Sea Ledger, June 2002

2002-06-01 to 2002-06-30 · archive

issued: 362
warning-days in force: 5,536
in force at month end: 179
sea × type cells: 178

baseline: same month, previous 5 years (2001-06, 2000-06, 1999-06, 1998-06, 1997-06)

By type

type	issued	warning-days	in force at end
Cable ops	83	670.4	23
Exercises	65	446.3	13
Incidents	59	1,043.4	39
Nav aids	37	1,263.1	36
Quakes	32	95.9	2
Other	22	496.9	17
Derelicts	18	120.2	3
Surveys	12	375.3	12
Icebergs	10	37.3	0
Debris	9	16.2	1
Ordnance	7	122.2	5
Missiles	5	60	2
Containers	2	14.2	0
Wrecks	1	619.5	21
War risk	0	60	2
Structures	0	30	1
Spills	0	5	0
Volcanic	0	60	2

By sea and type · 178 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	32	124.5	4	31	1.6× / 19.8
Cable ops · Celtic Seasurge	18	59.8	1	34	4.3× / 4.2
Incidents · South Pacific Oceansurge	10	147.6	5	71	7.1× / 1.4
Exercises · North Atlantic Oceansurge	10	72.7	2	93	2.0× / 5
Exercises · Arabian Seanew	9	32.9	2	30	new / 0
Quakes · South Pacific Ocean	9	24.1	1	24	1.0× / 9
Debris · North Atlantic Oceansurge	9	16.2	1	16	23× / 0.4
Incidents · Coral Seasurge	9	3.4	0	—	4.1× / 2.2
Exercises · Laccadive Seanew	8	44.2	2	33	new / 0
Cable ops · North Atlantic Ocean	8	27.8	0	—	1.1× / 7.2
Icebergs · North Atlantic Oceansurge	8	8	0	—	6.7× / 1.2
Incidents · North Pacific Ocean	7	218.6	8	70	1.5× / 4.8
Nav aids · South Atlantic Ocean	7	128.1	2	115	1.5× / 4.8
Cable ops · English Channelsurge	7	60.6	2	31	5.8× / 1.2
Incidents · South Atlantic Oceansurge	7	40.1	1	45	2.5× / 2.8
Quakes · North Pacific Ocean	7	23.3	0	—	1.5× / 4.6
Exercises · Black Seasurge	6	49.6	1	30	5.0× / 1.2
Exercises · North Pacific Ocean	6	32	1	32	1.7× / 3.6
Missiles · North Pacific Ocean	5	60	2	34	1.4× / 3.6
Exercises · Mediterranean Sea - Eastern Basinsurge	5	52.1	1	31	2.5× / 2
Incidents · Philippine Seasurge	4	130.2	4	51	2.5× / 1.6
Nav aids · North Atlantic Oceansurgelong running	4	95.5	3	673	2.9× / 1.4
Cable ops · Aegean Seanew	4	59.3	3	27	new / 0
Other · Bass Straitnew	4	52.5	1	86	new / 0
Surveys · English Channel	4	40.9	2	24	1.4× / 2.8
Incidents · North Atlantic Ocean	4	38.1	2	47	1.0× / 4
Nav aids · Celtic Seasurgelong running	4	35.5	1	446	2.0× / 2
Exercises · Mediterranean Sea - Western Basin	4	20.9	0	—	1.4× / 2.8
Quakes · Coral Seasurge	4	12.5	1	31	5.0× / 0.8
Exercises · South Pacific Oceansurge	4	7.4	0	—	10× / 0.4
Incidents · Indian Ocean	3	89.3	4	42	1.4× / 2.2
Nav aids · North Sealong running	3	65	2	616	1.1× / 2.8
Nav aids · Irish Sea and St. George's Channellong running	3	51.8	1	788	1.5× / 2
Other · Yellow Seasurge	3	42.1	2	34	15× / 0.2
Derelicts · Timor Seanew	3	17.5	1	24	new / 0
Other · South Atlantic Oceansurge	3	17.3	0	—	7.5× / 0.4
Derelicts · Laccadive Seanew	3	13.2	1	19	new / 0
Cable ops · Bass Straitnew	3	12	1	38	new / 0
Quakes · Indian Ocean	3	9	0	—	0.8× / 3.6
Nav aids · English Channel	3	6	0	—	1.3× / 2.4
Exercises · Celtic Seanew	3	1.3	0	—	new / 0
Incidents · Mediterranean Sea - Eastern Basin	2	130	4	71	10× / 0.2
Nav aids · Coral Sealong running	2	114.1	3	801	1.0× / 2
Other · North Sealong running	2	108.6	3	818	3.3× / 0.6
Nav aids · Persian Gulf	2	101.9	4	208	3.3× / 0.6
Surveys · North Atlantic Ocean	2	69	2	45	5.0× / 0.4
Other · Japan Sea	2	62.7	2	33	5.0× / 0.4
Incidents · Tyrrhenian Seanew	2	29.6	2	28	new / 0
Nav aids · Ionian Seanew	2	23.5	1	19	new / 0
Cable ops · Arabian Sea	2	20.8	2	17	10× / 0.2
Cable ops · Mediterranean Sea - Eastern Basin	2	15.4	1	65	2.5× / 0.8
Exercises · Bay of Bengal	2	11.7	0	—	2.5× / 0.8
Derelicts · Caribbean Sea	2	9.4	0	—	10× / 0.2
Cable ops · Irish Sea and St. George's Channel	2	9.3	0	—	5.0× / 0.4
Derelicts · Indian Ocean	2	8.4	0	—	5.0× / 0.4
Derelicts · Arabian Sea	2	8.3	0	—	3.3× / 0.6
Derelicts · South Pacific Ocean	2	7	1	9	2.5× / 0.8
Quakes · North Atlantic Ocean	2	6	0	—	1.4× / 1.4
Quakes · South Atlantic Ocean	2	6	0	—	1.7× / 1.2
Ordnance · Persian Gulf	2	2.7	0	—	2.0× / 1
Other · North Atlantic Ocean	2	2	0	—	0.8× / 2.6
Incidents · Great Australian Bightnew	2	0.6	0	—	new / 0
Incidents · South China Sea	1	90.4	3	36	1.7× / 0.6
Cable ops · South China Sea	1	68.5	3	71	0.5× / 2
Nav aids · Tyrrhenian Sealong running	1	62.7	2	432	0.7× / 1.4
Nav aids · South Pacific Ocean	1	48.6	1	215	1.0× / 1
Cable ops · Black Sea	1	46.3	2	63	new / 0
Nav aids · Skagerrak	1	46.2	2	362	new / 0
Surveys · North Sea	1	41.3	0	—	0.3× / 3.4
Other · Mediterranean Sea - Eastern Basin	1	36.3	2	51	1.7× / 0.6
Other · South China Sea	1	31.3	1	94	new / 0
Nav aids · Inner Seas off the West Coast of Scotland	1	31.1	1	110	0.6× / 1.8
Surveys · Gulf of Aqaba	1	26.6	1	26	new / 0
Nav aids · Great Australian Bight	1	26.4	0	—	5.0× / 0.2
Exercises · Tyrrhenian Sea	1	24.5	0	—	1.0× / 1
Cable ops · Philippine Sea	1	22.5	0	—	new / 0
Incidents · Gulf of Guinea	1	21.8	0	—	new / 0
Wrecks · Makassar Strait	1	19.5	1	19	new / 0
Cable ops · Balearic (Iberian Sea)	1	19.4	1	19	2.5× / 0.4
Icebergs · Southern Ocean	1	18.9	0	—	1.3× / 0.8
Other · Gulf of Suez	1	18.5	1	60	new / 0
Cable ops · Persian Gulf	1	18.4	1	18	0.7× / 1.4
Incidents · Bay of Bengal	1	16.5	1	16	5.0× / 0.2
Exercises · Ionian Sea	1	15	0	—	0.8× / 1.2
Incidents · Sulu Sea	1	13.3	1	13	new / 0
Ordnance · North Sea	1	11.9	1	11	new / 0
Other · North Pacific Ocean	1	11.8	1	11	1.3× / 0.8
Incidents · Gulf of Thailand	1	11.7	1	11	new / 0
Incidents · Arabian Sea	1	11.6	1	11	2.5× / 0.4
Icebergs · Indian Ocean	1	10.4	0	—	5.0× / 0.2
Surveys · Eastern China Sea	1	9	1	8	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	1	9	0	—	new / 0
Surveys · Gulf of Suez	1	8.5	1	8	new / 0
Nav aids · Arabian Sea	1	7.5	1	7	new / 0
Derelicts · Persian Gulf	1	7	0	—	new / 0
Containers · Tasman Sea	1	7	0	—	new / 0
Containers · North Atlantic Ocean	1	6.8	0	—	1.3× / 0.8
Incidents · Bismarck Sea	1	6.7	1	6	5.0× / 0.2
Exercises · Arctic Ocean	1	6.1	0	—	new / 0
Ordnance · Tyrrhenian Sea	1	6.1	0	—	0.7× / 1.4
Exercises · Southern Ocean	1	4.6	0	—	new / 0
Surveys · North Pacific Ocean	1	4.5	1	4	new / 0
Ordnance · Philippine Sea	1	4.5	1	4	1.3× / 0.8
Ordnance · Gulf of Thailand	1	3.9	0	—	new / 0
Exercises · Malacca Strait	1	3.6	1	3	new / 0
Ordnance · North Atlantic Ocean	1	3.1	0	—	0.4× / 2.4
Quakes · Bismarck Sea	1	3	0	—	1.3× / 0.8
Quakes · Caribbean Sea	1	3	0	—	2.5× / 0.4
Quakes · Celebes Sea	1	3	0	—	new / 0
Quakes · Makassar Strait	1	3	0	—	new / 0
Quakes · Philippine Sea	1	3	0	—	0.2× / 4.2
Surveys · Bay of Biscay	1	2.5	0	—	5.0× / 0.2
Exercises · Gulf of Mexico	1	2.4	0	—	5.0× / 0.2
Derelicts · Celtic Sea	1	2.1	0	—	new / 0
Exercises · South Atlantic Ocean	1	1.9	0	—	1.7× / 0.6
Other · Irish Sea and St. George's Channel	1	0.9	1	0	new / 0
Exercises · Bering Sea	1	0.4	1	0	new / 0
Other · Coral Sea	1	0.4	0	—	new / 0
Derelicts · Coral Sea	1	0.3	0	—	new / 0
Incidents · Timor Sea	1	0.3	0	—	5.0× / 0.2
Nav aids · Bass Strait	1	0.1	0	—	1.7× / 0.6
Incidents · Tasman Sea	1	0.1	0	—	1.7× / 0.6
Wrecks · English Channellong running	0	120	4	1,096	0.0× / 0.4
Wrecks · North Sealong running	0	90	3	374	0.0× / 0.8
Exercises · Aegean Sea	0	60	2	178	0.0× / 4.2
Wrecks · Baltic Sealong running	0	60	2	548	— / 0
Wrecks · Coral Sealong running	0	60	2	510	— / 0
Wrecks · Irish Sea and St. George's Channellong running	0	60	2	727	0.0× / 0.4
War risk · Persian Gulf	0	60	2	149	0.0× / 0.8
Volcanic · Philippine Sea	0	60	2	282	— / 0
Wrecks · South China Sea	0	60	2	276	— / 0
Wrecks · Tyrrhenian Sealong running	0	60	2	507	— / 0
Cable ops · Eastern China Sea	0	50	1	33	0.0× / 2.2
Surveys · Indian Ocean	0	49.4	1	98	— / 0
Nav aids · Mozambique Channel	0	40.4	0	—	— / 0
Other · Persian Gulf	0	31	1	60	0.0× / 0.2
Nav aids · Adriatic Sealong running	0	30	1	394	0.0× / 0.2
Cable ops · Bay of Bengal	0	30	1	137	0.0× / 0.6
Other · Black Sea	0	30	1	121	— / 0
Wrecks · Celtic Sea	0	30	1	226	— / 0
Nav aids · Eastern China Sealong running	0	30	1	615	— / 0
Other · Greenland Sealong running	0	30	1	676	— / 0
Nav aids · Gulf of Mexico	0	30	1	45	— / 0
Nav aids · Gulf of Suez	0	30	1	115	0.0× / 0.8
Ordnance · Indian Ocean	0	30	1	150	— / 0
Wrecks · Kattegatlong running	0	30	1	496	— / 0
Ordnance · Ligurian Sea	0	30	1	133	— / 0
Nav aids · Malacca Strait	0	30	1	65	— / 0
Surveys · Mediterranean Sea - Western Basin	0	30	1	68	0.0× / 0.6
Ordnance · North Pacific Ocean	0	30	1	262	0.0× / 0.6
Incidents · Persian Gulf	0	30	1	69	0.0× / 0.2
Nav aids · Red Sea	0	30	1	104	— / 0
Nav aids · Savu Sea	0	30	1	117	— / 0
Nav aids · Singapore Strait	0	30	1	185	0.0× / 0.4
Wrecks · Skagerraklong running	0	30	1	599	— / 0
Nav aids · Solomon Sea	0	30	1	126	0.0× / 0.2
Surveys · South Atlantic Ocean	0	30	1	33	0.0× / 0.8
Nav aids · South China Sealong running	0	30	1	377	0.0× / 0.8
Structures · South China Sea	0	30	1	232	— / 0
Surveys · South Pacific Ocean	0	30	1	71	— / 0
Nav aids · Tasman Sea	0	30	1	104	0.0× / 0.2
Nav aids · Timor Sealong running	0	30	1	887	0.0× / 0.2
Derelicts · South China Sea	0	21.5	0	—	— / 0
Other · Tyrrhenian Sea	0	21.5	0	—	0.0× / 0.6
Nav aids · Bristol Channel	0	18.7	0	—	0.0× / 0.8
Surveys · Mediterranean Sea - Eastern Basin	0	15.9	0	—	— / 0
Cable ops · Tasman Sea	0	15.1	0	—	0.0× / 1.8
Incidents · Celtic Sea	0	13.5	0	—	0.0× / 0.6
Derelicts · North Atlantic Ocean	0	13.5	0	—	0.0× / 1.4
Surveys · South China Sea	0	11.7	0	—	0.0× / 0.2
Cable ops · North Pacific Ocean	0	10	0	—	0.0× / 0.2
Surveys · Ionian Sea	0	6	0	—	0.0× / 0.2
Spills · North Pacific Ocean	0	5	0	—	0.0× / 0.6
Exercises · Philippine Sea	0	3	0	—	— / 0
Derelicts · North Pacific Ocean	0	2	0	—	0.0× / 0.4
Derelicts · English Channel	0	1	0	—	0.0× / 0.2
Cable ops · Bay of Biscay	0	0.7	0	—	— / 0
Containers · Celtic Sea	0	0.4	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2002-06, 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.