Πως διαβάζουμε ένα σεισμόγραμμα ; πως βρίσκουμε μέγεθος και απόσταση ;

Seismograms: Illustrated Guide to Reading a Seismogram (USGS)
https://www.iris.edu/hq/inclass/animation/guide_to_reading_a_seismogram_usgs

Seismic Waves: P, S, and Surface

https://www.iris.edu/hq/inclass/video/seismic_waves_p_s_and_surface

How to Determine Richter Magnitude

https://www.youtube.com/watch?v=zFKI1iPmetY

Finding the Distance to the Epicenter from a Seismic Station

https://www.youtube.com/watch?v=lC--uXieK9s

USGS IRIS SWARM Program - Spectrograms, seismograms, spectra plots, and more!

https://www.youtube.com/watch?v=C6KXCd0XdTc

How to Read & Interpret Earthquake Seismograms
https://www.youtube.com/watch?v=OFgRIMUFU2o