Time History
By Earthquake Hazards Program
2021 (approx.)
![Graph with "Time (sec)" on the x-axis and "Component" on the y-axis. The components as listed on the y-axis are Z, N, E, Z, N, E. The top three are blue and the bottom three are green. The plots present in squiggly waves](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/timehistory.jpg?itok=NZK1gd3e)
Detailed Description
The time history is the sequence of values of any time-varying quantity (such as a ground motion measurement) measured at a set of fixed times. Also termed time series.