique Channel	1	62.5	2	61	new / 0
Nav aids · South China Sea	1	62	2	243	new / 0
Nav aids · Celtic Sea	1	57.4	1	85	0.4× / 2.33
Wrecks · North Atlantic Ocean	1	49.3	2	237	new / 0
Other · Persian Gulf	1	37.5	1	95	new / 0
Nav aids · North Pacific Ocean	1	36.3	1	132	new / 0
Other · North Sea	1	32.5	1	277	3.0× / 0.33
Exercises · Gulf of Mexico	1	32.1	1	87	new / 0
Piracy · Bay of Bengal	1	28.3	1	28	new / 0
Cable ops · North Pacific Ocean	1	26.5	1	26	new / 0
Surveys · Ionian Sea	1	24.5	1	24	3.0× / 0.33
Incidents · Bay of Bengal	1	20.9	1	20	new / 0
Incidents · Eastern China Sea	1	19.1	1	19	new / 0
Nav aids · Sea of Okhotsk	1	16.6	1	16	new / 0
Incidents · Indian Ocean	1	15.8	1	72	new / 0
Spills · Caribbean Sea	1	14	0	—	new / 0
Incidents · Celtic Sea	1	13.8	1	13	new / 0
Derelicts · Java Sea	1	12.1	0	—	new / 0
Debris · North Pacific Ocean	1	12	0	—	new / 0
Surveys · Yellow Sea	1	12	0	—	new / 0
Cable ops · Great Australian Bight	1	8	1	7	new / 0
Surveys · North Pacific Ocean	1	7.9	0	—	new / 0
Other · Singapore Strait	1	7.4	1	7	new / 0
Debris · Tasman Sea	1	7.1	0	—	new / 0
Nav aids · Bass Strait	1	6.9	0	—	1.0× / 1
Containers · South China Sea	1	6.9	0	—	new / 0
Derelicts · Timor Sea	1	6.8	0	—	new / 0
Derelicts · Coral Sea	1	6.7	0	—	new / 0
Incidents · Japan Sea	1	6.7	1	67	new / 0
Nav aids · Timor Sea	1	6.7	1	6	new / 0
Other · Mediterranean Sea - Western Basin	1	6.6	0	—	new / 0
Other · Philippine Sea	1	6.6	1	6	new / 0
Derelicts · Indian Ocean	1	6.4	0	—	3.0× / 0.33
Nav aids · Southern Ocean	1	5.9	1	5	new / 0
Other · Southern Ocean	1	5.8	0	—	new / 0
Ordnance · Gulf of Mexico	1	5.7	1	5	new / 0
Missiles · North Atlantic Ocean	1	4.5	0	—	3.0× / 0.33
Surveys · Bay of Bengal	1	3.8	0	—	new / 0
Derelicts · South China Sea	1	3.5	1	3	1.5× / 0.67
Quakes · Banda Sea	1	3	0	—	3.0× / 0.33
Quakes · Bering Sea	1	3	0	—	1.5× / 0.67
Quakes · Gulf of Alaska	1	3	0	—	new / 0
Quakes · South China Sea	1	3	0	—	3.0× / 0.33
Quakes · Southern Ocean	1	3	0	—	new / 0
Surveys · Irish Sea and St. George's Channel	1	2.8	0	—	1.5× / 0.67
Other · South Pacific Ocean	1	2.7	0	—	1.5× / 0.67
Containers · English Channel	1	2.3	1	2	new / 0
Nav aids · Japan Sea	1	2.1	0	—	new / 0
Incidents · Laccadive Sea	1	2	0	—	new / 0
Containers · North Pacific Ocean	1	1.8	1	1	new / 0
Icebergs · South Pacific Ocean	1	1.8	1	1	new / 0
Derelicts · Tasman Sea	1	1.8	0	—	new / 0
Exercises · Philippine Sea	1	1.6	0	—	new / 0
Other · Ionian Sea	1	1.4	0	—	new / 0
Ordnance · North Pacific Ocean	1	1.3	0	—	3.0× / 0.33
Surveys · North Atlantic Ocean	1	0.9	0	—	1.5× / 0.67
Nav aids · Ionian Sea	1	0.6	0	—	new / 0
Ordnance · Japan Sea	1	0.6	1	0	new / 0
Derelicts · South Atlantic Ocean	1	0.6	0	—	new / 0
Derelicts · Celtic Sea	1	0.4	0	—	new / 0
Derelicts · North Atlantic Ocean	1	0.4	0	—	1.5× / 0.67
Nav aids · Strait of Gibraltar	1	0.3	0	—	new / 0
Nav aids · Bay of Bengal	0	93	3	118	— / 0
Wrecks · English Channel	0	93	3	215	— / 0
Wrecks · North Sealong running	0	93	3	594	— / 0
Wrecks · Bay of Biscay	0	62	2	47	— / 0
Nav aids · Malacca Strait	0	62	2	108	— / 0
Volcanic · North Pacific Oceanlong running	0	62	2	367	0.0× / 0.33
Mines · North Sealong running	0	62	2	691	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	466	— / 0
Nav aids · Andaman or Burma Sea	0	48.3	1	80	— / 0
Wrecks · Coral Sea	0	40.9	0	—	— / 0
Cable ops · Persian Gulf	0	40	0	—	— / 0
Nav aids · Adriatic Sea	0	31	1	314	— / 0
Other · Adriatic Sealong running	0	31	1	1,141	— / 0
Surveys · Adriatic Sea	0	31	1	318	— / 0
War risk · Adriatic Sea	0	31	1	291	— / 0
Surveys · Aegean Sea	0	31	1	35	— / 0
Ordnance · English Channellong running	0	31	1	929	— / 0
Cable ops · Gulf of Guinea	0	31	1	42	— / 0
Cable ops · Gulf of Mexico	0	31	1	193	— / 0
Nav aids · Gulf of Suezlong running	0	31	1	605	— / 0
Wrecks · Gulf of Thailand	0	31	1	112	— / 0
Cable ops · Malacca Strait	0	31	1	43	— / 0
Wrecks · Malacca Strait	0	31	1	40	— / 0
Restricted · North Atlantic Oceanlong running	0	31	1	685	— / 0
Other · Red Sealong running	0	31	1	1,515	— / 0
Structures · South China Sea	0	31	1	201	— / 0
Wrecks · South Pacific Ocean	0	31	1	79	— / 0
Nav aids · Tasman Sea	0	31	1	167	0.0× / 0.33
Containers · Tyrrhenian Sea	0	31	1	56	— / 0
Wrecks · Baltic Sea	0	27.4	0	—	— / 0
Incidents · Bering Sea	0	20.4	0	—	— / 0
Incidents · Bay of Biscay	0	13.4	0	—	— / 0
Incidents · Persian Gulf	0	13.4	0	—	— / 0
Other · English Channel	0	9	0	—	— / 0
Ordnance · North Sea	0	6.6	0	—	— / 0
Structures · Persian Gulf	0	6.4	0	—	— / 0
Exercises · Ionian Sea	0	4.5	0	—	— / 0
Other · Ligurian Sea	0	4.2	0	—	— / 0
Quakes · Japan Sea	0	2.5	0	—	— / 0
Containers · Ligurian Sea	0	2.2	0	—	— / 0
Containers · Celtic Sea	0	1.2	0	—	— / 0
Surveys · Ligurian Sea	0	0.2	0	—	0.0× / 0.33

Cite: seahazards.com Sea Ledger, 2000-01, 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.