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Helicorder trace from Trinidad seismometer station, December 2019. Photo credit: CGS.

Seismometer Network

Much of the CGS website is under heavy re-construction and will be for some time. The Publications area is working normally, but there is a lot of content from our original site that was in desperate need of updating. Please bear with us as we gather new information and rewrite hundreds of pages of material, gather and properly caption high-resolution images and otherwise bring you some very cool new and archival material never before seen! Stay in touch by subscribing to the >RockTalk< blog where we will announce new items periodically.

Earthquake damage: to interior adobe walls of residence, Trinidad, Colorado, August 2011. Photo credit: T.C. Wait for the CGS.

Case in point ::

Earthquake case study

The Trinidad, Colorado Earthquakes

Around midnight on August 22, 2011, Colorado experienced its largest earthquake in half a century. The earthquake was quickly relegated to obscurity by the 5.8 earthquake that occurred about 12 hours later in Virginia.

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Trimble Ref-Tek 151-30 Broadband Seismometer in subsurface housing, Briggsdale, Colorado, May 2016. Photo credit: Mike Bornowski for the CGS.

Case in point ::

Seismometer case study

CGS seismometer array

The CGS seismic network acts in conjunction with those maintained by the University of Colorado and Colorado State University, the Incorporated Research Institutions for Seismology (IRIS), and the US Geological Survey’s National Earthquake Information Center (NEIC)—to provide near real-time earthquake detection.

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