Location: 50 km SW of Valparaíso, Chile Period: 27 Feb 2010 06:47:23 - 3 Mar 2010 01:51:20 (3 days 19 hours 3 minutes) Volcanoes in 100km radius: None Earthquakes: 62 8 swarms found nearby. 2010 PS20100227.1(27.2km) 27 Feb 15 hours 22 earthquakes PS20100227.4(73.6km) 27 Feb 7 hours 11 earthquakes PS20100305.1(30.0km) 4 Mar 1 day 22 hours 7 earthquakes PS20100308.1(90.7km) 7 Mar 19 hours 6 earthquakes PS20100311.1(80.1km) 11 Mar 2 days 16 hours 21 earthquakes 2019 S20190930.1(95.6km) 29 Sep 23 hours 28 earthquakes 2021 PS20210419.1(92.2km) 19 Apr 10 hours 5 earthquakes S20210421.1(84.8km) 20 Apr 4 days 0 hours 68 earthquakes