Moderate mag. 3.8 earthquake - Selwyn District, 43 km west of Christchurch, Canterbury, New Zealand, on 13 Apr 1:48 pm (GMT +12) -

Moderate mag. 3.8 earthquake - Selwyn District, 43 km west of Christchurch, Canterbury, New Zealand, on 13 Apr 1:48 pm (GMT +12)

Moderate magnitude 3.8 earthquake at 5 km depth

13 Apr 01:51 UTC: First to report: EMSC after 2 minutes.
13 Apr 01:51: Now using data updates from GEONET (NZ)
13 Apr 01:53: Magnitude recalculated from 4.0 to 3.8. Hypocenter depth recalculated from 9.9 to 5.0 km (from 6.2 to 3.1 mi). Epicenter location corrected by 1 km (0.6 mi) towards N.
Date & time: Apr 13, 2021 01:48:51 UTC -
Local time at epicenter: 13 Apr 1:48 pm (GMT +12)
Magnitude: 3.8
Depth: 5.0 km
Epicenter latitude / longitude: 43.45816°S / 172.11296°E (Selwyn District, Canterbury, New Zealand)
Antipode: 43.458°N / 7.887°W
Nearby towns and cities:
3 km (2 mi) N of Darfield (pop: 1,590) --> See nearby quakes!
18 km (11 mi) SSW of Oxford (pop: 1,780) --> See nearby quakes!
26 km (16 mi) WNW of Rolleston (pop: 3,120) --> See nearby quakes!
33 km (21 mi) NNE of Rakaia (pop: 1,040) --> See nearby quakes!
35 km (22 mi) WNW of Prebbleton (pop: 3,600) --> See nearby quakes!
42 km (26 mi) WSW of Rangiora (pop: 18,400) --> See nearby quakes!
43 km (27 mi) W of Christchurch (pop: 363,900) --> See nearby quakes!
44 km (27 mi) WSW of Kaiapoi (pop: 10,200) --> See nearby quakes!
58 km (36 mi) NNE of Ashburton (pop: 30,100) --> See nearby quakes!
326 km (202 mi) SW of Wellington (pop: 381,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 15.8°C (60 F), humidity: 48%, wind: 5 m/s (9 kts) from NW
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
3.85 kmNew ZealandGEONET (NZ)
3.910 kmNew ZealandEMSC

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Oakden Drive, Darfield / Light shaking (MMI IV) / single vertical bump / 1-2 s : A couple of sudden , noisy jolts. Caused some degree of shock. | 4 users found this interesting.  
Sheffield Canterbury / Light shaking (MMI IV) / very short : Nervous | 3 users found this interesting.  
  • Just an aftershock. We shouldn't really have anything over a 4.5 in this area. But you never know what will happen
Christchurch (39.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / very short : I was on a first aid course. I felt a small bump while I was sitting on my chair. Very small. (reported through our app)  
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