Simplify the following text for a Grade 7 native English-speaking person.
Original: The 2010 Haiti earthquake was a catastrophic magnitude 7.0 Mw earthquake , with an epicentre near the town of LÃ ogÃ cents ne , approximately 25 k west of Port-au-Prince , Haiti 's capital .
Simplified: The 2010 Haiti earthquake was a magnitude 7.0 Mw earthquake centred near LÃ ogÃ cents ne , about 25 k west of Port-au-Prince , the capital of Haiti .