Location: 5km SSE of Loma Linda, CA Period: 27 Jun 2003 23:18:11 - 28 Jun 2003 22:22:28 (23 hours 4 minutes) Volcanoes in 100km radius: None Earthquakes: 25 6 swarms found nearby. 2010 S20100214.1(10.5km) 13 Feb 12 days 3 hours 213 earthquakes 2013 S20131109.2(2.8km) 8 Nov 1 day 16 hours 33 earthquakes 2014 S20140703.1(6.1km) 3 Jul 10 days 3 hours 258 earthquakes 2017 S20170910.1(6.2km) 9 Sep 3 days 12 hours 53 earthquakes 2020 S20200523.1(5.9km) 22 May 2 days 15 hours 44 earthquakes 2025 S20251017.1(1.9km) 16 Oct 2 days 2 hours 31 earthquakes