Event 72171016 M=1.90 - 3D View

This page uses the 3D JavaView viewer to show real-time double-difference hypocenter locations of earthquakes in Northern California. The box below is centered on event 72171016, which has the following hypoDD-RT solution:

Date: 2014/02/20 | Time: 00:04:28.000 | Latitude: 40.40460 | Longitude: -120.55358 | Depth: 10.612 | Magnitude: 1.90
Quality: 2 | Shift: 0.068 | Version: 3.1

The high-resolution background seismicity included in the box comes from two double-difference catalogs. Hypocenters for the years 1984-2009 are taken from the DD catalog for Northern California (NCAeqDD.v200912.1). Hypocenters from 2010 up to present are taken from the real-time double-difference catalog DD-RT (NCAeqDD-RT.v201001). Earthquakes from the DD catalog are represented by gray circles, those from the DD-RT catalog by colored circles.

There are 24 earthquakes in the box. Magnitude cutoff is 1 (except for events within the last week).

Loading earthquakes.

Legend:

  • Red circle is hypoDD-RT solution for event 72171016 (M=1.90)
  • Events in previous HOUR | DAY | WEEK
  • DD-RT catalog (2010-present) (M>1)
  • DD catalog (84-09) (M>1)
  • Larger circles: M>4
  • Green circle is original (NCSN) location
  • Red lines: faults from USGS
  • Top square of the bounding box has green/blue sides, blue on the North.
  • XYZ box dimensions (km) = 15.0 x 15.0 x 15.0.


    • Viewer instructions:

    Left-Mouse Drag to rotate
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    More ... JavaView Help

    The 3D applet was written by Robert Simpson (USGS) and was adapted to run from within the real-time double-difference relocation system DDRT. Contact: felixw@ldeo.columbia.edu or simpson@usgs.gov.

    Time created: Tue Feb 25 00:15:44 UTC 2014