Location: 42 km WNW of Valparaíso, Chile Period: 2 Jun 2003 02:52:11 - 5 Jun 2003 13:55:33 (3 days 11 hours 3 minutes) Volcanoes in 100km radius: None Earthquakes: 65 7 swarms found nearby. 2008 PS20081219.1(47.6km) 18 Dec 1 day 14 hours 8 earthquakes 2010 PS20100304.1(90.3km) 3 Mar 1 day 13 hours 7 earthquakes PS20100308.2(51.9km) 8 Mar 6 hours 6 earthquakes 2011 PS20110317.2(50.8km) 16 Mar 16 hours 5 earthquakes 2015 PS20150917.2(77.6km) 17 Sep 21 hours 9 earthquakes 2017 S20170423.1(7.2km) 22 Apr 5 days 22 hours 182 earthquakes PS20170428.1(35.5km) 28 Apr 2 hours 6 earthquakes