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 USA and many other parts of the world are at greater risk for damage by earthquakes and volcanoes than most imagine. The Three Deadliest Earthquakes Thus far, history indicates that the deadliest earthquakes have affected China and Indonesia.