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Minor mag. 0.4 earthquake - New Zealand on Wednesday, Dec 7, 2022 at 5:08 am (GMT +13) -

Minor magnitude 0.4 earthquake at 4 km depth

6 Dec 16:10 UTC: First to report: GEONET (NZ) after 1 minute.
6 Dec 16:11: Magnitude recalculated from 0.8 to 1.3.
6 Dec 16:12: Magnitude recalculated from 1.3 to 0.4. Hypocenter depth recalculated from 5.0 to 4.1 km (from 3.1 to 2.5 mi). Epicenter location corrected by 8.9 km (5.5 mi) towards NNE.

Earthquake details

Date & time	Dec 6, 2022 16:08:58 UTC -
Local time at epicenter	Wednesday, Dec 7, 2022 at 5:08 am (GMT +13)
Status	Confirmed
Magnitude	0.4
Depth	4.1 km
Epicenter latitude / longitude	39.34143°S / 175.43039°E (New Zealand)
Antipode	39.341°N / 4.57°W
Shaking intensity	Not felt
Felt
Primary data source	GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Nearest volcano	Ruapehu (14 km / 9 mi)
Nearby towns and cities	11 km (7 mi) NNW of Rangataua (pop: 132) \| Show on map \| Quakes nearby 25 km (16 mi) NW of Waiouru (pop: 1,350) \| Show on map \| Quakes nearby 39 km (24 mi) NE of Jerusalem (pop: 1,160) \| Show on map \| Quakes nearby 51 km (32 mi) SW of Turangi (pop: 3,400) \| Show on map \| Quakes nearby 73 km (46 mi) NNE of Whanganui (pop: 40,300) \| Show on map \| Quakes nearby 92 km (57 mi) SW of Taupo (pop: 22,500) \| Show on map \| Quakes nearby 99 km (61 mi) E of Stratford (pop: 6,120) \| Show on map \| Quakes nearby 223 km (139 mi) NNE of Wellington (pop: 381,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 9.3°C (49 F), humidity: 89%, wind: 2 m/s (3 kts) from ESE
Estimated seismic energy released	2.5 x 10⁵ joules (0.07 kilowatt hours) \| about seismic energy

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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.

Mag.	Depth	Location	Source
0.4	4.1 km	New Zealand	GEONET (NZ)
0.4	4.1 km	North Island, New Zealand	RaspberryShake

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Seismograms

Seismic station: South Karori, New Zealand (SNZO/IU network) | Distance from quake: 227 km / 141 mi | Show on map | Station Info

Seismic station South Karori, New Zealand: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 0.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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