Mag. 4.6 earthquake - South Pacific Ocean, 688 km southwest of Nuku\'alofa, Tongatapu, Tonga, on Monday, 31 August 2020 at 19:21 (GMT) -
Light magnitude 4.6 earthquake at 545 km depth
31 Aug 19:27 UTC: First to report: GEONET (NZ) after 6 minutes.
Aug 31 19:30: Magnitude recalculated from 5.0 to 4.6.
Hypocenter depth recalculated from 550.0 to 545.2 km.
Date & time: 31 Aug 2020 19:21:02 UTC -
Depth: 545.2 km
Epicenter latitude / longitude: 25.53482°S / 179.94598°W
Primary data source: GEONET (NZ)
(Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 5 x 1011
joules (139 megawatt hours, equivalent to 120 tons of TNT) More info
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.
|M 4.6||545 km||688 km SW of Nuku‘alofa, Tonga||GEONET (NZ)|
User reports for this quake
There are no user reports for this quake yet.
If you felt it be the first to report it
Earlier earthquakes in the same area
Mag. 4.6 earthquake - South Pacific Ocean, 688 km southwest of Nuku'alofa, Tongatapu, Tonga, on Monday, 31 August 2020 at 19:21 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
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
or Online cc payment
Thanks to your past donations
- Weather reports
- Tsunami alerts
- Design upgrades
- Faster responsiveness
, 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 appThank you! With best regards from the VolcanoDiscovery team.
to get one of the fastest seismic and volcano alerts online:Android