Minor mag. 1.4 earthquake - Tasman Sea, 10.5 km south of Kapiti Island, New Zealand, on Thursday, 21 Jan 2021 10:43 pm (GMT +13) -
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Minor magnitude 1.4 earthquake at 40 km depth
21 Jan 09:45 UTC: First to report: GEONET (NZ) after 2 minutes.
21 Jan 09:46: Magnitude recalculated from 2.6 to 1.7. Hypocenter depth recalculated from 107.6 to 47.1 km (from 67 to 29 mi). Epicenter location corrected by 58 km (36 mi) towards SSW.
21 Jan 09:48: Magnitude recalculated from 1.7 to 1.4. Hypocenter depth recalculated from 47.1 to 39.6 km (from 29 to 25 mi). Epicenter location corrected by 3.8 km (2.4 mi) towards WSW.
21 Jan 09:46: Magnitude recalculated from 2.6 to 1.7. Hypocenter depth recalculated from 107.6 to 47.1 km (from 67 to 29 mi). Epicenter location corrected by 58 km (36 mi) towards SSW.
21 Jan 09:48: Magnitude recalculated from 1.7 to 1.4. Hypocenter depth recalculated from 47.1 to 39.6 km (from 29 to 25 mi). Epicenter location corrected by 3.8 km (2.4 mi) towards WSW.
Date & time: 21 Jan 2021 09:43:06 UTC -
Local time at epicenter: Thursday, 21 Jan 2021 10:43 pm (GMT +13)
Magnitude: 1.4
Depth: 39.6 km
Epicenter latitude / longitude: 40.95924°S / 174.87576°E
(Tasman Sea, New Zealand)Nearest volcano: Ruapehu (196 km / 122 mi)
Nearby towns and cities:
13 km (8 mi) WSW of Paraparaumu (pop: 25,300) --> See nearby quakes!
19 km (12 mi) N of Porirua (pop: 50,900) --> See nearby quakes!
25 km (15 mi) NW of Upper Hutt (pop: 38,400) --> See nearby quakes!
29 km (18 mi) N of Lower Hutt (pop: 101,200) --> See nearby quakes!
37 km (23 mi) NNE of Wellington (pop: 381,900) --> See nearby quakes!
49 km (31 mi) SW of Levin (pop: 19,800) --> See nearby quakes!
66 km (41 mi) W of Masterton (pop: 20,700) --> See nearby quakes!
91 km (57 mi) SW of Palmerston North (pop: 76,000) --> See nearby quakes!
99 km (61 mi) NE of Blenheim (pop: 26,600) --> See nearby quakes!
138 km (86 mi) ENE of Nelson (pop: 59,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
15.2°C (59 F), humidity: 82%, wind: 3 m/s (6 kts) from NW
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)Broken Clouds
15.2°C (59 F), humidity: 82%, wind: 3 m/s (6 kts) from NWEstimated released energy: 7.9 x 106 joules (2.21 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 1.4 | 40 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 1.4, this quake was too small to be felt by humans, but it was recorded instrumentally.
