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


Double-Difference Location for Event nc73845301   M=2.90    -   3D View


Date: 2023/02/12 | Time: 15:30:32.520 | Lat: 40.39461 | Long: -124.35465 | Depth: 20.561 | Mag: 2.90
Quality: 1 | Shift: 1.115 | Version: 5.3

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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 nc73845301. There are 915 earthquakes in the box. Magnitude cutoff is 1 (except for events within the last week).

Legend:

  • Red dot is hypoDD-RT solution for event 73845301 (M=2.90)
  • 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: Sat Sep 23 18:58:35 UTC 2023