2002 Eastern Mediterranean event
The 2002 Eastern Mediterranean Event was a high-energy upper atmosphere explosion over the Mediterranean Sea, around 34°N 21°E (between Libya and Crete) on June 6, 2002. This explosion, similar in power to a small atomic bomb, has been related to a small asteroid undetected while approaching Earth.
Source: Wikipedia — 2002 Eastern Mediterranean event (CC BY-SA 4.0)