Moderate mag. 4.0 earthquake - Kaikoura District, Canterbury, 92 km south of Blenheim, New Zealand, on Thursday, 4 Mar 2021 3:48 am (GMT +13) -

Moderate mag. 4.0 earthquake - Kaikoura District, Canterbury, 92 km south of Blenheim, New Zealand, on Thursday, 4 Mar 2021 3:48 am (GMT +13)

Moderate magnitude 4.0 earthquake at 10 km depth

3 Mar 14:50 UTC: First to report: GEONET (NZ) after 2 minutes.
3 Mar 14:51: Hypocenter depth recalculated from 14.8 to 9.5 km (from 9.2 to 5.9 mi). Epicenter location corrected by 3.1 km (2 mi) towards NW.
3 Mar 14:52: Magnitude recalculated from 3.9 to 4.0. Epicenter location corrected by 8.3 km (5.2 mi) towards WNW.
Date & time: 3 Mar 2021 14:48:16 UTC -
Local time at epicenter: Thursday, 4 Mar 2021 3:48 am (GMT +13)
Magnitude: 4
Depth: 9.5 km
Epicenter latitude / longitude: 42.30961°S / 173.65756°E (Kaikoura District, Canterbury, New Zealand)
Nearby towns and cities:
12 km (8 mi) N of Kaikoura (pop: 685) --> See nearby quakes!
92 km (57 mi) SSW of Blenheim (Marlborough) (pop: 26,600) --> See nearby quakes!
120 km (74 mi) SSE of Nelson (pop: 59,200) --> See nearby quakes!
147 km (91 mi) SW of Wellington (pop: 381,900) --> See nearby quakes!
160 km (99 mi) NNE of Christchurch (pop: 363,900) --> See nearby quakes!
160 km (100 mi) SW of Lower Hutt (Wellington) (pop: 101,200) --> See nearby quakes!
164 km (102 mi) SW of Porirua (Wellington) (pop: 50,900) --> See nearby quakes!
174 km (108 mi) SW of Upper Hutt (Wellington) (pop: 38,400) --> See nearby quakes!
192 km (119 mi) SW of Paraparaumu (Wellington) (pop: 25,300) --> See nearby quakes!
236 km (147 mi) NE of Ashburton (pop: 30,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 16.7°C (62 F), humidity: 61%, wind: 1 m/s (2 kts) from WSW
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.
MagnitudeDepthLocationSource
4.09.5 kmNew ZealandGEONET (NZ)
3.915 km3.9 SOUTH ISLAND OF NEW ZEALANDEMSC

User reports for this quake (1)

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Pokeno Auckland / Weak shaking (MMI III) / single lateral shake / very short : 2:30 in morning and bed starts moving  
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