Kent coastline of Kent is continuously changing, due to tectonic uplift and coastal erosion. Until about 960, the Isle of Thanet was an island, separated by the Wantsum channel, formed around a deposit of chalk; over time, the channels silted up with alluvium. Similarly Romney Marsh and Dungeness have been formed by accumulation of alluvium. Kent's principal river, the River Medway, rises near East Grinstead in Sussex and flows eastwards to Maidstone. Here it turns north and breaks through the North Downs at Rochester, then joins the estuary of the River Thames as its final tributary near Sheerness. The Medway is
KMFM Maidstone KMFM Maidstone KMFM Maidstone is an Independent Local Radio serving the town of Maidstone and the surrounding areas in Kent, South East England. It is the Maidstone region of the KMFM radio network (owned by the KM Group), containing local advertisements and sponsorships for the area amongst a countywide schedule of programming. The station began life as a public broadcast of Maidstone Hospital Radio, operated in the early 1990s under a Restricted Service Licence. Timed to coincide with the town's annual river festival, the service was known as Maidstone Festival Radio. Following a disagreement with the NHS Trust that operated