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Moderate mag. 5.4 earthquake - South Pacific Ocean, 704 km northeast of Tauranga, Bay of Plenty, New Zealand, on Monday, Nov 30, 2020 at 9:45 am (GMT +12)

Moderate mag. 5.4 earthquake - South Pacific Ocean, 704 km northeast of Tauranga, Bay of Plenty, New Zealand, on Monday, Nov 30, 2020 at 9:45 am (GMT +12) Moderate mag. 5.4 earthquake - South Pacific Ocean, 704 km northeast of Tauranga, Bay of Plenty, New Zealand, on Monday, Nov 30, 2020 at 9:45 am (GMT +12)

Moderate magnitude 5.4 earthquake at 477 km depth

29 Nov 21:50 UTC: First to report: GEONET (NZ) after 5 minutes.
29 Nov 21:58: Magnitude recalculated from 5.6 to 4.9. Hypocenter depth recalculated from 426.5 to 476.5 km (from 265 to 296 mi). Epicenter location corrected by 96 km (60 mi) towards ESE.
29 Nov 22:02: Magnitude recalculated from 4.9 to 5.4.

Earthquake details

Date & timeNov 29, 2020 21:45:24 UTC
Local time at epicenterMonday, Nov 30, 2020 at 9:45 am (GMT +12)
StatusConfirmed
Magnitude5.4
Depth476.5 km
Epicenter latitude / longitude32.24691°S / 179.88045°W (South Pacific Ocean, New Zealand)
Antipode32.247°N / 0.12°E
Shaking intensityNot felt
Felt0 reports
Primary data sourceGEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Nearest volcanoVolcano W (159 km / 99 mi)
Nearby towns and cities
Weather at epicenter at time of quakeLight Rain 20.2°C (68 F), humidity: 86%, wind: 10 m/s (20 kts) from WSW
Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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.
Mag.DepthLocationSource
5.4477 kmNew ZealandGEONET (NZ)
5.4498 kmKERMADEC ISLANDS REGIONEMSC
5.1506 kmKermadec Islands RegionGFZ
5.3458 kmKermadec Islands RegionUSGS
5.4492 kmKermadec Islands RegionGeoAu

Seismograms

Seismic station: South Karori, New Zealand (SNZO/IU network) | Distance from quake: 1116 km / 694 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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31 km of Westport, Buller District (1290.2 km SSW of epicenter) [Map] / not felt (reported through our app)

Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Depth
LocationDetails
Jan 14, 2021 08:20
1 year 38 weeks ago
4.1

344 km
South Pacific Ocean, 663 km NE of Leigh, akland, Auckland, New ZealandMore
Jan 11, 2021 04:29
1 year 38 weeks ago
3.9

301 km
South Pacific Ocean, 1117 km NE of Wellington, New ZealandMore

Earlier earthquakes in the same area

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