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Strong mag. 6.2 earthquake - South Pacific Ocean, New Zealand, on Saturday, Mar 4, 2023 at 7:41 pm (GMT +13) -

Strong mag. 6.2 earthquake - South Pacific Ocean, New Zealand, on Saturday, Mar 4, 2023 at 7:41 pm (GMT +13) Strong mag. 6.2 earthquake - South Pacific Ocean, New Zealand, on Saturday, Mar 4, 2023 at 7:41 pm (GMT +13)

Strong magnitude 6.2 earthquake at 214 km depth

4 Mar 06:50 UTC: First to report: GEONET (NZ) after 9 minutes.

Earthquake details

Date & timeMar 4, 2023 06:41:21 UTC -
Local time at epicenterSaturday, Mar 4, 2023 at 7:41 pm (GMT +13)
Depth214.2 km
Epicenter latitude / longitude30.04052°S / 178.41177°W (South Pacific Ocean, New Zealand)
Antipode30.041°N / 1.588°E
Shaking intensityWeak shaking
Felt3 reports
Primary data sourceGEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Nearest volcanoMacauley (19 km / 12 mi)
Nearby towns and cities
Weather at epicenter at time of quakeOvercast Clouds 22.3°C (72 F), humidity: 72%, wind: 6 m/s (12 kts) from SE
Estimated seismic energy released1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) | 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.
6.2214 kmNew ZealandGEONET (NZ)
6.8205 kmKermadec Islands, New ZealandGFZ
6.8134 kmKermadec Islands, New ZealandGeoAu
6.9206 kmKermadec Islands, New ZealandRaspberryShake
6.9206 kmKermadec Islands, New ZealandUSGS
6.910 kmKermadec Islands, New ZealandIRIS
6.5181 kmNew Zealand: Near AucklandRENASS
6.7229 kmKermadec Islands, New Zealand [Sea: New Zealand]INGV


Seismic station: Tucson, Arizona (TUC/IU network) | Distance from quake: 9938 km / 6175 mi | Show on map | Station Info
Seismic station Tucson, Arizona: 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: 0.02-2.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Torbay, Auckland / Very weak shaking (MMI II) / complex motion difficult to describe / 2-5 s : yes, at that time stood on Long Bay beach. There was a feeling that a truck had passed by, but there were no roads nearby. Pohutukawa the trees didn't even move | 29 users found this interesting. (reported through our app)  
porangahau, new zealand (1227.1 km SSW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : sitting on the chair reading | 7 users found this interesting.  
Opotiki new Zealand / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Made the house creak and and glasses in the cupboard rattle | 3 users found this interesting.  
Arapuni / not felt (reported through our app)
Auckand / not felt


[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
Mar 14, 2023 23:45
11 days ago

248 km
South Pacific Ocean, New ZealandMore

Earlier earthquakes in the same area

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