Location: off the coast of Oregon Period: 16 Jan 2003 00:53:15 - 16 Jan 2003 06:52:04 (5 hours 58 minutes) Volcanoes in 100km radius: East Blanco Depression(59km) Earthquakes: 6 6 swarms found nearby. 2007 PS20070728.1(63.2km) 27 Jul 22 hours 6 earthquakes 2008 PS20080717.1(31.6km) 17 Jul 4 hours 5 earthquakes 2015 PS20150602.1(75.7km) 1 Jun 19 hours 5 earthquakes 2021 PS20210429.2(71.1km) 29 Apr 33 minutes 5 earthquakes PS20211208.1(17.4km) 7 Dec 1 day 0 hours 17 earthquakes S20211208.1(28.5km) 7 Dec 2 days 1 hours 32 earthquakes