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.
Widespread rockfalls also are caused by loosening of rocks as a result of ground shaking. Worldwide, landslides caused by earthquakes kill people and damage structures at higher rates than in the United States. Landslides and Volcanic Activity Landslides due to volcanic activity are some of the most devastating types.