Match the items in the left column with the corresponding descriptions in the right column.
Left Column:
1. foreshocks
2. magnitude
3. Mercalli intensity scale
4. moment magnitude scale
5. Richter scale
6. seismic gaps
7. triangulation
Right Column:
a. Newer magnitude scale that measures the amount of moved (displaced) rock along a fault to determine the strength of an earthquake
b. Process used to locate the epicenter of an earthquake
c. Scale that measures the effects or severity of an earthquake
d. Areas on active faults where a major earthquake hasn't occurred in a long time
e. Mini-quakes that usually occur before a major earthquake
f. Scale of magnitude based on the size of seismic waves produced by an earthquake
g. Measure of the total amount of energy released during an earthquake