A specialist from one such private company, Zetica UXO, told the BBC that since World War Two "45,000 unexploded bombs have been found and more are being found all the time". Official records, which can often be understated, predicted around "200,000 plus bombs were detonated" during the war said Mike Sainsbury.

How many World War 2 bombs are found each year?

Every year, an estimated 2,000 tons of World War II munitions are found in Germany, at times requiring the evacuation of tens of thousands of residents from their homes. In Berlin alone, 1.8 million pieces of ordnance have been defused since 1947.

Can ww2 mines still explode?

A WWII-era sea mine could definitely explode. Mines used in more recent wars are often set to deactivate, with clocks that can either interrupt the firing circuit or detonate the mine, but older models have no such “off” switch. ... Sea mines are larger and much more expensive than land mines.