Question: What was the horizontal slippage in the Beichuan Fault at the epicenter?
Sentence: In the epicentral area, the average slip in Beichuan Fault was about 3.5 metres (11 ft) vertical, 3.5 metres (11 ft) horizontal-parallel to the fault, and 4.8 metres (16 ft) horizontal-perpendicular to the fault.
Answer in sentence: yes