Analog Seismogram Recording
![Analog Seismogram Recording](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/classic_seis.gif?itok=Y5TWkI39)
Detailed Description
Here is an image of an analog recording of an earthquake. The relatively flat lines are periods of quiescence and the large and squiggly line is an earthquake.
Sources/Usage
Public Domain.
Here is an image of an analog recording of an earthquake. The relatively flat lines are periods of quiescence and the large and squiggly line is an earthquake.
Public Domain.