Stratigraphic Cross Section—Interpreting the Geology
This animation shows a hypothetical cross section of the Earth, then takes you back to the beginning to walk you through the steps that would create this scenario.
Why study stratigraphy? And how does this relate to earthquakes?
The earthquake potential of an area can be determined by studying the relationships between rock strata, both locally and regionally. Faults and folds record a probable earthquake history, so by studying the age of the rocks we can gain an understanding about future earthquakes (applying “the past is a key to the future”). This is done by doing field work, studying drill-hole samples, and interpreting seismic reflection data.
www.iris.edu/hq/programs/education_and_outreach/animations#animations for more about this animation
Notes
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