Weekly Commentary Archive

For post-May 2015 weekly earthquake commentary, please refer to the home page. For the fully searchable earthquake catalogue, please visit the Southern California Earthquake Data Center (SCEDC) website.

Below is an archival copy of the weekly reports from March 1998 through May 2015.

Note: Due to changes to the USGS website, “Did You Feel It?” links within the archive are no longer available. To search for specific felt reports visit the USGS DYFI search page.

weekly commentary page

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@CaltechQuake tweets automatic earthquake notifications in real-time that have not been reviewed by a seismologist. Messages are only sent for events larger than M2.75. Results are subject to change or deletion.

Acknowledge the SCSN

"California Institute of Technology (Caltech) (1926): Southern California Seismic Network. International Federation of Digital Seismograph Networks. Other/Seismic Network. doi:10.7914/SN/CI"

Data were provided by the Caltech/USGS Southern California Seismic Network

For further acknowledgement info go to Acknowledgment Policy