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


Double-Difference Location for Event nc73848961   M=0.80    -   3D View


Date: 2023/02/20 | Time: 13:39:9.300 | Lat: 38.82779 | Long: -122.81428 | Depth: 1.998 | Mag: 0.80
Quality: 2 | Shift: 0.126 | Version: 0.3

This viewer requires JavaScript

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 nc73848961. There are 11051 earthquakes in the box. Magnitude cutoff is 2 (except for events within the last week).

Legend:

  • Red dot is hypoDD-RT solution for event 73848961 (M=0.80)
  • 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:

    Left-Mouse Drag to rotate
    Middle-Mouse / Scroll-Wheel / s Drag to scale
    Right-Mouse / d Drag to translate
    r Reset view
    w / q Start / Stop free (undamped) rotation
    z Toggle stereo view
    + / - Increase / Decrease stereo eye distance
    e Reset stereo eye separation

    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 20:37:54 UTC 2023