Moderate mag. 5.4 earthquake - South Pacific Ocean, Fiji, on Thursday, 28 Jan 2021 9:05 pm (GMT +12) -

Moderate mag. 5.4 earthquake - South Pacific Ocean, Fiji, on Thursday, 28 Jan 2021 9:05 pm (GMT +12)

Moderate magnitude 5.4 earthquake at 508 km depth

28 Jan 09:12 UTC: First to report: GEONET (NZ) after 7 minutes.
28 Jan 09:26: Magnitude recalculated from 4.6 to 5.4. Hypocenter depth recalculated from 326.9 to 508.4 km (from 203 to 316 mi). Epicenter location corrected by 390 km (242 mi) towards NNE.
Date & time: 28 Jan 2021 09:05:22 UTC -
Local time at epicenter: Thursday, 28 Jan 2021 9:05 pm (GMT +12)
Magnitude: 5.4
Depth: 508.4 km
Epicenter latitude / longitude: 23.52261°S / 178.83849°W (South Pacific Ocean, Fiji)
Nearby towns and cities:
459 km (285 mi) SW of Nuku'alofa (Tonga) (pop: 22,400) --> See nearby quakes!
459 km (285 mi) SW of Nuku‘alofa (Tonga) (pop: 22,400) --> See nearby quakes!
468 km (291 mi) WSW of ‘Ohonua (Ohonua, Tonga) (pop: 1,240) --> See nearby quakes!
470 km (292 mi) SW of Kolonga (Tonga) (pop: 1,100) --> See nearby quakes!
662 km (411 mi) SSE of Suva (pop: 77,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Moderate Rain 24.6°C (76 F), humidity: 84%, wind: 6 m/s (11 kts) from SE
Primary data source: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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.
MagnitudeDepthLocationSource
M 5.4508 kmNew ZealandGEONET (NZ)
M 4.6327 km4.6 SOUTH OF FIJI ISLANDSEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
tonga / Light shaking (MMI IV) / complex rolling (tilting in multiple directions) / very short
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Aftershocks

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Earlier earthquakes in the same area since 1900


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