Minor mag. 1.8 earthquake - New Zealand on Thursday, 21 Jan 2021 8:55 am (GMT +13) -
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Minor magnitude 1.8 earthquake at 20 km depth
20 Jan 19:57 UTC: First to report: GEONET (NZ) after 2 minutes.
20 Jan 20:37: Hypocenter depth recalculated from 20.7 to 20.3 km (from 12.9 to 12.6 mi).
20 Jan 20:37: Hypocenter depth recalculated from 20.7 to 20.3 km (from 12.9 to 12.6 mi).
Date & time: 20 Jan 2021 19:55:29 UTC -
Local time at epicenter: Thursday, 21 Jan 2021 8:55 am (GMT +13)
Magnitude: 1.8
Depth: 20.3 km
Epicenter latitude / longitude: 41.34215°S / 174.98547°E
(New Zealand)Nearest volcano: Ruapehu (235 km / 146 mi)
Nearby towns and cities:
15 km (9 mi) SSE of Lower Hutt (pop: 101,200) --> See nearby quakes!
19 km (12 mi) ESE of Wellington (pop: 381,900) --> See nearby quakes!
23 km (14 mi) SSW of Upper Hutt (pop: 38,400) --> See nearby quakes!
26 km (16 mi) SSE of Porirua (pop: 50,900) --> See nearby quakes!
47 km (29 mi) S of Paraparaumu (pop: 25,300) --> See nearby quakes!
71 km (44 mi) SW of Masterton (pop: 20,700) --> See nearby quakes!
83 km (51 mi) SSW of Levin (pop: 19,800) --> See nearby quakes!
88 km (55 mi) ENE of Blenheim (pop: 26,600) --> See nearby quakes!
122 km (76 mi) SSW of Palmerston North (pop: 76,000) --> See nearby quakes!
142 km (88 mi) E of Nelson (pop: 59,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
14.3°C (58 F), humidity: 63%, wind: 9 m/s (17 kts) from NNW
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)Few Clouds
14.3°C (58 F), humidity: 63%, wind: 9 m/s (17 kts) from NNWEstimated released energy: 3.2 x 107 joules (8.78 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 1.8 | 20 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 1.8, this quake was too small to be felt by humans, but it was recorded instrumentally.
