This page uses the Three.js 3D JavaScript library to show real-time double-difference hypocenter locations of earthquakes in Northern California. The box below is centered on event 75083376, which has the following hypoDD-RT solution:
Date: 2024/11/07 | Time: 02:33:36.510 | Latitude: 38.88884 | Longitude: -123.26494 | Depth: 0.920 | Magnitude: 1.30
Quality: 2 | Shift: 0.120 | Version: 6.1The high-resolution background seismicity included in the box comes from two double-difference catalogs. Hypocenters for the years 1984-2011 are taken from the DD base catalog for Northern California (NCAeqDD.v201112.1). Hypocenters from 2012 up to present are taken from the real-time double-difference catalog DD-RT (NCAeqDDRT.v201201). Earthquakes from the DD catalog are represented by gray dots, those from the DD-RT catalog by colored dots.
There are 293 earthquakes in the box. Magnitude cutoff is 1 (except for events within the last week).
Legend:
Viewer instructions:
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3D applet written by Robert Simpson (USGS), Felix Waldhauser and Eric Malikowski (LDEO).
Time created: Tue Nov 12 21:31:55 UTC 2024