description Elizabeth Cochran Overview
Elizabeth Cochran is an American seismologist and geophysicist who works with the United States Geological Survey (USGS) in Pasadena, California. Her research focuses on earthquake processes, aftershock sequences, induced seismicity, and the application of seismic noise to monitor environmental changes. She is a prominent advocate for citizen science in seismology, notably contributing to the development of dense seismic networks using low-cost sensors like the Raspberry Shake. Her work aims to improve earthquake early warning systems and map fault behaviors.
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Where does seismologist Elizabeth Cochran work?
She works with the United States Geological Survey (USGS) in Pasadena, California. Pasadena has long been a hub of USGS and Caltech earthquake research in Southern California.
What is Elizabeth Cochran known for researching?
Her research focuses on earthquake processes, aftershock sequences, and induced seismicity, meaning earthquakes triggered by human activity such as wastewater injection. She has also applied seismic noise techniques, using the Earth's constant background vibrations to monitor changes in the subsurface.
What is induced seismicity, Elizabeth Cochran's specialty?
Induced seismicity refers to earthquakes caused by human activities like fluid injection, reservoir filling, or hydraulic fracturing, a phenomenon that became a major US research topic after earthquake rates surged in Oklahoma in the 2010s. USGS scientists including Cochran have worked to identify and model these cases.
Has Elizabeth Cochran been involved in earthquake early warning?
She has contributed to USGS earthquake early warning efforts, including the ShakeAlert system that provides alerts for the U.S. West Coast. Her work on rapid characterization of earthquakes feeds into efforts to warn people seconds before strong shaking arrives.
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