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Minor mag. 2.9 earthquake - Tasman Sea, 151 km northwest of Wellington, New Zealand, on Monday, Dec 5, 2022 at 9:52 am (GMT +13) -

Minor magnitude 2.9 earthquake at 130 km depth

4 Dec 20:54 UTC: First to report: GEONET (NZ) after 2 minutes.
4 Dec 20:55: Magnitude recalculated from 2.8 to 2.9. Hypocenter depth recalculated from 90.3 to 128.0 km (from 56 to 80 mi). Epicenter location corrected by 23 km (14 mi) towards W.
4 Dec 20:59: Hypocenter depth recalculated from 128.0 to 129.9 km (from 80 to 81 mi). Epicenter location corrected by 1.6 km (1 mi) towards SW.

Earthquake details

Date & time	Dec 4, 2022 20:52:18 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 9:52 am (GMT +13)
Status	Confirmed
Magnitude	2.9
Depth	129.9 km
Epicenter latitude / longitude	40.21333°S / 173.68126°E (Tasman Sea, New Zealand)
Antipode	40.213°N / 6.319°W
Shaking intensity	Not felt
Felt
Primary data source	GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Nearest volcano	Taranaki (107 km / 66 mi)
Nearby towns and cities	83 km (52 mi) SSW of Manaia (pop: 902) \| Show on map \| Quakes nearby 85 km (53 mi) SW of Patea (pop: 1,290) \| Show on map \| Quakes nearby 86 km (53 mi) S of Opunake (pop: 1,500) \| Show on map \| Quakes nearby 86 km (54 mi) SW of Hawera (pop: 11,100) \| Show on map \| Quakes nearby 102 km (63 mi) SSW of Eltham (pop: 2,240) \| Show on map \| Quakes nearby 110 km (68 mi) SSW of Stratford (pop: 6,120) \| Show on map \| Quakes nearby 138 km (86 mi) NW of Titahi Bay (pop: 6,870) \| Show on map \| Quakes nearby 151 km (94 mi) NW of Wellington (pop: 381,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 14.9°C (59 F), humidity: 76%, wind: 8 m/s (15 kts) from W
Estimated seismic energy released	1.4 x 10⁹ joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) \| 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
2.9	130 km	New Zealand	GEONET (NZ)
2.9	130 km	Cook Strait, New Zealand	RaspberryShake

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Seismograms

Seismic station: South Karori, New Zealand (SNZO/IU network) | Distance from quake: 149 km / 93 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 2.9, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

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