Near-Real-Time Double-Difference Hypocenter Locations for Northern California

[DDRT v1.0, 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
75203031 2025/07/01 10:54:42.530 38.83658 -122.79624 2.885 0.70 2 0.79 0A.1 tech 3D gE usgs GGF
75203016 2025/07/01 09:00:22.320 38.78096 -122.74539 1.390 1.00 1 0.81 0A.1 tech 3D gE usgs GGF
75203006 2025/07/01 08:35:17.550 37.65335 -121.62683 4.271 1.50 2 0.46 0A.1 tech 3D gE usgs
75203001 2025/07/01 08:13:42.980 38.80598 -122.77254 12.117 0.40 1 3.88 0A.1 tech 3D gE usgs GGF
75202996 2025/07/01 08:12:1.580 38.84389 -122.76730 7.417 0.50 2 1.42 0A.1 tech 3D gE usgs GGF
75202991 2025/07/01 08:11:14.550 37.25218 -121.63481 5.074 1.30 1 0.35 0A.1 tech 3D gE usgs CAL
75202986 2025/07/01 08:10:44.120 38.80370 -122.77780 3.221 0.60 2 0.82 0A.1 tech 3D gE usgs GGF
75202981 2025/07/01 08:04:48.270 37.57650 -118.85625 8.150 1.60 2 2.46 0A.1 tech 3D gE usgs LVC
75202976 2025/07/01 07:27:53.470 36.01170 -120.07700 3.970 2.10 - - 0A.0 tech 3D gE usgs
75202971 2025/07/01 07:18:3.050 38.82949 -122.81619 3.010 0.40 2 0.80 0A.1 tech 3D gE usgs GGF
75202961 2025/07/01 07:12:7.920 38.82956 -122.81624 3.123 1.00 2 1.01 0A.1 tech 3D gE usgs GGF
75202966 2025/07/01 07:12:45.430 40.28650 -124.61780 15.880 3.10 - - 2A.0 tech 3D gE usgs MTJ
75202956 2025/07/01 07:09:38.800 39.58530 -121.44980 17.280 2.00 - - 0A.0 tech 3D gE usgs
75202951 2025/07/01 06:48:34.990 37.40540 -118.57502 9.744 2.60 1 1.92 0A.1 tech 3D gE usgs LVC
75202946 2025/07/01 05:55:40.320 37.70895 -121.97784 9.250 2.90 1 2.20 4F.1 tech 3D gE usgs
75202936 2025/07/01 05:32:24.390 39.59870 -121.44280 18.620 1.80 - - 0A.0 tech 3D gE usgs
75202931 2025/07/01 05:29:19.290 38.73229 -122.93708 2.230 1.00 2 0.67 0A.1 tech 3D gE usgs
75202926 2025/07/01 04:59:39.420 37.25220 -121.63623 5.269 1.70 1 0.65 0A.1 tech 3D gE usgs CAL
75202921 2025/07/01 04:09:2.850 38.81829 -122.84795 3.114 0.30 2 0.91 0A.1 tech 3D gE usgs GGF
75202916 2025/07/01 03:16:32.370 38.83524 -122.79767 2.429 0.20 1 0.73 0A.1 tech 3D gE usgs GGF
75202911 2025/07/01 02:55:19.840 36.01452 -120.09414 4.765 2.40 2 0.25 0A.1 tech 3D gE usgs
75202906 2025/07/01 02:26:50.950 38.81990 -122.76156 2.743 0.80 1 0.95 0A.1 tech 3D gE usgs GGF
75202901 2025/07/01 02:11:47.540 38.84136 -122.82228 2.859 1.20 2 0.86 0A.1 tech 3D gE usgs GGF
75202891 2025/07/01 02:09:10.840 37.04150 -121.13050 1.950 1.40 - - 0A.0 tech 3D gE usgs
75202886 2025/07/01 01:37:54.580 37.03812 -121.12819 0.808 3.50 1 1.04 4F.1 tech 3D gE usgs
75202881 2025/07/01 01:16:3.700 38.82028 -122.84539 3.239 0.90 2 0.96 0A.1 tech 3D gE usgs GGF
75202876 2025/07/01 01:05:10.090 38.83521 -122.82026 2.576 1.90 1 0.92 0A.1 tech 3D gE usgs GGF
75202856 2025/07/01 00:32:11.380 38.83122 -122.79666 4.117 0.80 2 1.31 0A.1 tech 3D gE usgs GGF
75202846 2025/07/01 00:14:3.660 37.56294 -118.82221 10.482 0.40 1 2.04 3F.1 tech 3D gE usgs LVC
75202836 2025/07/01 00:08:12.980 38.72300 -123.03130 12.440 1.20 - - 0A.0 tech 3D gE usgs
75202831 2025/07/01 00:04:19.740 40.21130 -124.15500 1.920 0.90 - - 0A.0 tech 3D gE usgs MTJ