06/12/2019, M3.7 near Camarillo

Event

  • 12 Jun 2019 17:07:33 PDT, (34.073, -119.040), depth 18.5km.
  • 16km S of Camarillo, California

Aftershocks

  • As of 12 Jun 2019, 05:59PM PDT, there have been no aftershocks recorded.
  • Aftershocks 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 7 events of M4 or greater within 10km of today’s event.
  • The largest historic event was M5.3 on 1973/02/21.
  • The most recent historic event was M4.4 on 02 May 2009.

Faults

  • CFM fault associations: most likely Anacapa; Dume fault segment (40%). Alternates: Not associated with a CFM modeled fault (24%), Other CFM faults (36%).*
  • Nearby faults: Sycamore Canyon fault (2.6 km), Malibu Coast fault zone (Malibu Coast fault) (2.7 km), Boney Mountain fault (4.7 km) and Anacapa-Dume fault (8.3 km).**

Additional Information




*Earthquakes can occur both near or on major known faults, and in places where no clear fault zones are known. Using the statistical method of Evans et al. (in prep. 2019) the location and focal mechanism of this earthquake suggest the above association with modeled faults in the Community Fault Model (CFM) provided by the Southern California Earthquake Center (SCEC) and Harvard University. Note that the CFM fault association may be different from the nearby faults list. Differences may arise due to different fault databases, and because the CFM fault association uses the hypocenter with relation to subsurface 3-dimensional fault orientation models, while the nearby faults list utilizes mapped surface traces as they relate to the epicenter.

CFM Fault: SCEC CFM 5.0 Fault name and closest segment if available; The CFM is maintained by Harvard University, Dept of Earth & Planetary Sciences.

Probability: The probability in percent the earthquake is associated with this fault.

SCSN: Caltech/USGS Southern California Seismic Network

**U.S. Geological Survey and California Geological Survey, 2006, Quaternary fault and fold database for the United States, accessed 2015, from USGS web site: https://earthquake.usgs.gov/hazards/qfaults/

This information is subject to change as more up-to-date data become available.

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