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Strong mag. 6.1 earthquake - South Pacific Ocean, Fiji, on Monday, Dec 27, 2021 at 3:42 am (GMT +12) -

Strong mag. 6.1 earthquake - South Pacific Ocean, Fiji, on Monday, Dec 27, 2021 at 3:42 am (GMT +12) Strong mag. 6.1 earthquake - South Pacific Ocean, Fiji, on Monday, Dec 27, 2021 at 3:42 am (GMT +12)

Strong magnitude 6.1 earthquake at 640 km depth

26 Dec 15:50 UTC: First to report: GFZ after 8 minutes.
26 Dec 15:53: Magnitude recalculated from 5.5 to 5.6. Hypocenter depth recalculated from 630.0 to 632.0 km (from 391 to 393 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards WNW.
26 Dec 16:01: Now using data updates from USGS
26 Dec 17:20: Hypocenter depth recalculated from 626.5 to 639.8 km (from 389 to 398 mi). Epicenter location corrected by 1.5 km (1 mi) towards SSE.

Earthquake details

Date & timeDec 26, 2021 15:42:57 UTC -
Local time at epicenterMonday, Dec 27, 2021 at 3:42 am (GMT +12)
Depth639.8 km
Epicenter latitude / longitude18.0922°S / 179.3531°W (South Pacific Ocean, Fiji)
Antipode18.092°N / 0.647°E
Shaking intensityNot felt
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoKoro (158 km / 98 mi)
Nearby towns and cities
Weather at epicenter at time of quakeModerate Rain 26°C (79 F), humidity: 81%, wind: 5 m/s (9 kts) from NE
Estimated seismic energy released8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy
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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.
6.1640 km140 Km E of Levuka, FijiUSGS
6.1640 kmFiji Islands RegionRaspberryShake
5.5632 kmFiji: Near NouméaRENASS
5.8632 kmFiji Islands RegionGFZ
6.0637 kmFiji Islands RegionGeoAu


Seismic station: Funafuti, Tuvalu (FUNA/IU network) | Distance from quake: 1075 km / 668 mi | Show on map | Station Info
Seismic station Funafuti, Tuvalu: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
In my house / Severe shaking (MMI VIII) / complex rolling (tilting in multiple directions) / several minutes : I felt like i was falling | 2 users found this interesting.  
Lompoc / not felt : No I did not feel this quake  
Keaau hawaii / not felt
Kargil ladakh / Weak shaking (MMI III) / both vertical and horizontal swinging
Paramount, ca / not felt
Serbia / not felt : I didn't feel it strong earthquake  


[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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