Could it be Santa Claus who fell from his sleigh? An earthquake was felt during the night of December 24 to 25 in the Doubs and the Territoire de Belfort.
The epicenter is located near Damvant in Switzerland, about twenty kilometers from Montbéliard according to the national seismicity information site.
The recorded magnitude is 4.1. The earthquake does not appear to have done any damage.