Alistair Bruce-Ball, a BBC sports journalist, tweeted: "Just experienced minor earthquake in Zagreb.
"Stadium shook. Arsenal here for start of their Champs Lge Grp tmw.
"Maksimir stadium still standing. Tremor measured at 3.2 apparently."
The earthquake's magnitude and timing was reported by the EMSC, a not-for-profit scientific organisation based in Paris.
just felt my first #earthquake in my life #zagreb.
— Stijn Heuvinck (@StijnHeuvinck) September 15, 2015
Minor #earthquake (#potres) shakes Croatia 5 min ago. Effects derived from witnesses' reports: pic.twitter.com/9MliXNsLIVZagreb is the largest city and the capital of Croatia.
— EMSC (@LastQuake) September 15, 2015
Comment: Is this seismic event nature reflecting back the human chaos currently evident is this part of the world at the moment? Croatian police say 5,650 migrants have entered Croatia so far