Sea Ledger, August 2002

2002-08-01 to 2002-08-31 · archive

issued: 363
warning-days in force: 6,243
in force at month end: 193
sea × type cells: 181

baseline: same month, previous 5 years (2001-08, 2000-08, 1999-08, 1998-08, 1997-08)

By type

type	issued	warning-days	in force at end
Incidents	65	1,497.1	42
Exercises	62	488.2	18
Cable ops	50	578.2	20
Quakes	36	111.3	2
Nav aids	31	1,307.9	41
Icebergs	25	149.9	7
Other	24	444.6	13
Derelicts	22	107.4	0
Surveys	22	433.6	17
Ordnance	12	144.4	4
Missiles	6	62	2
Containers	3	20	1
Volcanic	3	82.4	3
Debris	1	23.6	0
Towing	1	3.4	1
Wrecks	0	727.3	20
War risk	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 Ocean	26	93.7	4	41	1.2× / 21.2
Icebergs · Labrador Seasurge	18	103.1	6	36	30× / 0.6
Exercises · Black Seasurge	14	67	4	29	14× / 1
Exercises · North Atlantic Oceansurge	13	95.3	5	31	4.1× / 3.2
Quakes · South Pacific Ocean	13	39	0	—	1.4× / 9.4
Exercises · North Pacific Oceansurge	11	72.1	1	35	3.2× / 3.4
Other · Labrador Seanew	10	64.1	0	—	new / 0
Cable ops · Celtic Seasurge	9	71	2	46	7.5× / 1.2
Quakes · North Pacific Ocean	9	26.8	1	31	1.7× / 5.4
Incidents · North Pacific Ocean	8	357.9	7	77	1.1× / 7.4
Incidents · Coral Seasurge	8	17.9	0	—	2.7× / 3
Incidents · South China Seasurge	7	252.3	6	98	8.8× / 0.8
Incidents · South Pacific Oceansurge	7	110.6	4	71	2.9× / 2.4
Missiles · North Pacific Ocean	6	62	2	37	1.8× / 3.4
Exercises · Laccadive Seanew	6	37.9	1	36	new / 0
Derelicts · South Atlantic Oceansurge	6	10	0	—	6.0× / 1
Incidents · Philippine Seasurge	5	280.8	7	76	3.6× / 1.4
Icebergs · Southern Oceansurge	5	34.2	0	—	3.1× / 1.6
Surveys · South Atlantic Oceansurge	5	23.6	2	14	13× / 0.4
Nav aids · South Atlantic Ocean	4	126.7	4	60	1.0× / 4
Nav aids · North Atlantic Oceanlong running	4	97.6	4	735	1.3× / 3.2
Incidents · Indian Ocean	4	79.6	3	73	1.4× / 2.8
Nav aids · North Sealong running	4	65.2	2	678	1.2× / 3.4
Other · Yellow Seasurge	4	45.4	2	60	6.7× / 0.6
Incidents · North Atlantic Ocean	4	31.7	2	41	1.3× / 3.2
Nav aids · Inner Seas off the West Coast of Scotlandsurge	4	27.8	1	27	4.0× / 1
Derelicts · Mediterranean Sea - Eastern Basinsurge	4	22.4	0	—	20× / 0.2
Exercises · Arabian Seanew	4	15.8	2	29	new / 0
Incidents · South Atlantic Ocean	3	95.3	3	64	0.6× / 5
Volcanic · Philippine Seanew	3	82.4	3	344	new / 0
Nav aids · Tasman Sea	3	74	3	166	1.9× / 1.6
Surveys · English Channel	3	33.4	1	77	1.0× / 3
Cable ops · English Channel	3	20.3	1	28	1.9× / 1.6
Ordnance · North Atlantic Oceansurge	3	20.1	0	—	2.1× / 1.4
Ordnance · Greenland Seanew	3	8.3	0	—	new / 0
Other · Tasman Seanew	3	6.8	0	—	new / 0
Ordnance · Tyrrhenian Seasurge	3	6.2	0	—	5.0× / 0.6
Nav aids · English Channel	3	5.4	0	—	1.3× / 2.4
Nav aids · Coral Sealong running	2	94.1	3	863	1.4× / 1.4
Other · Japan Sea	2	64.7	2	35	2.5× / 0.8
Cable ops · Mediterranean Sea - Eastern Basin	2	54.3	2	64	5.0× / 0.4
Cable ops · North Atlantic Ocean	2	51.7	1	45	0.4× / 5.2
Incidents · Sulu Seanew	2	47.7	2	75	new / 0
Incidents · Mediterranean Sea - Eastern Basin	2	46	2	37	3.3× / 0.6
Incidents · Arabian Sea	2	37.1	1	60	5.0× / 0.4
Exercises · Mediterranean Sea - Eastern Basin	2	34.4	0	—	1.1× / 1.8
Incidents · Japan Sea	2	17.6	1	19	10× / 0.2
Cable ops · Yellow Seanew	2	15.7	2	10	new / 0
Other · Mediterranean Sea - Eastern Basin	2	14	2	113	10× / 0.2
Derelicts · Japan Seanew	2	13.2	0	—	new / 0
Icebergs · South Atlantic Ocean	2	12.6	1	36	0.8× / 2.4
Derelicts · Tasman Seanew	2	9	0	—	new / 0
Quakes · South Atlantic Ocean	2	7.6	0	—	1.4× / 1.4
Exercises · South Atlantic Ocean	2	7.6	0	—	5.0× / 0.4
Quakes · Philippine Sea	2	6.3	0	—	0.9× / 2.2
Quakes · Indian Ocean	2	6	0	—	0.9× / 2.2
Other · North Atlantic Ocean	2	5.3	2	2	1.4× / 1.4
Incidents · Bay of Bengalnew	2	5	0	—	new / 0
Nav aids · Mediterranean Sea - Western Basin	2	3.7	0	—	10× / 0.2
Surveys · Mediterranean Sea - Eastern Basin	2	3.2	1	3	2.5× / 0.8
Surveys · Bass Straitnew	2	1.9	0	—	new / 0
Surveys · North Sea	2	1.7	0	—	0.4× / 4.6
Cable ops · Eastern China Sea	1	85.5	2	58	0.4× / 2.4
Nav aids · South Pacific Ocean	1	82.6	3	277	0.5× / 2
Nav aids · Tyrrhenian Sealong running	1	75	2	494	0.5× / 2.2
Exercises · Aegean Sea	1	64.4	3	240	0.8× / 1.2
Surveys · Mediterranean Sea - Western Basin	1	55.5	2	130	1.7× / 0.6
Surveys · Eastern China Sea	1	45.3	2	70	new / 0
Surveys · Persian Gulf	1	41.4	2	32	new / 0
Exercises · Malacca Strait	1	34.3	1	35	5.0× / 0.2
Nav aids · Irish Sea and St. George's Channellong running	1	33.5	1	850	0.6× / 1.8
Cable ops · Black Sea	1	32	1	54	1.0× / 1
Cable ops · Bay of Bengal	1	29.4	1	38	2.5× / 0.4
Other · North Pacific Ocean	1	27.3	0	—	1.7× / 0.6
Nav aids · Arabian Sea	1	22	1	32	1.3× / 0.8
Surveys · Bay of Biscay	1	20.7	1	31	new / 0
Exercises · Norwegian Sea	1	17.4	1	17	new / 0
Cable ops · Japan Sea	1	16.4	1	16	new / 0
Exercises · Red Sea	1	16.1	0	—	new / 0
Incidents · Andaman or Burma Sea	1	15.5	1	15	new / 0
Surveys · Philippine Sea	1	14.4	1	14	1.7× / 0.6
Incidents · Adriatic Sea	1	14.1	1	14	new / 0
Surveys · Ionian Sea	1	12.5	0	—	new / 0
Incidents · Tyrrhenian Sea	1	12.2	1	63	1.7× / 0.6
Derelicts · North Atlantic Ocean	1	10.3	0	—	1.0× / 1
Surveys · Celtic Sea	1	9.9	0	—	0.2× / 5.2
Ordnance · Tasman Sea	1	9.4	1	9	new / 0
Exercises · Japan Sea	1	8.9	0	—	2.5× / 0.4
Containers · North Atlantic Ocean	1	7.1	0	—	5.0× / 0.2
Exercises · Persian Gulf	1	7	0	—	new / 0
Derelicts · Caribbean Sea	1	6.9	0	—	2.5× / 0.4
Containers · Tasman Sea	1	6.7	1	6	new / 0
Derelicts · Tyrrhenian Sea	1	6.7	0	—	2.5× / 0.4
Derelicts · Arafura Sea	1	6.5	0	—	new / 0
Derelicts · Bay of Bengal	1	6.4	0	—	new / 0
Containers · Mozambique Channel	1	6.2	0	—	new / 0
Derelicts · Gulf of Mexico	1	6.1	0	—	new / 0
Nav aids · Alboran Sea	1	5.1	1	5	5.0× / 0.2
Exercises · Ionian Sea	1	4.9	0	—	0.7× / 1.4
Quakes · Banda Sea	1	4.8	0	—	0.5× / 2.2
Derelicts · South Pacific Ocean	1	4	0	—	1.0× / 1
Exercises · Bay of Bengal	1	3.9	0	—	1.7× / 0.6
Ordnance · Persian Gulf	1	3.7	0	—	1.7× / 0.6
Ordnance · Philippine Sea	1	3.7	0	—	5.0× / 0.2
Towing · Sea of Marmara	1	3.4	1	3	new / 0
Surveys · Tyrrhenian Sea	1	3.1	1	3	1.7× / 0.6
Quakes · Arabian Sea	1	3	0	—	2.5× / 0.4
Quakes · Coral Sea	1	3	0	—	0.4× / 2.6
Quakes · Gulf of Tomini	1	3	0	—	2.5× / 0.4
Quakes · Java Sea	1	3	0	—	5.0× / 0.2
Quakes · Solomon Sea	1	3	0	—	0.8× / 1.2
Quakes · Southern Ocean	1	3	0	—	5.0× / 0.2
Derelicts · English Channel	1	2.9	0	—	5.0× / 0.2
Quakes · Bismarck Sea	1	2.8	1	2	0.7× / 1.4
Cable ops · Gulf of Oman	1	2.2	0	—	new / 0
Cable ops · Tyrrhenian Sea	1	2.2	0	—	5.0× / 0.2
Debris · Celtic Sea	1	2.1	0	—	new / 0
Exercises · Andaman or Burma Sea	1	0.9	0	—	new / 0
Incidents · Southern Ocean	1	0.9	0	—	new / 0
Exercises · Celtic Sea	1	0.3	0	—	new / 0
Incidents · Ionian Sea	1	0.3	0	—	new / 0
Incidents · Bali Sea	1	0.2	0	—	new / 0
Incidents · Bass Strait	1	0.2	0	—	new / 0
Incidents · Aegean Sea	1	0	0	—	new / 0
Incidents · Tasman Sea	1	0	0	—	1.7× / 0.6
Nav aids · Persian Gulf	0	128	3	270	0.0× / 1.4
Wrecks · English Channellong running	0	123.5	3	1,158	— / 0
Wrecks · North Sealong running	0	93	3	436	0.0× / 0.2
Surveys · North Atlantic Ocean	0	76	2	99	0.0× / 2.6
Wrecks · Coral Sealong running	0	67.5	2	572	— / 0
Nav aids · Celtic Sealong running	0	64.2	2	508	0.0× / 2.6
Other · North Sealong running	0	64.2	2	880	0.0× / 2.6
Wrecks · Baltic Sealong running	0	62	2	610	— / 0
War risk · Persian Gulf	0	62	2	211	— / 0
Wrecks · South China Sea	0	62	2	338	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	569	— / 0
Wrecks · Irish Sea and St. George's Channellong running	0	61.5	1	789	— / 0
Nav aids · Skagerraklong running	0	41.5	1	424	— / 0
Wrecks · Mediterranean Sea - Eastern Basin	0	40.8	0	—	— / 0
Cable ops · South China Sea	0	33.5	1	133	0.0× / 2.4
Nav aids · Adriatic Sealong running	0	31	1	456	0.0× / 0.4
Other · Bass Strait	0	31	1	148	— / 0
Wrecks · Celtic Sea	0	31	1	288	— / 0
Nav aids · Eastern China Sealong running	0	31	1	677	— / 0
Other · Greenland Sealong running	0	31	1	738	0.0× / 0.2
Surveys · Gulf of Oman	0	31	1	44	— / 0
Nav aids · Gulf of Suez	0	31	1	177	0.0× / 0.8
Ordnance · Indian Ocean	0	31	1	212	0.0× / 0.2
Nav aids · Ionian Sea	0	31	1	81	0.0× / 0.2
Wrecks · Kattegatlong running	0	31	1	558	— / 0
Ordnance · Ligurian Sea	0	31	1	195	— / 0
Wrecks · Makassar Strait	0	31	1	81	— / 0
Nav aids · Malacca Strait	0	31	1	127	— / 0
Ordnance · North Pacific Ocean	0	31	1	324	— / 0
Wrecks · North Pacific Ocean	0	31	1	59	— / 0
Cable ops · Persian Gulf	0	31	1	35	0.0× / 1.4
Other · Persian Gulf	0	31	1	112	0.0× / 0.2
Incidents · Persian Gulf	0	31	1	131	0.0× / 0.6
Nav aids · Red Sea	0	31	1	166	0.0× / 0.4
Nav aids · Savu Sea	0	31	1	179	— / 0
Surveys · Sea of Okhotsk	0	31	1	61	0.0× / 0.2
Nav aids · Singapore Strait	0	31	1	247	0.0× / 0.4
Wrecks · Skagerraklong running	0	31	1	661	— / 0
Nav aids · Solomon Sea	0	31	1	188	0.0× / 0.2
Cable ops · Sulu Sea	0	31	1	32	— / 0
Nav aids · Timor Sealong running	0	31	1	949	0.0× / 0.2
Incidents · Gulf of Guinea	0	30.5	0	—	0.0× / 0.2
Surveys · South Pacific Ocean	0	29	0	—	— / 0
Other · Sea of Marmara	0	28	0	—	0.0× / 0.2
Nav aids · South China Sea	0	26.5	0	—	— / 0
Nav aids · Mediterranean Sea - Eastern Basin	0	25	0	—	0.0× / 0.4
Other · South Atlantic Ocean	0	22.4	0	—	0.0× / 0.4
Debris · Yellow Sea	0	21.5	0	—	— / 0
Incidents · Bismarck Sea	0	10.5	0	—	— / 0
Other · Arabian Sea	0	9.4	0	—	— / 0
Cable ops · Bass Strait	0	4.6	0	—	0.0× / 0.2
Cable ops · North Sea	0	3.7	0	—	0.0× / 3.8
Derelicts · South China Sea	0	3	0	—	— / 0
Incidents · Gulf of Thailand	0	2.2	0	—	— / 0
Derelicts · Mediterranean Sea - Western Basin	0	0	0	—	— / 0
Debris · North Atlantic Ocean	0	0	0	—	0.0× / 0.6

Cite: seahazards.com Sea Ledger, 2002-08, 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.