Conversation so far:
how many houses were destroyed in the nepal earthquake
The April 2015 Nepal earthquake destroyed more than 600,000 homes and damaged more than 288,000 in the 14 worst-hit districts.
how many people became homeless because of the nepal earthquake
Hundreds of thousands of Nepalese were made homeless with entire villages flattened, across many districts of the country.
how many people died in the nepal earthquake
The April 2015 Nepal earthquake killed nearly 9,000 people.

Question: where was the epicenter
Self-contained rewrite: where was the epicenter of the nepal earthquake