Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku\'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT) -

Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku\'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT)

Moderate magnitude 5.5 earthquake at 48 km depth

22 Apr 22:41 UTC: First to report: GFZ after 10 minutes.
Hypocenter depth recalculated from 10.0 to 58.0 km.
Hypocenter depth recalculated from 58.0 to 48.0 km.
Date & time: 22 Apr 2020 22:31:26 UTC -
Magnitude: 5.5
Depth: 48.0 km
Epicenter latitude / longitude: 22.14°S / 175.63°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (84 km / 52 mi)
Nearby towns and cities:
120 km (74 mi) SSW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
[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 5.548 kmTonga Islands RegionGFZ
M 5.581 kmTonga Islands RegionGeoAu
M 5.5109 kmTonga RegionEMSC
M 6.010 kmTonga IslandsBMKG
M 5.540 km100km SW of `Ohonua, TongaUSGS
M 4.4650 km8km SSE of Ndoi Island, FijiUSGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
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!
(Tonga, 104 km N of epicenter) : Less than 10 seconds. No damage. (reported through EMSC)
Volcanoes & Earthquakes - new app for Android
to top
to top

Aftershocks of the 5.5 quake South Pacific Ocean, 120 km south of Nuku'alofa, Tongatapu, 22 April 2020 22:31 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
to top

Earlier earthquakes in the same area

Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT)
Volcanoes & Earthquakes - new app for Android
to top
Why is there advertising on this site?

Support us - Help us upgrade our server!

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.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc 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! With best regards from the VolcanoDiscovery team.
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.