Last updated October 24th, 2017
- 18 Dec 2015 17:45:47 PST, (33.840, -117.048), depth 13.8km, 10km ENE of Nuevo, California
- Aftershocks: so far there have been 1 aftershocks recorded, the largest M0.8. 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.
- Historical seismicity: since our records began in 1932 we’ve had 1 events of M4 or greater within 10km of today’s event, the largest was M4.2 (1962/04/27) and the most recent was M4.2 on 27 Apr 1962.
- Nearby faults: San Jacinto fault zone, San Jacinto Valley section (Casa Loma fault) (0.2 km), San Jacinto fault zone, San Jacinto Valley section (Claremont fault) (2.0 km), Mount Eden fault (4.8 km), Beaumont Plain fault zone (7.7 km) and San Andreas fault zone, San Bernardino Mountains section (South Branch SAF) (24.0 km).
- Links for: USGS earthquake page, ShakeMap, DYFI.
- Visit our special reports page for further information on local notable earthquakes.