1881 Castle Hill earthquake
| UTC time | 1881-12-04 19:35 |
|---|---|
| Local date | 5 December 1881 |
| Local time | 07:35 |
| Duration | 20–40 seconds |
| Magnitude | 6.0–6.8 |
| Depth | 12 km |
| Epicentre | 43°08′S 171°46′E / 43.13°S 171.77°E |
| Areas affected | South Island, New Zealand |
| Max. intensity | MMI VIII (Severe) |
The 1881 Castle Hill earthquake occurred at approximately 7:35 am on 5 December 1881, with an epicentre located in the area around Torlesse Range in Castle Hill, around 20 kilometres (12 mi) from Cass. The magnitude of the earthquake is generally estimated to be around 6.0 at a depth of 12 km. Published reports claim it lasted for between 20 and 40 seconds, beginning with a jolt described as "sharp" and "distinct".
The earthquake was widely felt around the South Island, with reports as far south as Dunedin. Locally, the earthquake caused soil liquefaction. In the city of Christchurch, approximately 80 kilometres (50 mi) from the epicentre, it caused minor damage to brick buildings, including damage to some parts of the Christ Church Cathedral spire. In Lyttelton, the Timeball Station clock reportedly stopped at 7:36 am.