Jul 11, 2014. 1  Summertime is wedding time, so to commemorate the season, Spotify looked at thousands of wedding-themed playlists to determine the 10 most popular first dance songs. So, not a totally scientific round-up, but the results do seem to be pretty accurate based on our own not-so-scientific assessments.
Surface waves (e.g. Rayleigh waves, Love waves) that produce vertical motion of the ground surface produce the most damage during an earthquake.
The type of earthquakes usually depends on the area where is occurs and the type of land in the region. The most common earthquakes are Tectonic.. They occur when the rocks in the Earth crust break or crack because the lands forces made up by the movement of tectonic plates.Another type is called Volcanic earthquakes.he type of earthquakes usually depends on the area where is occurs and the type of land in the region. The most common earthquakes are Tectonic.. They occur when the rocks in the Earth crust break or crack because the lands forces made up by the movement of tectonic plates.