A giant wave, normally produced by a seaquake or a volcano erupting under the sea (called a seismic sea wave)
Scariest Japan Tsunami Video Ever!
A shakes in earth's lithosphere caused by the release of built up pressure inside the rocks along the faultlines. An aftershock normally occurs after.
A strong wind that occurs mostly in South Asia, bringing in rain to water most farmers crops. Most of the rain comes from northeast around winter.
Effects of Monsoon Season on India (Dispatch)