Location: 103 km NE of Santa Monica, Philippines Period: 31 Aug 2012 13:05:15 - 1 Sep 2012 23:55:34 (1 day 10 hours 50 minutes) Volcanoes in 100km radius: None Earthquakes: 33 3 swarms found nearby. 2012 PS20120831.1(24.9km) 31 Aug 19 hours 15 earthquakes PS20120904.1(9.2km) 4 Sep 14 hours 9 earthquakes 2019 PS20190426.1(97.9km) 26 Apr 15 hours 9 earthquakes