Light mag. 3.7 earthquake - 38 km southeast of Blenheim, Marlborough District, New Zealand, on Friday, 22 Jan 2021 11:18 pm (GMT +13) -
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Light magnitude 3.7 earthquake at 16 km depth
22 Jan 10:19 UTC: First to report: GEONET (NZ) after 1 minutes.
22 Jan 10:20: Magnitude recalculated from 3.2 to 3.6. Hypocenter depth recalculated from 15.0 to 15.7 km (from 9.3 to 9.8 mi).
22 Jan 10:22: Magnitude recalculated from 3.6 to 3.7. Hypocenter depth recalculated from 15.7 to 16.0 km (from 9.8 to 9.9 mi).
22 Jan 10:24: Hypocenter depth recalculated from 16.0 to 15.6 km (from 9.9 to 9.7 mi).
22 Jan 10:20: Magnitude recalculated from 3.2 to 3.6. Hypocenter depth recalculated from 15.0 to 15.7 km (from 9.3 to 9.8 mi).
22 Jan 10:22: Magnitude recalculated from 3.6 to 3.7. Hypocenter depth recalculated from 15.7 to 16.0 km (from 9.8 to 9.9 mi).
22 Jan 10:24: Hypocenter depth recalculated from 16.0 to 15.6 km (from 9.9 to 9.7 mi).
Date & time: 22 Jan 2021 10:18:21 UTC -
Local time at epicenter: Friday, 22 Jan 2021 11:18 pm (GMT +13)
Magnitude: 3.7
Depth: 15.6 km
Epicenter latitude / longitude: 41.79092°S / 174.21936°E
(Marlborough District, Marlborough, New Zealand)Nearby towns and cities:
18 km (11 mi) SE of Seddon (pop: 511) --> See nearby quakes!
38 km (23 mi) SE of Blenheim (pop: 26,600) --> See nearby quakes!
58 km (36 mi) SSE of Picton (pop: 3,000) --> See nearby quakes!
73 km (45 mi) SW of Wellington (pop: 381,900) --> See nearby quakes!
86 km (54 mi) SW of Lower Hutt (Wellington) (pop: 101,200) --> See nearby quakes!
90 km (56 mi) SW of Porirua (Wellington) (pop: 50,900) --> See nearby quakes!
97 km (60 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!
118 km (73 mi) SW of Paraparaumu (Wellington) (pop: 25,300) --> See nearby quakes!
233 km (145 mi) NE of Christchurch (Canterbury) (pop: 363,900) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
13.2°C (56 F), humidity: 85%, wind: 6 m/s (13 kts) from N
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)Clear Sky
13.2°C (56 F), humidity: 85%, wind: 6 m/s (13 kts) from NEstimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) 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 3.7 | 16 km | New Zealand | GEONET (NZ) |
| M 3.6 | 16 km | 3.6 COOK STRAIT, NEW ZEALAND | EMSC |
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