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

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)Moderate Rain

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
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 5.4 | 508 km | New Zealand | GEONET (NZ) |
M 4.6 | 327 km | 4.6 SOUTH OF FIJI ISLANDS | EMSC |
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
Aftershocks
Please check again later while we are collecting more data.Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 26 May 1932 16:09| 7.6 |570km / 354mi|89 years ago|317km / 197mi| South Pacific Ocean
- 30 Mar 1972 05:34| 7.2 |496km / 308mi|49 years ago|291km / 181mi| South Pacific Ocean
- 04 Sep 1997 04:23| 6.8 |625km / 388mi|24 years ago|443km / 275mi| South Pacific Ocean
- 27 Oct 1994 22:20| 6.7 |519km / 322mi|26 years ago|311km / 193mi| South Pacific Ocean
- 04 May 2014 09:25| 6.6 |750km / 466mi|7 years ago|310km / 193mi| South Pacific Ocean
- 16 Oct 2007 21:05| 6.6 |509km / 316mi|13 years ago|300km / 186mi| South Pacific Ocean
- 26 Mar 2014 03:29| 6.5 |493km / 306mi|7 years ago|343km / 213mi| South Pacific Ocean
- 21 Feb 2011 10:57| 6.5 |558km / 347mi|10 years ago|404km / 251mi| South Pacific Ocean
- 03 Dec 1991 10:33| 6.3 |561km / 349mi|29 years ago|411km / 256mi| South Pacific Ocean
- 04 May 2014 09:15| 6.2 |551km / 342mi|7 years ago|265km / 165mi| South Pacific Ocean
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