Moderate mag. 5.2 earthquake - South Pacific Ocean, 65 km east of Pangai, Ha‘apai, Tonga, on Wednesday, 12 December 2018 at 03:24 (GMT)

Moderate mag. 5.2 earthquake - South Pacific Ocean, 65 km east of Pangai, Ha‘apai, Tonga, on Wednesday, 12 December 2018 at 03:24 (GMT)

Moderate magnitude 5.2 earthquake at 100 km depth

12 Dec 03:40 UTC: First to report: EMSC after 16 minutes.
Hypocenter depth recalculated from 82.0 to 100.0 km.
Date & time: 12 Dec 2018 03:24:29 UTC
Magnitude: 5.2
Depth: 100.0 km
Epicenter latitude / longitude: 19.94°S / 173.75°W (South Pacific Ocean, Tonga)
Nearest volcano: Kao (137 km / 85 mi)
Nearby towns and cities:
65 km (40 mi) ESE of Pangai (pop: 1,740) --> See nearby quakes!
146 km (90 mi) S of Neiafu (pop: 4,320) --> See nearby quakes!
191 km (119 mi) NE of Kolonga (pop: 1,100) --> See nearby quakes!
199 km (124 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
202 km (125 mi) NE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
202 km (125 mi) NE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
414 km (257 mi) WSW of Alofi (Niue) (pop: 624) --> See nearby quakes!
419 km (260 mi) WSW of Hakupu (Niue) (pop: 221) --> See nearby quakes!
425 km (264 mi) WSW of Mutalau (Niue) (pop: 133) --> See nearby quakes!
443 km (275 mi) S of Hihifo (pop: 815) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) 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.
M 5.135 km- 46km SSE of Pangai, TongaUSGS
M 5.1113 kmTonga IslandsGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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!
Cincinnati, OH / not felt : I did not feel this earthquake
Volcanoes & Earthquakes - new app for Android


Please check again later while we are collecting more data.

Earlier earthquakes in the same area

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.