Location: 136 km ESE of Nikolski, Alaska Period: 13 Oct 2009 05:42:37 - 19 Oct 2009 18:19:04 (6 days 12 hours 36 minutes) Volcanoes in 100km radius: None Earthquakes: 187 2 swarms found nearby. 2009 PS20091013.1(16.7km) 13 Oct 14 hours 5 earthquakes 2022 PS20220111.1(88.0km) 11 Jan 3 hours 8 earthquakes