Location: 5km N of Big Bear City, CA Period: 21 Feb 2003 18:52:38 - 12 Mar 2003 07:08:41 (18 days 12 hours 16 minutes) Volcanoes in 100km radius: None Earthquakes: 615 3 swarms found nearby. 2001 S20010210.1(7.9km) 10 Feb 6 days 15 hours 116 earthquakes 2010 S20100607.1(2.7km) 7 Jun 3 days 11 hours 108 earthquakes 2016 S20160216.1(3.1km) 16 Feb 2 days 12 hours 55 earthquakes