nocalDD.ldeo.columbia.edu        Real-Time Double-Difference Earthquake Catalog for Northern California


Double-Difference Location for Event nc73946495   M=1.40    -   3D View


Date: 2023/10/12 | Time: 20:02:41.620 | Lat: 38.82277 | Long: -122.79072 | Depth: 1.323 | Mag: 1.40
Quality: 1 | Shift: 0.587 | Version: 3.3

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High-resolution background seismicity from DD base catalog NCAeqDD.v202112.1 (1984-2021) and DD real-time catalog NCAeqDD-RT.v202201 (2022-present).
Box is centered on event nc73946495. There are 11765 earthquakes in the box. Magnitude cutoff is 2 (except for events within the last week).

Legend:

  • Red dot is hypoDD-RT solution for event 73946495 (M=1.40)
  • Events in previous HOUR | DAY | WEEK
  • DD-RT catalog (2022-present) (M>2)
  • DD catalog (1984-2021) (M>2)
  • Larger dots: M>4
  • White dot is original (NCSN) location
  • Brown lines at surface: faults from USGS
  • Top square of the bounding box has green/blue sides, blue on the North. Depth referenced to Geoid.
  • XYZ box dimensions (km) = 15.0 x 15.0 x 15.0

  • Viewer instructions:

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    This page uses the Three.js 3D JavaScript library.
    3D applet written by Bob Simpson (USGS), Felix Waldhauser (LDEO), Eric Malikowski (LDEO).
    Contact: felixw@ldeo.columbia.edu

    Time created: Fri Oct 20 20:38:22 UTC 2023