Wenchuan County, located in northwest Sichuan in the 阿坝藏族羌族自治州 ā​bà​zàng​zú​qiāng​zú​zì​zhì​zhōu

big; large; great; vast; high in scale or intensity; (of a person) old; adult

earthquake; to shake or undergo an earthquake; movement of the earth's crust caused by tectonic shifts, volcanic activity, or explosions