10SCIE - Geology
The energy ________ travels outwards as _____. The point in the Earth’s crust where this happens is called the _____, the point directly above the focus on the Earth’s surface is called the _________. Seismologists use ___________ to determine the magnitude and ________ of earthquakes.
Words: seismographs, focus, location, waves, epicentre, released
We can see that the epicenter is the closest place on the surface to the focus. This is why the s waves get there first.