The Wairarapa fault runs along to the west of the district. This fault is one of five major active faults in the Wellington region. The Wairarapa Fault last ruptured in 1855, generating an 8.2 magnitude earthquake.
Carterton is home to around 9,198 people and stretches from the Tararuas in the west to Flat Point in the east. The district is administered by the Carterton District Council.
