Location: OFFSHORE VALPARAISO, CHILE Period: 27 Apr 2017 21:17:32 - 30 Apr 2017 08:47:17 (2 days 11 hours 29 minutes) Volcanoes in 100km radius: None Earthquakes: 41 7 swarms found nearby. 2008 PS20081219.1(66.9km) 18 Dec 1 day 14 hours 8 earthquakes 2010 PS20100304.1(70.2km) 3 Mar 1 day 13 hours 7 earthquakes PS20100308.2(66.6km) 8 Mar 6 hours 6 earthquakes 2011 PS20110317.2(67.9km) 16 Mar 16 hours 5 earthquakes 2015 PS20150917.2(97.8km) 17 Sep 21 hours 9 earthquakes 2017 PS20170428.1(18.0km) 28 Apr 2 hours 6 earthquakes 2021 PS20210419.1(98.1km) 19 Apr 10 hours 5 earthquakes