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Major magnitude 6.5 earthquake - Fiji: 266 Km SSE of Alo, Wallis And Futuna, on Friday, 21 May 2021 at 22:13 (GMT) - information

Major magnitude 6.5 earthquake - South Pacific Ocean, Fiji, on 22 May 11:13 am (GMT +13)

Major magnitude 6.5 earthquake - South Pacific Ocean, Fiji, on 22 May 11:13 am (GMT +13) Major magnitude 6.5 earthquake - South Pacific Ocean, Fiji, on 22 May 11:13 am (GMT +13)

Major magnitude 6.5 earthquake at 10 km depth

21 May 22:22 UTC: First to report: USGS after 9 minutes.
21 May 22:30: Magnitude recalculated from 6.8 to 6.7. Epicenter location corrected by 34 km (21 mi) towards WSW.
21 May 23:11: Magnitude recalculated from 6.7 to 6.5. Epicenter location corrected by 13 km (8.3 mi) towards S.

Earthquake details

Date & timeMay 21, 2021 22:13:18 UTC
Local time at epicenter22 May 11:13 am (GMT +13)
StatusConfirmed
Magnitude6.5
Depth10.0 km
Epicenter latitude / longitude16.6001°S / 177.3522°W (South Pacific Ocean, Fiji)
Antipode16.6°N / 2.648°E
Shaking intensityVery strong shaking near epicenter
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNiuafo'ou (209 km / 130 mi)
Nearby towns and cities271 km (168 mi) SSE of Leava (Sigave, Wallis & Futuna) (pop: 480) | Show on map | Quakes nearby
386 km (240 mi) WSW of Hihifo (Tonga) (pop: 815) | Show on map | Quakes nearby
390 km (242 mi) SSW of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) | Show on map | Quakes nearby
424 km (263 mi) WNW of Neiafu (Tonga) (pop: 4,320) | Show on map | Quakes nearby
478 km (297 mi) NW of Bangai (Pangai, Tonga) (pop: 1,740) | Show on map | Quakes nearby
389 km (242 mi) SSW of Wallis Island (pop: 10,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 27.6°C (82 F), humidity: 76%, wind: 6 m/s (11 kts) from NNE
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy
Show interactive Map
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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.
Mag.DepthLocationSource
6.510 kmFiji: 266 Km SSE of Alo, Wallis And FutunaUSGS
6.410 kmFiji Islands RegionGFZ
6.699 kmFiji Islands RegionBMKG
6.410 kmFiji Islands RegionGeoAu
6.710 kmFIJI REGIONEMSC
6.210.2 kmFiji Islands Region [Sea: Fiji]INGV
5.610 kmFiji: Near NouméaRENASS

Seismograms

Seismic station: Funafuti, Tuvalu (FUNA/IU network) | Distance from quake: 973 km / 604 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 (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Okinawa / Very weak shaking (MMI II) / single lateral shake / very short : Very slight | One user found this interesting.  
Porirua, Wellington (2827.6 km SSW of epicenter) [Map] / not felt (reported through our app)
Warkworth, Auckland, Auckland (2338.7 km SSW of epicenter) [Map] / not felt (reported through our app)
Suva / Light shaking (MMI IV) / rattling, vibrating / 2-5 s

Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Depth
LocationDetails
Jul 9, 2021 12:23
1 year 22 weeks ago
4.6

438 km
South Pacific Ocean, FijiMore
Jun 6, 2021 18:24
1 year 27 weeks ago
5.6

431 km
South Pacific Ocean, TongaMore

Earlier earthquakes in the same area

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