Here, from USGS, is the list of shocks today in Christchurch,
Here is a list of the earthquakes located by the USGS and contributing networks for the 10-degree Map Centered at 45°S, 170°E. Most recent events are at the top. (Some early events may be obscured by later ones on the map.) Click on the date portion of an earthquake record in the list below for more information.
MAG UTC DATE-TIME
Region MAP 4.1 2011/02/22 04:19:05 -43.600 172.750 15.0 SOUTH ISLAND OF NEW ZEALAND MAP 4.4 2011/02/22 03:04:09 -43.570 172.650 12.0 SOUTH ISLAND OF NEW ZEALAND MAP 5.5 2011/02/22 01:50:29 -43.588 172.734 9.6 SOUTH ISLAND OF NEW ZEALAND MAP 5.6 2011/02/22 00:04:18 -43.580 172.798 6.7 SOUTH ISLAND OF NEW ZEALAND MAP 6.3 2011/02/21 23:51:43 -43.600 172.710 5.0 SOUTH ISLAND OF NEW ZEALAND
One massive initial shock and then gradually diminishing aftershocks, each also deeper than the first.
(image from BBC)
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