verb (used with object) 1. to draw or haul toward oneself or itself, in a particular direction, or into a particular position: to pull a sled up a hill. 2. to draw or tug at with force. 3. to rend or tear: to pull a cloth to pieces.
The Love and Rayleigh waves (collectively known as surface waves) are the slowest moving but most damaging of the seismic waves.
Technically there are 4 types; P-wave(primary), S-wave(secondary), Love wave. and Rayleigh wave, the love and rayleigh are surface waves and they are difficult to differentiate on seismograph and so are counted as one. Although all three are equally damaging, by damage it means intensity of the earthquake.