Last updated October 4th, 2019
- 13 Mar 2017 22:06:54 PDT, (34.038, -117.238), depth 17.6km, 2km ESE of Loma Linda, California
- Aftershocks: so far (14 Mar 2017, 08:25AM PDT) there have been 2 aftershocks recorded, the largest M0.9 (smallest M0.9). More may be expected in the next few days, the largest expected is approximately 1 magnitude unit smaller than the mainshock. There is a small chance (about 5%) that a larger quake could occur, with the likelihood decreasing over time.
- There was 1 event during the 3 days prior to the earthquake (within a 15 km radius), with M0.9 (2017/03/12).
- Historical seismicity: since our records began in 1932 we’ve had 12 events of M4 or greater within 10km of today’s event, the largest was M4.7 (1936/02/23) and the most recent was M4.1 on 13 Feb 2010.
- Nearby faults: San Jacinto fault zone, San Bernardino section (Loma Linda fault) (0.2 km), Crafton Hills fault zone (Live Oak Canyon fault) (0.9 km), San Jacinto fault zone, San Bernardino section (Claremont fault) (1.4 km), San Jacinto fault zone, San Bernardino section (San Jacinto fault) (3.0 km), Crafton Hills fault zone (Redlands fault) (4.7 km), Crafton Hills fault zone (6.0 km), Crafton Hills fault zone (Reservoir Canyon fault) (6.6 km), San Jacinto fault zone, San Jacinto Valley section (8.7 km), San Jacinto fault zone.
- Links for: USGS earthquake page, ShakeMap, DYFI.
- Visit our special reports page for further information on local notable earthquakes.
Below are the waveform data associated with this event, as recorded in our Live Seismograms Feed. The closest station shown here is CI.RVR, approximately 13.5 km from the epicenter, while the furthest stations (e.g. CI.VOG, CI.PHL) are over 300 km from the epicenter.