Latest Events

 

Latest DDRT Event Relocation Stats

Event ID Time (UTC) Location Depth Mag. Delta Tech Summary 3D
73265925 2019-09-05 22:29:50 37.63804° -118.93324° 7.524 1.0 2.504 tech summary 3D
73265915 2019-09-05 22:26:51 37.63909° -118.93517° 7.487 1.5 2.972 tech summary 3D
73265905 2019-09-05 22:25:35 37.63903° -118.93071° 8.301 0.8 4.011 tech summary 3D
73265920 2019-09-05 22:24:56 37.63768° -118.93508° 7.675 0.4 3.460 tech summary 3D
73265890 2019-09-05 22:23:46 37.6382° -118.93487° 7.362 1.0 3.053 tech summary 3D
73265900 2019-09-05 22:22:31 37.6395° -118.9462° 3.89 0.3 0.000 tech summary 3D
71110884 2019-09-05 22:21:39 37.63855° -118.93447° 7.363 0.4 3.204 tech summary 3D
73265895 2019-09-05 22:21:34 37.66594° -118.94342° 3.308 0.1 1.171 tech summary 3D
73265870 2019-09-05 22:06:11 38.81316° -122.81978° 3.694 0.3 0.739 tech summary 3D
73265860 2019-09-05 21:26:31 38.80142° -122.82473° 4.267 0.8 1.250 tech summary 3D
73265855 2019-09-05 20:37:56 38.81871° -122.75984° 2.622 1.0 0.884 tech summary 3D
73265850 2019-09-05 20:30:46 37.70085° -121.71235° 4.132 1.5 0.636 tech summary 3D
73265845 2019-09-05 20:17:35 38.78476° -122.77585° 3.795 0.3 0.446 tech summary 3D
73265835 2019-09-05 19:54:53 38.79398° -122.72887° 3.111 0.8 1.409 tech summary 3D
73265830 2019-09-05 19:30:34 36.59319° -121.09456° 8.208 1.4 1.144 tech summary 3D
73265825 2019-09-05 19:12:09 38.82552° -122.7816° 3.0 0.2 0.953 tech summary 3D
73265805 2019-09-05 18:22:39 38.83422° -122.80988° 2.23 0.6 0.141 tech summary 3D
73265800 2019-09-05 18:21:44 38.76308° -122.73286° 2.596 0.9 0.747 tech summary 3D
73265795 2019-09-05 18:18:09 37.62167° -118.8591° 4.96 0.5 4.428 tech summary 3D
73265775 2019-09-05 18:03:42 38.39642° -122.50619° 0.685 1.6 0.010 tech summary 3D
73265770 2019-09-05 18:03:07 36.8867° -121.6028° 3.77 1.6 0.000 tech summary 3D
73265760 2019-09-05 17:44:09 37.55397° -118.82984° 1.573 0.9 2.230 tech summary 3D
73265750 2019-09-05 17:40:57 38.82442° -122.86104° 3.242 0.2 0.844 tech summary 3D
73265735 2019-09-05 17:25:31 38.75296° -122.71295° 2.442 0.7 0.696 tech summary 3D
73265730 2019-09-05 17:18:53 37.54664° -118.82785° 1.43 1.3 1.955 tech summary 3D
73265720 2019-09-05 16:47:29 38.80903° -122.81861° 3.221 0.6 1.442 tech summary 3D
73265700 2019-09-05 16:06:02 38.8233° -122.84797° 2.868 1.2 0.860 tech summary 3D
73265690 2019-09-05 15:52:15 38.8229° -122.80813° 3.824 0.9 0.974 tech summary 3D
73265670 2019-09-05 15:30:10 38.79695° -122.8175° 4.261 0.3 0.807 tech summary 3D
73265655 2019-09-05 14:45:43 35.56372° -120.80043° 5.328 1.1 0.249 tech summary 3D

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This website displays automatic near-real-time double-difference (DD-RT) hypocenter locations for earthquakes recorded in northern California and routinely processed at the Northern California Seismic Network (NCSN). more...The DD-RT process relocates new earthquakes relative to a high-resolution DD catalog of background seismicity, NCAeqDD, by using differential times between the new event and its neighboring (reference) events in the DD catalog. Routinely determined parametric data of new events, such as phase picks and hypocentral information, are automatically sent to LDEO by the NCSN and waveforms are accessed from the real-time DART server at the Northern California Earthquake Data Center (NCEDC) in Berkeley. Data associated with the reference events are accessed from a locally stored copy of the entire Northern CA seismic archive. See Waldhauser (BSSA, 2009) for more information.

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2021: 01 02 03 04 05 06 07 08 09 10 11 12

2020: 01 02 03 04 05 06 07 08 09 10 11 12

2019: 01 02 03 04 05 06 07 08 09 10 11 12

2018: 01 02 03 04 05 06 07 08 09 10 11 12

2017: 01 02 03 04 05 06 07 08 09 10 11 12

2016: 01 02 03 04 05 06 07 08 09 10 11 12

2015: 01 02 03 04 05 06 07 08 09 10 11 12

2014: 01 02 03 04 05 06 07 08 09 10 11 12

2013: 01 02 03 04 05 06 07 08 09 10 11 12

2012: 01 02 03 04 05 06 07 08 09 10 11 12

Faults & Regions of Interest

Earthquakes of Interest

Event Types

  • Original CISN event
  • Relocated DDRT event

Event Magnitudes

  • ≤ 2
  • ≥ 2
  • ≥ 3
  • ≥ 4
  • ≥ 5
  • ≥ 6
  • ≥ 7