Minor mag. 1.7 earthquake - 13 km southeast of Seddon, Marlborough District, New Zealand, on Thursday, 7 Jan 2021 5:41 pm (GMT +13) -
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Minor magnitude 1.7 earthquake at 7 km depth
7 Jan 04:44 UTC: First to report: GEONET (NZ) after 2 minutes.
7 Jan 04:46: Magnitude recalculated from 1.8 to 1.7. Hypocenter depth recalculated from 8.6 to 7.4 km (from 5.3 to 4.6 mi). Epicenter location corrected by 1.4 km (0.9 mi) towards SSE.
7 Jan 04:46: Magnitude recalculated from 1.8 to 1.7. Hypocenter depth recalculated from 8.6 to 7.4 km (from 5.3 to 4.6 mi). Epicenter location corrected by 1.4 km (0.9 mi) towards SSE.
Date & time: 7 Jan 2021 04:41:48 UTC -
Local time at epicenter: Thursday, 7 Jan 2021 5:41 pm (GMT +13)
Magnitude: 1.7
Depth: 7.4 km
Epicenter latitude / longitude: 41.75843°S / 174.18533°E
(Marlborough District, Marlborough, New Zealand)Nearby towns and cities:
13 km (8 mi) SE of Seddon (pop: 511) --> See nearby quakes!
33 km (21 mi) SE of Blenheim (pop: 26,600) --> See nearby quakes!
72 km (45 mi) SW of Wellington (pop: 381,900) --> See nearby quakes!
86 km (53 mi) SW of Lower Hutt (Wellington) (pop: 101,200) --> See nearby quakes!
89 km (55 mi) SW of Porirua (Wellington) (pop: 50,900) --> See nearby quakes!
93 km (58 mi) SE of Nelson (pop: 59,200) --> See nearby quakes!
100 km (62 mi) SW of Upper Hutt (Wellington) (pop: 38,400) --> See nearby quakes!
117 km (72 mi) SW of Paraparaumu (Wellington) (pop: 25,300) --> See nearby quakes!
197 km (122 mi) SW of Palmerston North (Manawatu-Wanganui) (pop: 76,000) --> See nearby quakes!
235 km (146 mi) NNE of Christchurch (Canterbury) (pop: 363,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
21.1°C (70 F), humidity: 63%, wind: 1 m/s (2 kts) from WNW
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)Clear Sky
21.1°C (70 F), humidity: 63%, wind: 1 m/s (2 kts) from WNWEstimated released energy: 2.2 x 107 joules (6.22 kilowatt hours) More info
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.
| Magnitude | Depth | Location | Source |
| M 1.7 | 7.4 km | New Zealand | GEONET (NZ) |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.7, this quake was too small to be felt by humans, but it was recorded instrumentally.
