Moderate mag. 5.1 earthquake - South Pacific Ocean, 166 km east of Neiafu, Vava‘u, Tonga, on Sunday, 20 October 2019 at 08:08 (GMT) -
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Moderate magnitude 5.1 earthquake at 10 km depth
20 Oct 08:22 UTC: First to report: GFZ after 14 minutes.
Magnitude: 5.1
Depth: 10.0 km
Epicenter latitude / longitude: 18.45°S / 172.42°W
(South Pacific Ocean, Tonga)Nearest volcano: Unnamed 18.325°S/174.365°W (206 km / 128 mi)
Nearby towns and cities:
166 km (103 mi) E of Neiafu (pop: 4,320) --> See nearby quakes!
254 km (158 mi) NE of Pangai (pop: 1,740) --> See nearby quakes!
272 km (169 mi) WNW of Alofi (Niue) (pop: 624) --> See nearby quakes!
279 km (173 mi) W of Mutalau (Niue) (pop: 133) --> See nearby quakes!
281 km (175 mi) WNW of Hakupu (Niue) (pop: 221) --> See nearby quakes!
314 km (195 mi) SSE of Hihifo (pop: 815) --> See nearby quakes!
407 km (253 mi) NE of Kolonga (pop: 1,100) --> See nearby quakes!
416 km (258 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
417 km (259 mi) NE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
417 km (259 mi) NE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
466 km (290 mi) SE of Niuafo‘ou Island --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 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.
| Magnitude | Depth | Location | Source |
| M 5.1 | 10 km | Tonga Islands Region | GFZ |
| M 5.1 | 2 km | Tonga Region | EMSC |
| M 5.0 | 10 km | Tonga Islands Region | GeoAu |
| M 5.3 | 10 km | 178km E of Neiafu, Tonga | USGS |
| M 5.3 | 11 km | Tonga Islands Region | BMKG |
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!
So far, no aftershocks have been registered.
Aftershocks of the 5.1 quake South Pacific Ocean, 166 km east of Neiafu, Vava‘u, Tonga, 20 October 2019 08:08 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Moderate mag. 5.1 earthquake - South Pacific Ocean, 166 km east of Neiafu, Vava‘u, Tonga, on Sunday, 20 October 2019 at 08:08 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
