Location: 2 km NNE of Lafayette, California Period: 1 Mar 2007 12:21:59 - 3 Mar 2007 11:25:29 (1 day 23 hours 3 minutes) Volcanoes in 100km radius: None Earthquakes: 32 5 swarms found nearby. 2003 S20031011.1(9.1km) 11 Oct 1 day 21 hours 35 earthquakes 2009 S20090609.1(8.8km) 8 Jun 2 days 7 hours 44 earthquakes S20090728.1(13.0km) 27 Jul 12 hours 24 earthquakes 2018 S20180223.1(13.0km) 22 Feb 2 days 9 hours 38 earthquakes 2019 S20191015.1(5.6km) 15 Oct 1 day 2 hours 52 earthquakes