Strong mag. 5.4 earthquake - South Pacific Ocean, New Zealand, on Tuesday, 23 Feb 2021 12:49 pm (GMT +13) -

Strong mag. 5.4 earthquake - South Pacific Ocean, New Zealand, on Tuesday, 23 Feb 2021 12:49 pm (GMT +13)

Strong magnitude 5.4 earthquake at 33 km depth

22 Feb 23:54 UTC: First to report: GEONET (NZ) after 5 minutes.
23 Feb 00:05: Magnitude recalculated from 5.5 to 5.4. Hypocenter depth recalculated from 0.0 to 33.0 km (from 0 to 21 mi). Epicenter location corrected by 37 km (23 mi) towards WNW.
Date & time: 22 Feb 2021 23:49:19 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 12:49 pm (GMT +13)
Magnitude: 5.4
Depth: 33.0 km
Epicenter latitude / longitude: 31.47049°S / 177.92244°W (South Pacific Ocean, New Zealand)
Nearest volcano: Havre Seamount (151 km / 94 mi)
Weather at epicenter at time of quake:
Scattered Clouds 21.4°C (70 F), humidity: 71%, wind: 10 m/s (20 kts) from E
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
MagnitudeDepthLocationSource
M 5.433 kmNew ZealandGEONET (NZ)
M 5.369 kmKermadec Islands Region, New ZealandGFZ
M 5.433 kmKERMADEC ISLANDS REGION, New ZealandEMSC
M 5.264 kmKermadec Islands Region, New ZealandGeoAu
M 5.152 kmKermadec Islands Region, New ZealandUSGS
M 5.391 kmKermadec Islands Region, New ZealandBMKG

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 yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android

Aftershocks

Please check again later while we are collecting more data.

Earlier earthquakes in the same area since 1900


Map of earlier quakes

Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.