Last updated October 4th, 2019
- 23 Apr 2017 10:55:55 PDT, (34.417, -119.647), depth 12.9km, 3km SSW of Montecito, California
- Aftershocks: so far there has been 1 aftershock recorded, m3.1 at 11:56:01 PDT. Some 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 5 events of M4 or greater within 10km of today’s event, the largest was M5.5 (1941/07/01) and the most recent was M4.1 on 10 Mar 1986.
- Nearby faults: Mesa-Rincon Creek fault zone (Mesa-Rincon Creek fault) (1.4 km), Mission Ridge fault system, Mission Ridge section (Mission Ridge fault) (2.6 km), Red Mountain fault zone (Red Mountain fault, north branch) (3.0 km), Mission Ridge fault system, Arroyo Parida section (Fernalo Point fault) (3.4 km), Mesa-Rincon Creek fault zone (Mesa fault) (4.1 km), Mission Ridge fault system, Arroyo Parida section (Arroyo Parida fault) (4.2 km), Lavigia fault zone (Lavigia fault) (5.2 km), Lavigia fault zone (7.7 km), Santa Ynez fault zone, eastern section (8.5 km).
- Links for: USGS earthquake page, ShakeMap, DYFI, waveforms.
- Visit our special reports page for further information on local notable earthquakes.