Latest Events

 

Latest DDRT Event Relocation Stats

Event ID Time (UTC) Location Depth Mag. Delta Tech Summary 3D
73270535 2019-09-13 03:44:32 37.63909° -118.93281° 8.57 1.9 3.223 tech summary 3D
73270525 2019-09-13 03:42:50 37.64084° -118.93294° 7.971 1.7 2.919 tech summary 3D
73270520 2019-09-13 03:42:40 37.63814° -118.93272° 7.219 1.3 2.764 tech summary 3D
73270515 2019-09-13 03:41:56 37.63944° -118.93265° 8.006 2.2 2.143 tech summary 3D
73270510 2019-09-13 03:41:38 37.9175° -118.6648° 7.49 0.0 0.000 tech summary 3D
73270505 2019-09-13 03:41:16 37.63934° -118.93443° 7.809 1.3 3.607 tech summary 3D
73270500 2019-09-13 03:41:08 37.64151° -118.93388° 7.951 0.7 3.186 tech summary 3D
73270495 2019-09-13 03:40:02 37.63896° -118.94405° 5.929 1.7 1.516 tech summary 3D
73270485 2019-09-13 03:38:42 37.63962° -118.93724° 7.805 1.4 3.409 tech summary 3D
73270475 2019-09-13 03:38:29 37.64257° -118.93282° 7.644 1.4 2.591 tech summary 3D
73270490 2019-09-13 03:38:15 37.66947° -118.91727° 11.608 0.8 6.156 tech summary 3D
73270465 2019-09-13 03:37:35 37.64161° -118.9386° 7.873 2.2 2.532 tech summary 3D
73270470 2019-09-13 03:36:33 37.64018° -118.93536° 7.86 2.8 2.376 tech summary 3D
73270460 2019-09-13 03:36:12 37.64417° -118.9325° 7.737 0.7 2.827 tech summary 3D
73270455 2019-09-13 03:35:41 37.64209° -118.94182° 7.789 1.2 2.517 tech summary 3D
73270450 2019-09-13 03:34:29 37.64165° -118.93902° 7.982 1.6 2.706 tech summary 3D
73270445 2019-09-13 03:34:29 38.82941° -122.81537° 2.897 0.8 0.646 tech summary 3D
73270435 2019-09-13 03:34:02 37.63966° -118.93315° 7.733 1.3 2.879 tech summary 3D
73270440 2019-09-13 03:31:55 38.56263° -122.27156° 4.492 1.1 1.557 tech summary 3D
73270425 2019-09-13 03:30:38 37.63953° -118.93818° 7.798 0.8 2.693 tech summary 3D
73270420 2019-09-13 03:29:09 37.64291° -118.93404° 7.858 0.4 2.727 tech summary 3D
73270415 2019-09-13 03:22:11 37.63993° -118.93757° 7.777 2.3 2.243 tech summary 3D
73270405 2019-09-13 03:18:03 37.63994° -118.93289° 8.215 0.3 3.346 tech summary 3D
71110904 2019-09-13 03:17:50 37.63561° -118.94388° 5.72 0.1 1.468 tech summary 3D
71110899 2019-09-13 03:17:40 37.62808° -118.94259° 5.254 0.1 1.443 tech summary 3D
73270410 2019-09-13 03:17:15 37.65287° -118.92153° 7.646 0.0 3.494 tech summary 3D
73270400 2019-09-13 03:16:11 37.63958° -118.93533° 7.739 0.7 3.173 tech summary 3D
73270390 2019-09-13 03:13:29 37.64058° -118.93348° 7.947 1.7 2.463 tech summary 3D
73270395 2019-09-13 03:13:15 37.65685° -118.91674° 12.09 0.2 7.586 tech summary 3D
73270385 2019-09-13 03:12:22 37.64235° -118.93728° 8.049 0.3 3.385 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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Faults & Regions of Interest

Earthquakes of Interest

Event Types

  • Original CISN event
  • Relocated DDRT event

Event Magnitudes

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