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Strong mag. 5.5 earthquake - South Pacific Ocean, 833 km northeast of Tauranga, Bay of Plenty, New Zealand, on Thursday, Dec 24, 2020 at 8:04 am (GMT -12)

Strong mag. 5.5 earthquake - South Pacific Ocean, 833 km northeast of Tauranga, Bay of Plenty, New Zealand, on Thursday, Dec 24, 2020 at 8:04 am (GMT -12) Strong mag. 5.5 earthquake - South Pacific Ocean, 833 km northeast of Tauranga, Bay of Plenty, New Zealand, on Thursday, Dec 24, 2020 at 8:04 am (GMT -12)

Strong magnitude 5.5 earthquake at 33 km depth

24 Dec 20:08 UTC: First to report: GEONET (NZ) after 4 minutes.
24 Dec 20:11: Magnitude recalculated from 4.7 to 5.0. Hypocenter depth recalculated from 0.0 to 12.0 km (from 0 to 7.5 mi). Epicenter location corrected by 385 km (239 mi) towards NNE.
24 Dec 20:17: Magnitude recalculated from 5.0 to 5.5. Hypocenter depth recalculated from 12.0 to 33.0 km (from 7.5 to 21 mi). Epicenter location corrected by 30 km (19 mi) towards NW.

Earthquake details

Date & timeDec 24, 2020 20:04:09 UTC
Local time at epicenterThursday, Dec 24, 2020 at 8:04 am (GMT -12)
StatusConfirmed
Magnitude5.5
Depth33.0 km
Epicenter latitude / longitude32.33953°S / 177.42831°W (South Pacific Ocean, New Zealand)
Antipode32.34°N / 2.572°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceGEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Nearest volcanoVolcano W (198 km / 123 mi)
Nearby towns and cities
Weather at epicenter at time of quakeOvercast Clouds 19.2°C (67 F), humidity: 76%, wind: 9 m/s (17 kts) from WSW
Estimated seismic energy released1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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
5.533 km- south of the Kermadec IslandsGEONET (NZ)
5.138 kmSouth of Kermadec Islands, New ZealandGeoAu
5.110 kmSouth of the Kermadec Islands, New ZealandUSGS
5.110 kmSOUTH OF KERMADEC ISLANDS, New ZealandEMSC
5.029 kmSouth of Kermadec Islands, New ZealandGFZ

Seismograms

Seismic station: South Karori, New Zealand (SNZO/IU network) | Distance from quake: 1217 km / 756 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Aftershocks

[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
Depth
LocationDetails
Jan 4, 2021 18:26
1 year 48 weeks ago - felt
4.5

33 km
South Pacific Ocean, New ZealandMore

Earlier earthquakes in the same area

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