Location: 105 km ENE of Santa Monica, Philippines Period: 4 Sep 2012 00:50:53 - 4 Sep 2012 15:11:13 (14 hours 20 minutes) Volcanoes in 100km radius: None Earthquakes: 9 4 swarms found nearby. 2012 PS20120831.1(20.6km) 31 Aug 19 hours 15 earthquakes S20120901.1(9.2km) 31 Aug 1 day 10 hours 33 earthquakes 2019 PS20190208.1(94.5km) 8 Feb 9 hours 7 earthquakes PS20190426.1(90.9km) 26 Apr 15 hours 9 earthquakes