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Strong mag. 6.0 earthquake - South Pacific Ocean, Fiji, on Thursday, 1 Apr 2021 3:11 am (GMT -12)

Strong mag. 6.0 earthquake - South Pacific Ocean, Fiji, on Thursday, Apr 1, 2021 at 3:11 am (GMT -12)

Strong mag. 6.0 earthquake - South Pacific Ocean, Fiji, on Thursday, Apr 1, 2021 at 3:11 am (GMT -12) Strong mag. 6.0 earthquake - South Pacific Ocean, Fiji, on Thursday, Apr 1, 2021 at 3:11 am (GMT -12)

Strong magnitude 6.0 earthquake at 593 km depth

1 Apr 15:20 UTC: First to report: GFZ after 9 minutes.
1 Apr 15:21: Magnitude recalculated from 5.6 to 5.8. Hypocenter depth recalculated from 593.0 to 596.0 km (from 368 to 370 mi). Epicenter location corrected by 4.3 km (2.7 mi) towards WSW.
1 Apr 16:19: Magnitude recalculated from 5.8 to 6.0. Hypocenter depth recalculated from 596.0 to 593.0 km (from 370 to 368 mi). Epicenter location corrected by 6.1 km (3.8 mi) towards WNW.

Earthquake details

Date & timeApr 1, 2021 15:11:18 UTC
Local time at epicenterThursday, Apr 1, 2021 at 3:11 am (GMT -12)
StatusConfirmed
Magnitude6
Depth593.0 km
Epicenter latitude / longitude21.76°S / 179.45°W (South Pacific Ocean, Fiji)
Antipode21.76°N / 0.55°E
Shaking intensityNot felt
Felt0 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearby towns and cities
Weather at epicenter at time of quakeScattered Clouds 26.6°C (80 F), humidity: 81%, wind: 5 m/s (10 kts) from ENE
Estimated seismic energy released6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.
Mag.DepthLocationSource
6.0593 kmFiji Islands RegionGFZ
6.0598 kmFIJI REGIONEMSC
5.7590 kmNear Nouméa, FijiRENASS
5.9623 kmFiji Islands RegionBMKG
6.0594 kmFiji RegionUSGS
6.0596 kmFiji Islands RegionGeoAu

Seismograms

Seismic station: Funafuti, Tuvalu (FUNA/IU network) | Distance from quake: 1479 km / 919 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 (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Wolvega (16528.8 km N of epicenter) [Map] / not felt : I living to far from the epicenter of this size of quake.  

Aftershocks

[More info]

Recorded aftershocks, latest first (11 quakes)

Date and timeMag
Depth
LocationDetails
Sep 9, 2021 07:18
1 year 13 weeks ago
5.3

593 km
South Pacific Ocean, FijiMore
Aug 28, 2021 05:36
1 year 15 weeks ago
4.3

587 km
South Pacific Ocean, FijiMore
Aug 3, 2021 07:16
1 year 18 weeks ago
4.7

593 km
South Pacific Ocean, FijiMore
Jul 29, 2021 21:27
1 year 19 weeks ago
4.4

603 km
South Pacific Ocean, FijiMore
Jul 26, 2021 14:37
1 year 20 weeks ago
4.5

570 km
South Pacific Ocean, FijiMore
Jul 2, 2021 20:14
1 year 23 weeks ago
6.1

594 km
South Pacific Ocean, FijiMore
Jun 9, 2021 22:53
1 year 26 weeks ago
4.5

586 km
South Pacific Ocean, FijiMore
Apr 29, 2021 15:58
1 year 32 weeks ago
4.5

590 km
South Pacific Ocean, FijiMore
Apr 16, 2021 16:40
1 year 34 weeks ago
5.4

596 km
South Pacific Ocean, FijiMore
Apr 2, 2021 15:50
1 year 36 weeks ago
4.6

624 km
South Pacific Ocean, FijiMore
Apr 2, 2021 15:50
1 year 36 weeks ago
4.6

599 km
South Pacific Ocean, FijiMore

Earlier earthquakes in the same area

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