| Greendale Fault | |
|---|---|
 The Greendale Fault photographed looking north, about 12 hours after the Darfield earthquake. The hedgerow and tractor tire tracks in the paddocks have been horizontally offset by about 3.5 meters | |
| Country | New Zealand |
| Region | Canterbury Plains |
| Characteristics | |
| Length | 29.5 km (18.3 mi) |
| Displacement | 2 mm (0.079 in)/yr[1] |
| Tectonics | |
| Plate | Pacific |
| Status | Active |
| Earthquakes | 2010 Canterbury earthquake |
| Type | Strike-slip fault |
| New Zealand Active Fault database | |
The Greendale Fault is an active seismic fault situated in the Canterbury Plains in New Zealand's South Island. The fault was previously unknown to geologists until 4 September 2010, as physical traces of the fault had been buried by gravel (alluvial deposits) during the last glaciation period.[2]
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The Greendale Fault Surface Rupture
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Transcription
Canterbury earthquake
A powerful 7.1 magnitude earthquake,[3][4] occurred on the Greendale Fault at 4:35 am on 4 September 2010 local time (16:35 3 September UTC).[3] The quake caused widespread damage and several power outages, particularly in the city of Christchurch, New Zealand's second largest city.[5][6]
References
- ^ Villamor, P.; Litchfield, N.; Barrell, D.; Van Dissen, R.; Hornblow, S.; Quigley, M.; Levick, S.; Ries, W.; Duffy, B.; Begg, J.; Townsend, D.; Stahl, T.; Bilderback, E.; Noble, D.; Furlong, K.; Grant, H. (2 August 2012). "Map of the 2010 Greendale Fault surface rupture, Canterbury, New Zealand: application to land use planning". New Zealand Journal of Geology and Geophysics. 55 (3): 223–230. doi:10.1080/00288306.2012.680473. S2CID 129857936.
- ^ "Ten year anniversary of Darfield earthquake". www.geonet.org.nz. Retrieved 17 April 2024.
- ^ a b "New Zealand earthquake report - Sep 4, 2010 at 4:35 am (NZST)". GeoNet. Earthquake Commission and GNS Science. 4 September 2010. Archived from the original on 5 September 2010. Retrieved 4 September 2010.
- ^ "Magnitude 7.0 - South Island of New Zealand: Details". United States Geological Survey. 3 September 2010. Retrieved 3 September 2010.
- ^ "Massive 7.4 quake hits South Island". Stuff.co.nz. 3 September 2010. Archived from the original on 7 September 2010. Retrieved 3 September 2010.
- ^ "Strong earthquake rocks New Zealand's South Island". BBC News. 3 September 2010. Retrieved 3 September 2010.
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This page was last edited on 17 April 2024, at 06:35