(1)mid ocean spreading ridges, (2) subduction zones, and (3) transform faults.
different types of earthquakes are tectonic, volcanic, and collapse earthquakes.
There have been many earthquakes in Sumatra. You must be more specific.
The Kashmir Earthquake was affected by the destructive tectonic plate boundaries. Eurasian and Indian plate hitting each other. Thats what caused the Himalayas. Once, they hit an earthquake occurs.
The three types of earthquake waves are primary waves, surface waves, and secondary waves.