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1. Relating to or caused by an earthquake or other vibration of the Earth.
I S M E S C I
2. The point on the Earth's surface directly above the focus of an earthquake.
C E E E T P R N I
3. The measure of the energy released during an earthquake, often expressed using the Richter scale or moment magnitude scale.
N E A T G U M I D
4. The process of strengthening existing structures to make them more resistant to earthquake damage.
E R F N I O T I G R T T
5. A smaller earthquake that precedes a larger earthquake in the same area.
E H F C R O K S O
6. A series of ocean waves caused by the displacement of water during an earthquake.
A M T I S N U
7. The scientific study of earthquakes and seismic waves.
G S Y I E S M L O O
8. The process of one tectonic plate being forced beneath another at a subduction zone.
U N I T S U O B C D