SCSN38031656 – SCSN https://www.scsn.org/index.html Southern California Seismic Network Wed, 30 Apr 2025 14:59:53 +0000 en-US hourly 1 https://wordpress.org/?v=5.1.12 10/26/2017, M3.7 near Avalon ../../../../index.php/2017/10/27/10262017-m3-7-near-avalon/index.html ../../../../index.php/2017/10/27/10262017-m3-7-near-avalon/#respond Fri, 27 Oct 2017 19:53:00 +0000 http://www.scsn.org/?p=2513 …
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  • 26 Oct 2017 16:18:28 PDT, (33.462, -118.183), depth 10.7km, 19km NE of Avalon, California
  • Aftershocks: so far there have been no aftershocks recorded. 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 4 events of M4 or greater within 10km of today’s event, the largest was M4.8 (1988/11/20) and the most recent was M4.8 on 20 Nov 1988.
  • Nearby faults: Coronado Bank fault zone, Coronado Bank-Palos Verdes section (9.8 km), Palos Verdes fault zone, San Pedro shelf section (Palos Verdes fault) (11.0 km) and Santa Cruz_Santa Catalina Ridge fault zone (26.2 km).
  • Links for: USGS earthquake page, ShakeMap, DYFI, waveforms.
  • 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.

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