Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku\'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT) -
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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.
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:
114 km (71 mi) SW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
120 km (74 mi) SSW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
120 km (74 mi) SSW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
126 km (78 mi) SSW of Kolonga (pop: 1,100) --> See nearby quakes!
291 km (181 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
424 km (264 mi) SSW of Neiafu (pop: 4,320) --> 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
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 5.5 | 48 km | Tonga Islands Region | GFZ |
| M 5.5 | 81 km | Tonga Islands Region | GeoAu |
| M 5.5 | 109 km | Tonga Region | EMSC |
| M 6.0 | 10 km | Tonga Islands | BMKG |
| M 5.5 | 40 km | 100km SW of `Ohonua, Tonga | USGS |
| M 4.4 | 650 km | 8km SSE of Ndoi Island, Fiji | USGS |
User reports for this quake (1)
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(Tonga, 104 km N of epicenter) : Less than 10 seconds. No damage. (reported through EMSC)
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