Real-Time Double-Difference Hypocenter Locations for Northern California

[DDRT v3.0, contact: felixw@ldeo.columbia.edu]

Monthly catalog:
Catalog of real-time DD locations.
Logfile for real-time DD solutions.

Q = Quality of DDRT solution; DX = Shift between DD and network location (km)
* = No DDRT solution available
PKF = Parkfield; HAY = Hayward Fault; CAL = Calaveras Fault

EVENT ID DATE TIME LAT LON DEPTH MAG Q DX V
75159187 2025/04/03 08:30:54.230 38.83355 -122.80129 2.343 0.30 1 0.17 2F.3 tech 3D waves usgs GGF
75159147 2025/04/03 05:51:50.310 36.55523 -121.07404 9.176 1.80 2 2.11 2F.3 tech 3D waves usgs
75159077 2025/04/03 02:44:6.870 38.81466 -122.82074 2.421 0.30 1 0.14 2F.3 tech 3D waves usgs GGF
75159072 2025/04/03 02:42:9.170 38.81292 -122.82629 2.541 0.50 2 0.34 2F.3 tech 3D waves usgs GGF
75159042 2025/04/03 01:51:18.230 38.82296 -122.84241 1.867 -0.00 1 0.17 3F.3 tech 3D waves usgs GGF
75159007 2025/04/03 00:59:38.100 39.72661 -119.90613 6.072 2.90 2 0.20 2F.3 tech 3D waves usgs
75158767 2025/04/02 02:09:9.430 38.79179 -122.75572 0.778 0.80 1 0.19 2F.3 tech 3D waves usgs GGF
75158742 2025/04/01 23:58:54.150 37.70848 -121.97678 9.580 2.90 1 1.70 3F.3 tech 3D waves usgs
75158722 2025/04/01 21:31:45.380 38.80513 -122.77980 1.577 1.00 1 0.28 3F.3 tech 3D waves usgs GGF
75158697 2025/04/01 20:53:23.440 38.83191 -122.81683 1.742 0.40 1 0.27 2F.3 tech 3D waves usgs GGF
75158657 2025/04/01 19:29:26.230 38.81581 -122.82310 2.575 0.20 1 0.38 2F.3 tech 3D waves usgs GGF
75158612 2025/04/01 17:39:56.980 38.81914 -122.84225 2.048 0.40 1 0.07 2F.3 tech 3D waves usgs GGF
75158572 2025/04/01 17:03:29.670 38.81863 -122.80909 1.857 0.40 1 0.26 2F.3 tech 3D waves usgs GGF
75002958 2025/04/01 16:06:22.680 38.82061 -122.84195 2.448 0.20 1 0.15 2F.3 tech 3D waves usgs GGF
75158552 2025/04/01 16:06:20.490 38.75695 -122.73875 1.664 0.20 1 0.27 5F.3 tech 3D waves usgs GGF
75158512 2025/04/01 14:41:36.500 38.81558 -122.81627 1.353 0.40 1 0.51 2F.3 tech 3D waves usgs GGF
75158467 2025/04/01 12:50:35.070 38.77466 -122.72729 1.543 0.60 1 0.29 2F.3 tech 3D waves usgs GGF
75158427 2025/04/01 10:49:29.360 38.78497 -122.76404 0.466 0.30 1 0.23 2F.3 tech 3D waves usgs GGF
75158397 2025/04/01 08:16:46.650 38.83717 -122.83631 1.495 0.30 1 0.06 2F.3 tech 3D waves usgs GGF
75158387 2025/04/01 07:41:22.310 38.82362 -122.84290 1.817 0.30 1 0.11 2F.3 tech 3D waves usgs GGF
75158372 2025/04/01 07:08:37.730 38.82271 -122.84203 1.721 -0.10 1 0.09 6F.3 tech 3D waves usgs GGF
75158357 2025/04/01 05:52:39.120 38.83842 -122.78137 2.254 0.40 1 1.08 2F.3 tech 3D waves usgs GGF
75158332 2025/04/01 03:44:50.490 38.83785 -122.79160 1.976 0.40 2 0.39 2F.3 tech 3D waves usgs GGF