 It was seen from a large area extending outwards in all directions from the Oslofjord area, in north limited to roughly Lake Mjøsa, in east from Årjäng, Sweden, and in the southwest to the coast area of Sørlandet.Over Rygge and Moss a loud explosion and a rumbling sound was heard.A man near his summer cabin in Rygge saw and heard a small piece of stone hit an aluminium sheet about 2 meter away.