According to B. B. Lal, former DG of ASI, Kalibangan site shows that an earthquake occured around 2600 BC, which brought to an end the Early Indus settlement at the site. It is perhaps the earliest archaeologically recorded earthquake.
Though the Satavahanas made liberal sacrificial fees to the Brahmanas, they also promoted Buddhism. Some of the important Buddhist sites under the Satavahanas were Nagarjunakonda and Amravati in Andhra Pradesh and Nashik and Junar areas of Maharashtra.