Strong mag. 6.1 earthquake - Tonga Islands on Saturday, 10 November 2018 - information
Strong mag. 6.1 earthquake - Tonga Islands on Saturday, 10 November 2018 at 08:33 (GMT)
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Strong magnitude 6.1 earthquake at 10 km depth
10 Nov 08:42 UTC: First to report: GFZ after 9 minutes.
Nov 10 08:47: Magnitude recalculated from 5.8 to 6.0.
Nov 10 08:59: Magnitude recalculated from 6.0 to 6.1.
Nov 10 08:47: Magnitude recalculated from 5.8 to 6.0.
Nov 10 08:59: Magnitude recalculated from 6.0 to 6.1.
Magnitude: 6.1
Depth: 10.0 km
Epicenter latitude / longitude: 20.34°S / 174.27°W
(Tonga)Nearest volcano: Tofua (131 km / 81 mi)
Nearby towns and cities:
59 km (37 mi) S of Pangai (pop: 1,740) --> See nearby quakes!
132 km (82 mi) NE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) 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 6.1 | 10 km | Tonga Islands | GFZ |
| M 6.1 | 60 km | TONGA | EMSC |
| M 6.2 | 10 km | - 98km SE of Pangai, Tonga | USGS |
User reports for this quake (2)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Italy / not felt
Matafonua, Foa island (68.8 km N of epicenter) [Map] / Light shaking (MMI IV)
Aftershocks of the 6.1 quake Tonga Islands 10 November 2018 08:33 GMT
More info
Recorded aftershocks, latest first (2 quakes):- 20 Jan 2019 23:08 UTC| M 4.8 |118 km (73.3 mi) depth|50 km (31 mi) distance| USGS | Details
- 22 Nov 2018 10:11 UTC| M 4.8 |10 km (6.2 mi) depth|37 km (23 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.1 earthquake - Tonga Islands on Saturday, 10 November 2018 at 08:33 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
