Five ethnic-Macedonian civilians were shot Use_firearm and killed Killing at a man-made lake near the village of Smilkovci , outside the Macedonian capital Skopje .

The total insured loss was about £1.7 billion ( $ 3.4 billion ) , making it one of the costliest man-made catastrophes ever .

The blast was the largest man-made explosion Catastrophe at the time , releasing Causation the equivalent energy of roughly .

The collapse Destroying of a section of the double-deck Nimitz Freeway in Oakland was the site of the largest number of casualties Catastrophe for the event Earnings_and_losses , but the collapse Destroying of man-made structures and other related accidents Catastrophe contributed Causation to casualties Killing occurring Presence in San Francisco , Los Altos , and Santa Cruz .