Sea Ledger, July 2000

2000-07-01 to 2000-07-31 · archive

issued: 453
warning-days in force: 6,399
in force at month end: 187
sea × type cells: 173

baseline: same month, previous 5 years (1999-07, 1998-07, 1997-07)

By type

type	issued	warning-days	in force at end
Cable ops	155	1,010.9	30
Incidents	52	547.6	20
Exercises	51	354.9	7
Quakes	44	124.5	6
Surveys	43	461.1	13
Nav aids	34	1,545.9	42
Other	19	696.7	18
Icebergs	13	31.1	1
Ordnance	11	322	9
Missiles	10	70.4	2
Wrecks	5	725.5	23
Derelicts	5	61.7	2
Spills	3	56	2
Containers	3	19	0
Debris	3	23.6	1
Mines	1	63.5	2
Towing	1	9.7	1
War risk	0	155	5
Structures	0	57.8	1
Volcanic	0	62	2

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	87	356.4	10	217	52× / 1.67
Cable ops · North Atlantic Oceansurge	36	238.2	8	157	18× / 2
Surveys · Celtic Seasurge	20	65.5	2	31	7.5× / 2.67
Exercises · North Pacific Oceansurge	12	52.7	2	27	7.2× / 1.67
Quakes · Philippine Seasurge	11	31.4	3	32	4.7× / 2.33
Cable ops · Celtic Seasurge	10	32.1	1	34	10× / 1
Other · North Atlantic Oceansurge	10	20.6	1	30	7.5× / 1.33
Icebergs · North Atlantic Oceansurge	10	10	0	—	15× / 0.67
Incidents · North Pacific Oceansurge	9	85.4	4	71	6.8× / 1.33
Exercises · Adriatic Seasurge	9	28.3	0	—	27× / 0.33
Incidents · South Atlantic Oceansurge	7	69.7	4	59	3.0× / 2.33
Incidents · Philippine Seasurge	7	48.2	2	27	10× / 0.67
Exercises · Tyrrhenian Seanew	7	25.9	0	—	new / 0
Nav aids · North Atlantic Oceansurgelong running	6	158.1	4	462	3.0× / 2
Incidents · Indian Oceansurge	6	83.9	1	70	4.5× / 1.33
Incidents · South Pacific Oceansurge	6	41.8	2	39	6.0× / 1
Exercises · Mediterranean Sea - Western Basinsurge	6	25.3	1	35	9.0× / 0.67
Nav aids · North Seasurge	5	153.8	3	133	2.1× / 2.33
Other · North Seanewlong running	5	92.9	4	459	new / 0
Missiles · North Pacific Oceansurge	5	62	2	35	2.5× / 2
Ordnance · North Atlantic Oceansurge	5	35.8	1	104	15× / 0.33
Cable ops · North Sea	5	31.6	3	19	1.1× / 4.67
Exercises · North Atlantic Ocean	5	20.9	0	—	1.4× / 3.67
Quakes · North Pacific Ocean	5	16.3	0	—	1.0× / 5
Quakes · Indian Oceansurge	5	15	0	—	5.0× / 1
Quakes · South Pacific Ocean	5	9.1	2	30	0.5× / 10.67
Surveys · Irish Sea and St. George's Channelsurge	5	8.7	0	—	7.5× / 0.67
Missiles · North Atlantic Oceansurge	5	8.4	0	—	3.0× / 1.67
Incidents · Coral Seasurge	5	0.4	0	—	7.5× / 0.67
Nav aids · South Atlantic Ocean	4	165	3	213	1.7× / 2.33
Surveys · North Seanew	4	81.5	2	50	new / 0
Nav aids · English Channel	4	13.4	0	—	1.7× / 2.33
Incidents · North Atlantic Ocean	3	91.3	3	48	1.8× / 1.67
Surveys · Bay of Biscaynew	3	42.3	1	55	new / 0
Cable ops · Japan Seanew	3	27.7	2	24	new / 0
Surveys · Red Seanew	3	25.1	1	25	new / 0
Debris · North Atlantic Oceannew	3	23.6	1	35	new / 0
Exercises · Ionian Seanew	3	11.3	0	—	new / 0
Quakes · South Atlantic Oceansurge	3	9	0	—	9.1× / 0.33
Quakes · Coral Sea	3	7.7	1	15	1.5× / 2
Incidents · Tasman Seanew	3	0.2	0	—	new / 0
Nav aids · South Pacific Oceannew	2	148.4	3	359	new / 0
Nav aids · Coral Sealong running	2	125.2	4	410	1.5× / 1.33
Exercises · Aegean Seanew	2	121.7	3	211	new / 0
Nav aids · Inner Seas off the West Coast of Scotlandlong running	2	74.6	2	438	0.9× / 2.33
Nav aids · North Pacific Oceannew	2	73.6	3	139	new / 0
Surveys · Tyrrhenian Seanew	2	47.4	2	61	new / 0
Derelicts · North Atlantic Ocean	2	35	1	47	6.1× / 0.33
Incidents · South China Sea	2	31.3	1	43	3.0× / 0.67
Cable ops · South Pacific Ocean	2	27.1	0	—	3.0× / 0.67
Icebergs · South Atlantic Oceannew	2	14.6	0	—	new / 0
Containers · South Pacific Ocean	2	12.4	0	—	2.0× / 1
Exercises · Mediterranean Sea - Eastern Basin	2	10.1	0	—	6.1× / 0.33
Cable ops · Tasman Sea	2	9.7	0	—	3.0× / 0.67
Cable ops · Mediterranean Sea - Western Basinnew	2	8.2	0	—	new / 0
Surveys · North Atlantic Ocean	2	7	0	—	3.0× / 0.67
Quakes · Gulf of Alaska	2	6	0	—	6.1× / 0.33
Quakes · North Atlantic Ocean	2	6	0	—	6.1× / 0.33
Quakes · South China Seanew	2	6	0	—	new / 0
Ordnance · North Sea	2	2.5	0	—	6.1× / 0.33
Nav aids · Celtic Sea	2	1.4	0	—	1.2× / 1.67
Other · South Pacific Ocean	1	110.6	2	166	new / 0
Wrecks · South China Sea	1	93.3	3	195	1.5× / 0.67
Wrecks · North Sea	1	69.3	3	258	new / 0
Nav aids · Tyrrhenian Sea	1	69.3	3	149	0.6× / 1.67
Cable ops · Eastern China Sea	1	68.4	2	105	1.5× / 0.67
Cable ops · Persian Gulf	1	63.9	1	79	new / 0
Mines · North Sealong running	1	63.5	2	873	new / 0
Other · Tasman Sea	1	61.8	0	—	new / 0
Ordnance · Tyrrhenian Sea	1	33.8	1	270	new / 0
Wrecks · Irish Sea and St. George's Channel	1	28.2	1	28	3.0× / 0.33
Exercises · Black Sea	1	27.6	0	—	3.0× / 0.33
Spills · Gulf of Mexico	1	26	1	32	0.5× / 2
Cable ops · South China Sea	1	25.6	1	25	new / 0
Wrecks · Arabian Sea	1	24.3	1	24	3.0× / 0.33
Nav aids · Mozambique Channel	1	21.2	1	21	new / 0
Incidents · Arabian Sea	1	20.8	1	20	3.0× / 0.33
Wrecks · Makassar Strait	1	19.4	1	19	new / 0
Nav aids · Philippine Sea	1	17.4	1	17	new / 0
Spills · North Atlantic Ocean	1	17	0	—	0.3× / 3.33
Derelicts · South Pacific Ocean	1	16.1	1	45	3.0× / 0.33
Surveys · Mediterranean Sea - Eastern Basin	1	15.1	0	—	new / 0
Incidents · Eastern China Sea	1	14.3	1	14	new / 0
Spills · North Pacific Ocean	1	13	1	13	1.0× / 1
Surveys · Mediterranean Sea - Western Basin	1	10.4	1	62	3.0× / 0.33
Exercises · Caribbean Sea	1	10.3	0	—	new / 0
Towing · South China Sea	1	9.7	1	9	new / 0
Cable ops · Adriatic Sea	1	9.5	1	9	new / 0
Derelicts · North Pacific Ocean	1	9.2	0	—	3.0× / 0.33
Other · Laccadive Sea	1	8.7	0	—	new / 0
Exercises · Norwegian Sea	1	8.4	1	8	new / 0
Surveys · Sea of Okhotsk	1	7.6	1	7	new / 0
Cable ops · English Channel	1	7.5	0	—	1.5× / 0.67
Ordnance · Japan Sea	1	7.1	0	—	new / 0
Exercises · Japan Sea	1	7	0	—	1.5× / 0.67
Containers · Arabian Sea	1	6.6	0	—	new / 0
Icebergs · Indian Ocean	1	6.5	1	6	new / 0
Cable ops · Timor Sea	1	5.9	0	—	new / 0
Exercises · South Pacific Ocean	1	5.4	0	—	new / 0
Ordnance · Gulf of Thailand	1	4.8	0	—	3.0× / 0.33
Cable ops · Tyrrhenian Sea	1	4.7	0	—	1.5× / 0.67
Surveys · English Channel	1	4.1	0	—	0.8× / 1.33
Other · Gulf of Oman	1	4.1	1	4	new / 0
Nav aids · Arabian Sea	1	3.8	0	—	new / 0
Quakes · Banda Sea	1	3	0	—	3.0× / 0.33
Quakes · Bering Sea	1	3	0	—	3.0× / 0.33
Quakes · Java Sea	1	3	0	—	3.0× / 0.33
Quakes · Sea of Okhotsk	1	3	0	—	new / 0
Quakes · Solomon Sea	1	3	0	—	0.8× / 1.33
Quakes · Southern Ocean	1	3	0	—	new / 0
Nav aids · Great Australian Bight	1	2.3	0	—	3.0× / 0.33
Incidents · Solomon Sea	1	1.9	0	—	new / 0
Derelicts · Philippine Sea	1	1.4	0	—	new / 0
Ordnance · Norwegian Sea	1	1	0	—	new / 0
Cable ops · Indian Ocean	1	0.7	0	—	1.5× / 0.67
Incidents · Bering Sea	1	0	0	—	new / 0
Ordnance · Adriatic Sealong running	0	217	7	416	0.0× / 2
War risk · Persian Gulf	0	124	4	179	— / 0
Nav aids · Gulf of Suez	0	93	3	90	— / 0
Nav aids · Irish Sea and St. George's Channel	0	93	3	89	0.0× / 0.67
Wrecks · South Pacific Ocean	0	89.6	2	87	— / 0
Surveys · Adriatic Sealong running	0	67	2	500	0.0× / 1
Other · Adriatic Sealong running	0	62	2	1,323	0.0× / 0.33
Wrecks · English Channellong running	0	62	2	397	0.0× / 0.33
Wrecks · Kattegat	0	62	2	124	— / 0
Nav aids · Malacca Strait	0	62	2	290	0.0× / 0.33
Volcanic · North Pacific Oceanlong running	0	62	2	549	— / 0
Wrecks · Persian Gulf	0	62	2	35	0.0× / 0.33
Nav aids · Tasman Sea	0	62	2	349	0.0× / 0.33
Wrecks · Tyrrhenian Sealong running	0	62	2	648	0.0× / 0.33
Other · Indian Ocean	0	58.4	1	45	0.0× / 0.33
Cable ops · Mediterranean Sea - Eastern Basin	0	55.8	1	143	— / 0
Other · Gulf of Mexico	0	48.4	1	126	— / 0
Nav aids · Caribbean Sea	0	34.8	1	87	0.0× / 1
Nav aids · Adriatic Sealong running	0	31	1	496	— / 0
War risk · Adriatic Sealong running	0	31	1	473	— / 0
Wrecks · Adriatic Sea	0	31	1	168	— / 0
Nav aids · Bay of Bengal	0	31	1	300	— / 0
Wrecks · Coral Sea	0	31	1	63	— / 0
Incidents · English Channel	0	31	1	31	— / 0
Other · Gulf of California	0	31	1	126	— / 0
Nav aids · Gulf of Mexico	0	31	1	68	— / 0
Other · Malacca Strait	0	31	1	37	— / 0
Other · Mediterranean Sea - Eastern Basin	0	31	1	53	0.0× / 0.67
Wrecks · North Atlantic Oceanlong running	0	31	1	419	0.0× / 0.33
Surveys · North Pacific Ocean	0	31	1	128	— / 0
Other · Red Sealong running	0	31	1	1,697	— / 0
Wrecks · Red Sea	0	31	1	83	— / 0
Other · South Atlantic Ocean	0	31	1	69	— / 0
Other · South China Sea	0	31	1	342	— / 0
Structures · South China Sealong running	0	31	1	383	0.0× / 0.33
Nav aids · Timor Sea	0	31	1	188	— / 0
Surveys · South China Sea	0	30	0	—	— / 0
Wrecks · Gulf of Mexico	0	29.4	0	—	— / 0
Incidents · Mozambique Channel	0	27.4	0	—	— / 0
Cable ops · Norwegian Sea	0	25.9	0	—	— / 0
Nav aids · Andaman or Burma Sea	0	19.5	0	—	— / 0
Other · Persian Gulf	0	16.7	0	—	— / 0
Nav aids · South China Sea	0	16.7	0	—	— / 0
Ordnance · North Pacific Ocean	0	13.5	0	—	0.0× / 0.33
Other · Bay of Bengal	0	13.4	0	—	— / 0
Structures · Irish Sea and St. George's Channel	0	13.4	0	—	— / 0
Nav aids · Laccadive Sea	0	13.4	0	—	— / 0
Structures · South Pacific Ocean	0	13.4	0	—	— / 0
Cable ops · Arabian Sea	0	12	0	—	— / 0
Surveys · South Atlantic Ocean	0	9	0	—	— / 0
Other · Arabian Sea	0	6.7	0	—	— / 0
Ordnance · Philippine Sea	0	6.5	0	—	— / 0
Surveys · Persian Gulf	0	6.4	0	—	— / 0
Other · Singapore Strait	0	6.4	0	—	— / 0
Surveys · Ionian Sea	0	3	0	—	— / 0
Surveys · Ligurian Sea	0	0	0	—	0.0× / 0.33
Containers · North Atlantic Ocean	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-07, 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.