For some those munitions are a bit closer
Wreck of the Richard Montgomery - still with 3000 T of USAAF munitions aboard
The wreck lies just a few hundred yards offshore between an oil refinery and the several towns. Southend on Sea is just a couple of miles away on the other side of the Thames estuary.
http://www.gnometech.freeserve.co.uk...ontgomery.html
http://www.ssrichardmontgomery.com/