YSK that if you are indoors and an earthquake hits, you should NOT attempt to change locations or leave the building. The danger of falling objects is far greater than the danger of building collapse.
from /r/YouShouldKnow
YSK，如果你在室内，地震发生时，你不应该试图改变位置或离开建筑物。坠落物体的危险远远大于建筑物倒塌的危险。