Final answer:
According to Habakkuk 3:6, when God stood, the earth shook. This event is referred to as a theophany, where natural events occur in response to God's presence.
Step-by-step explanation:
When God stood according to Habakkuk 3:6, it is said that the earth shook. This is indicative of a theophany, an appearance of God, where nature reacts dramatically to the divine presence, often described in the Bible and other religious texts with vivid imagery like earthquakes. The other options given, such as mountains clapping their hands, the sun being darkened, or the moon turning to blood, are also types of apocalyptic imagery found in scripture and religious literature that describe cataclysmic events sometimes associated with divine judgment or significant spiritual moments.