Courtesy: The Lusitania, by Colin Simpson, Little, Brown and Company, c1972.
The dot approximates the location of the Lusitania when it was torpedoed by the German submarine, U-20, on Friday, 7 May 1915, at 14:10 GMT. The wreck lies approximately 7 miles (11 km) off the Old Head of Kinsale Lighthouse in 300 feet (91 m) of water.