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.
In the Indus Valley Civilization, the remains of Horse bones have been found from Surkotada site. The site at Surkotada is located 160 km north- east of Bhuj, in the district of Kutch, Gujarat.