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


Double-Difference Location for Event nc73945926   M=0.40    -   3D View


Date: 2023/10/05 | Time: 19:19:39.260 | Lat: 38.75103 | Long: -122.72472 | Depth: 1.919 | Mag: 0.40
Quality: 2 | Shift: 0.399 | 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 nc73945926. There are 18812 earthquakes in the box. Magnitude cutoff is 1.5 (except for events within the last week).

Legend:

  • Red dot is hypoDD-RT solution for event 73945926 (M=0.40)
  • 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: Tue Oct 17 00:16:21 UTC 2023