Variations in earthquake frequency and seismicity

Case Studies in Statistical Thinking

Justin Bois

Lecturer, Caltech

Movements along faults cause earthquakes

¹ Fault data: USGS Quaternary Fault Fault and Fold Database of the United States ² Earthquake data: USGS ANSS Comprehensive Earthquake Catalog (ComCat)

Mt. St. Helens

¹ Photo: Austin Post, USGS, public domain

Mt. St. Helens earthquakes

¹ Data source: USGS ANSS Comprehensive Earthquake Catalog (ComCat)

Wastewater injection in Oklahoma

¹ Data source: Oklahoma Corporation Commission Oil and Gas Division

Seismic Oklahoma

¹ Data source: USGS ANSS Comprehensive Earthquake Catalog (ComCat)

Let's practice!

Case Studies in Statistical Thinking