|Lesser shock after the main shock of an earthquake.
||An instrument that records direction, intensity, and duration of earthquakes.
||To an extreme degree.
||The great size of something.
||A rock formation with a fracture in it.
||A long, narrow area that moves water from one place to another.
An intense wavelike movement.
||A narrow and long extension of the sea that has steep cliffs as it's borders.
||The highest point on a summit, mountain etc.
||The act of providing notice or caution.
||A catastrophic event, often resulting in loss of life and property.
||Intense vibrations that occur in the earth's crust.
||A massive sea wave brought on by an undersea volcanic eruption or seaquake.
||A large overflow or flow of water that often occurs on land.
||The main area where activity occurs.