Location: 22 km NW of Dellys, Algeria Period: 21 May 2003 19:17:17 - 25 May 2003 17:15:30 (3 days 21 hours 58 minutes) Volcanoes in 100km radius: None Earthquakes: 72 1 swarms found nearby. 2003 PS20030521.1(17.8km) 21 May 19 hours 9 earthquakes