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Major magnitude 7.2 earthquake - South Pacific Ocean on Saturday, Oct 2, 2021 at 6:29 pm (GMT +12) -

Major magnitude 7.2 earthquake - South Pacific Ocean on Saturday, Oct 2, 2021 at 6:29 pm (GMT +12) Major magnitude 7.2 earthquake - South Pacific Ocean on Saturday, Oct 2, 2021 at 6:29 pm (GMT +12)

Major magnitude 7.2 earthquake at 525 km depth

2 Oct 06:37 UTC: First to report: GFZ after 8 minutes.
2 Oct 06:39: Magnitude recalculated from 6.7 to 6.8. Hypocenter depth recalculated from 533.0 to 529.0 km (from 331 to 329 mi). Epicenter location corrected by 6.2 km (3.9 mi) towards W.
... [show all] ...
2 Oct 07:53: Magnitude recalculated from 7.1 to 7.2.

Earthquake details

Date & timeOct 2, 2021 06:29:18 UTC -
Local time at epicenterSaturday, Oct 2, 2021 at 6:29 pm (GMT +12)
StatusConfirmed
Magnitude7.2
Depth525.0 km
Epicenter latitude / longitude21.06°S / 174.76°E
Antipode21.06°N / 5.24°W
Shaking intensityWeak shaking
Felt12 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearby towns and cities457 km (284 mi) SW of Nadi (pop: 42,300) | Show on map | Quakes nearby
476 km (296 mi) SW of Lautoka (pop: 52,500) | Show on map | Quakes nearby
497 km (309 mi) SW of Ba (pop: 14,600) | Show on map | Quakes nearby
504 km (313 mi) SW of Suva (pop: 77,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 23.6°C (74 F), humidity: 83%, wind: 11 m/s (22 kts) from E
Estimated seismic energy released4 x 1015 joules (1106 gigawatt hours, equivalent to 9.5 x 105 tons of TNT or 59.5 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
7.2525 kmVanuatu Islands RegionGFZ
7.2531 kmVANUATU REGIONEMSC
7.3536 kmVanuatu RegionUSGS
7.3537 kmSouth of Fiji IslandsBMKG
7.2532 kmVanuatu Islands RegionGeoAu
6.6487 kmNear NouméaRENASS

Seismograms

Seismic station: Monasavu, Fiji (MSVF/II network) | Distance from quake: 505 km / 314 mi | Show on map | Station Info
Seismic station Monasavu, Fiji: 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 (32)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Suva (506.8 km NE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : On 6th floor….light shaking | 16 users found this interesting.  
Perdido Bay Florida / Very weak shaking (MMI II) / single vertical bump / very short : I felt a quick bump, up and down, very fast. I asked my brother if he felt it but he was asleep. We never get earth movement here that is noticeable. Very strange. | 13 users found this interesting.  
Nadi (463.2 km NE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s : A minor earthquake... I was lying on my sofa and felt like a little shaking...it was for around 2-3 seconds only...we are living on the upper floor... | 7 users found this interesting.  
Navua Town / Weak shaking (MMI III) / single lateral shake / 10-15 s : Just felt a shake while lying down for like 10 secs | 6 users found this interesting.  
Sabeto, Fiji (466.5 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 minutes : I felt dizzy and I saw some of the items hanging on the wall was shaking as well. | 3 users found this interesting.  
Nadi fiji (464.4 km NE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : Was on my sofa and it got wobbly | 2 users found this interesting.  
Canberra / not felt : Nothing | 2 users found this interesting.  
AMIR ALI - ZARAND / not felt : Not felt | 2 users found this interesting.  
Los angels / not felt : Didn’t feel anything | One user found this interesting.  
Annerley, Brisbane, Queensland (2312 km WSW of epicenter) [Map] / not felt (reported through our app)
Nadi, Ba, Western (462.8 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 20-30 s
Bras Basah Singapore / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : When I have been eating breakfast, I felt weak earthquake twice.  
Payneham south / not felt (reported through our app)
GOLD COAST / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
09599 Freiberg Deutschland / not felt
Dunedin New Zealand / not felt (reported through our app)
Central coast nsw / not felt (reported through our app)
18224 / not felt : Nope  
7619 hillside st Oakland ca 94605 / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s
Newark Ohio / not felt
Kingscliff nsw (2282.5 km WSW of epicenter) [Map] / not felt
Brisbane (2295.6 km WSW of epicenter) [Map] / not felt
Gold coast / not felt (reported through our app)
Wollongong / not felt (reported through our app)
Ellicott city, md / not felt
Nadi (463.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Kotara / not felt (reported through our app)
Brisbane / not felt (reported through our app)
Michell / not felt (reported through our app)
Suva / Weak shaking (MMI III) / single lateral shake / 20-30 s
Auckland / not felt (reported through our app)
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Aftershocks

[More info]

Recorded aftershocks, latest first (10 quakes)

Date and timeMag
Depth
LocationDetails
Aug 31, 2022 21:45
3 weeks ago
5.5

10 km
South Pacific Ocean, FijiMore
May 29, 2022 07:45
17 weeks ago
5.3

20 km
South Pacific Ocean, New CaledoniaMore
May 22, 2022 03:31
18 weeks ago
4.8

68 km
South Pacific Ocean, New CaledoniaMore
Feb 14, 2022 00:57
32 weeks ago
4.6

10 km
South Pacific Ocean, New CaledoniaMore
Feb 13, 2022 14:48
32 weeks ago
5.4

10 km
South Pacific Ocean, New CaledoniaMore
Nov 26, 2021 04:13
43 weeks ago
5.8

521 km
South Pacific Ocean, New CaledoniaMore
Oct 12, 2021 06:04
50 weeks ago
5.4

517 km
South Pacific Ocean, New CaledoniaMore
Oct 9, 2021 10:58
50 weeks ago - felt
6.9

498 km
South Pacific Ocean, New CaledoniaMore
Oct 2, 2021 07:14
51 weeks ago
4.3

561 km
South Pacific Ocean, FijiMore
Oct 2, 2021 06:45
51 weeks ago
4.7

528 km
South Pacific Ocean, New CaledoniaMore

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