Hurd's Deep (or Hurd Deep) is an underwater valley in the English Channel, northwest of the Channel Islands. Its maximum depth is about 180 m (590 ft; 98 fathoms), making it the deepest point in the English Channel. The feature was named after the British Royal Naval Captain Thomas Hurd (1747–1823), who was the second Hydrographer of the Navy.

…feet (172 metres) in the Hurd Deep, is one of a group of anomalous deep, enclosed troughs in the bed of the western channel. The channel has been shaped by the effect upon its rock strata (with their varying degrees of hardness) of such forces as weathering and erosion (when…

1970年8月22日 · THE Hurd Deep, the largest deep in the English Channel, is a linear depression about 95 miles (150 km) long, 1–3 miles (1.5–5 km) wide and about 30–50 fathoms (55–90 m) deeper than the adjacent...

2007年7月19日 · This network extends westwards from the Strait of Dover, collecting the drainages of southern England and northern France before eventually amalgamating to form a single prominent valley, the...

2024年7月24日 · 170-metres down in the deepest part of the English Channel lurks a radioactive legacy. Hurd’s Deep has been the scene of a couple of maritime disasters but has also proved a useful hidden trench for the British government to dump its spent ordnance.

In size and geometry, the Hurd Deep is a unique feature in the English Channel, terminating abruptly at its western end. It is incised into Jurassic and Late Cretaceous sediments. Except for the trough itself, the sea floor is extensively levelled at a depth between 70 and 90 m.

THE Hurd Deep, the largest deep in the English Channel, is a linear depression about 95 miles (150 km) long, 1-3 miles (1.5-5 km) wide and about 30-50 fathoms (55-90 m) deeper than the adjacent sea floor.

Lericolais, G.; Guennoc, P.; Auffret, J.P.; Bourillet, J.F.; Berne, S. 1996: Detailed survey of the western end of the Hurd Deep (English Channel); new facts for a tectonic origin Geological Society Special Publications: 203-215

1985年3月1日 · The Hurd Deep presents a pattern which resembles down stream "back filling" from an upstream cutting edge which retreated up Channel. The sediment infill of the Hurd Deep is concentrated in the west and is comprised of a series of large lenses (Hamilton and Smith, 1972} while the smallest fill in the Deep is nearer to its eastern limit.

1989年1月1日 · In the western province there are a number of deeps---the losses of the French. By far the largest of these features is the Hurd Deep which is more than 100km long, as defined by the 100 m isobath, several kilometres wide and presently nearly 200 m deep near its eastern end (Figs 7 & 8).