Location: 11 km NNE of Aïn Taya, Algeria Period: 21 May 2003 18:44:20 - 22 May 2003 13:57:20 (19 hours 13 minutes) Volcanoes in 100km radius: None Earthquakes: 9 4 swarms found nearby. 2003 S20030522.2(22.4km) 21 May 2 days 23 hours 60 earthquakes S20030521.1(17.8km) 21 May 3 days 21 hours 72 earthquakes S20030522.3(37.6km) 21 May 2 days 10 hours 42 earthquakes S20030522.1(41.9km) 21 May 23 hours 25 earthquakes