Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku\'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT) -

Moderate mag. 5.5 earthquake - South Pacific Ocean, 120 km south of Nuku\'alofa, Tongatapu, on Wednesday, 22 April 2020 at 22:31 (GMT)

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.
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
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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 5.548 kmTonga Islands RegionGFZ
M 5.581 kmTonga Islands RegionGeoAu
M 5.5109 kmTonga RegionEMSC
M 6.010 kmTonga IslandsBMKG
M 5.540 km100km SW of `Ohonua, TongaUSGS
M 4.4650 km8km SSE of Ndoi Island, FijiUSGS

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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