Data Services Newsletter

Volume 7 : No 1 : March 2005

Peggy Johnson - USArray Data Control Analyst

As the USArray Data Control Analyst, I will be responsible for the daily monitoring and analysis of USArray data arriving at the DMC and will participate in the development and implementation of systems to improve this process.

Photo of Peggy Johnson

I’ve been studying earthquakes for 20 years. While earning an undergraduate degree in Geology, I worked at the California Division of Mines and Geology on the 1980 Mammoth Lakes earthquake data. After graduating, I worked as a seismologist at Union Oil’s Geothermal Division. Returning to school to study seismology, I earned a Master’s degree in Geophysics from the University of Washington in Seattle and a Ph.D. in Geophysics from the University of California at Berkeley. Prior to joining IRIS in February 2005, I had been working at the Pacific Northwest Seismograph Network at UW as a data analyst, processing the Mount St. Helens seismic data of 2004-2005 and conducting some research on the earthquakes.

When I’m not working, I enjoy playing with my 9-year-old son, Curt. We love exploring, which often manifests itself as spontaneous road trips to the mountains or ocean. We also love hiking and camping, enjoying good company around the campfire and soaking up the moon and stars.

by Peggy Johnson (IRIS Data Management Center)

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