Step-by-step explanation:
1.EARTHQUAKES HAVE TWO MAJOR EFFECTS ON THE EARTH'S SURFACE
2.P-WAVES. S-WAVES. SURFACE WAVES.
3.THE FOCUS IS THE POINT WITHIN THE EARTH WHERE SEISMIC WAVES ORIGINATE IT IS CENTERED ON THE PART OF THE FAULT THAT HAS THE GREATEST MOVEMENT.THE EPICENTER IS ON THE EARTHS SURFACE DIRECTLY ABOVR THE FOCUS.
4.NORMAL(EXTENSIONAL)
REVERSE OR THRUST(COMPRESSIONAL)
STRIKE - SLIP(SHEARING).
HOPE IT HELPS.