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Major magnitude 7.3 earthquake - South Pacific Ocean, Tonga, on Thursday, Nov 10, 2022 at 11:48 pm (GMT -11) -

Major magnitude 7.3 earthquake - South Pacific Ocean, Tonga, on Thursday, Nov 10, 2022 at 11:48 pm (GMT -11) Major magnitude 7.3 earthquake - South Pacific Ocean, Tonga, on Thursday, Nov 10, 2022 at 11:48 pm (GMT -11)

Major magnitude 7.3 earthquake at 25 km depth

11 Nov 10:58 UTC: First to report: VolcanoDiscovery after 9 minutes.
11 Nov 11:00: Now using data updates from GFZ
... [show all] ...
11 Nov 11:27: Magnitude recalculated from 7.1 to 7.3. Hypocenter depth recalculated from 10.0 to 24.8 km (from 6.2 to 15.4 mi). Epicenter location corrected by 4.2 km (2.6 mi) towards SE.

Earthquake details

Date & timeNov 11, 2022 10:48:45 UTC -
Local time at epicenterThursday, Nov 10, 2022 at 11:48 pm (GMT -11)
StatusConfirmed
Magnitude7.3
Depth24.8 km
Epicenter latitude / longitude19.3181°S / 172.1001°W (South Pacific Ocean, Tonga)
Antipode19.318°N / 7.9°E
Shaking intensityModerate shaking
Felt13 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities212 km (131 mi) ESE of Neiafu (pop: 4,320) | Show on map | Quakes nearby
231 km (144 mi) W of Alofi (Niue) (pop: 624) | Show on map | Quakes nearby
243 km (151 mi) ENE of Bangai (Pangai) (pop: 1,740) | Show on map | Quakes nearby
370 km (230 mi) ENE of Kolonga (pop: 1,100) | Show on map | Quakes nearby
372 km (231 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) | Show on map | Quakes nearby
382 km (237 mi) ENE of Nukalofa (Nuku'alofa) (pop: 22,400) | Show on map | Quakes nearby
382 km (237 mi) ENE of Nuku‘alofa (pop: 22,400) | Show on map | Quakes nearby
415 km (258 mi) SSE of Hihifo (pop: 815) | Show on map | Quakes nearby
383 km (238 mi) ENE of Amsterdam Island (pop: 75,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 25.8°C (78 F), humidity: 88%, wind: 6 m/s (12 kts) from ENE
Estimated seismic energy released5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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
7.325 kmTonga RegionUSGS
7.360 kmTONGA REGIONEMSC
7.310 kmTonga Islands RegionIRIS
7.344 kmTonga RegionGFZ
7.325 kmTonga Islands RegionRaspberryShake
7.010 kmTonga: Near NouméaRENASS
7.322 kmTonga Islands RegionGeoAu

Seismograms

Seismic station: Rarotonga, Cook Islands (RAR/IU network) | Distance from quake: 1303 km / 809 mi | Show on map | Station Info
Seismic station Rarotonga, Cook Islands: 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 (15)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Leimatua vavau tonga (213.3 km WNW of epicenter) [Map] / Strong shaking (MMI VI) / complex motion difficult to describe / 1-2 minutes : In bed on 2 storey house. Big shaking. Just managed to get down stairs and everyone out of house before it stopoed | 42 users found this interesting.  
american Samoa (574.1 km NNE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging : I was in my room doing homework and then the bed started moving, clothes shaking even the objects of wall started moving. | 32 users found this interesting.  
Niue (232 km E of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : In bed first, then stood and felt house moving and could hear house creaking | 23 users found this interesting.  
Apia (609.3 km N of epicenter) [Map] / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 10-15 s : Wave type, rolling motion | 21 users found this interesting.  
Nuku'alofa, Tonga (382 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / both vertical and horizontal swinging : On the 1st floor shocking was continuous and in waves. | 19 users found this interesting.  
Siusega (608.1 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 30-60 s : I was getting ready for bed and the room started shaking. I also heard a rumbling sound. | 14 users found this interesting.  
American Samoa (573.5 km NNE of epicenter) [Map] / Light shaking (MMI IV) : in my room and felt the quake, shook hard enough i could here my windows vibrate a bit. | 13 users found this interesting.  
Pagopago American Samoa (645.7 km N of epicenter) [Map] / Light shaking (MMI IV) : Was on the bed felt a tremor go on for a little while | 13 users found this interesting.  
Nuku'alofa, Tonga / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Was asleep and got woken by the shaking. Earthquake kept going for another 5+ seconds. | 12 users found this interesting. (reported through our app)  
Hervey bay, Australia (3670.4 km WSW of epicenter) [Map] / not felt : NOTHING FELT. I AM 3600KM AWAY FROM THERE. | 9 users found this interesting. (reported through our app)  
  • Centimeters dude not meters
  • 10 meter high wave coming at ya !
South Pacific Ocean (241 km E of epicenter) [Map] / not felt
Apia, Tuamasaga (606.6 km N of epicenter) [Map] / Weak shaking (MMI III) / 10-15 s
Churchill / Very weak shaking (MMI II) / very short
Niue (236.1 km E of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / several minutes
Vavau / Moderate shaking (MMI V) / both vertical and horizontal swinging / 10-15 s

Aftershocks

[More info]

Recorded aftershocks, latest first (14 quakes)

Date and timeMag
Depth
LocationDetails
Nov 29, 2022 12:58
1 day 6 hours ago
5.0

138 km
South Pacific Ocean, 47 km N of Neiafu, Vava'u, TongaMore
Nov 27, 2022 01:57
4 days ago
5.0

67 km
South Pacific Ocean, 200 km NE of Neiafu, Vava'u, TongaMore
Nov 21, 2022 13:26
9 days ago
4.5

18 km
South Pacific Ocean, Niue, 221 km E of Neiafu, Vava'u, TongaMore
Nov 21, 2022 10:55
9 days ago
4.9

35 km
South Pacific Ocean, 170 km E of Nukalofa, Nuku'alofa, TongatapuMore
Nov 14, 2022 15:24
2 weeks ago
4.8

10 km
South Pacific Ocean, NiueMore
Nov 13, 2022 14:49
2 weeks ago
4.5

10 km
South Pacific Ocean, 156 km E of Neiafu, Vava'u, TongaMore
Nov 12, 2022 14:41
3 weeks ago
5.0

26 km
South Pacific Ocean, TongaMore
Nov 12, 2022 14:09
3 weeks ago
4.9

27 km
South Pacific Ocean, TongaMore
Nov 12, 2022 11:50
3 weeks ago
4.9

22 km
South Pacific Ocean, TongaMore
Nov 11, 2022 15:07
3 weeks ago
4.6

22 km
South Pacific Ocean, TongaMore
Nov 11, 2022 14:42
3 weeks ago
4.9

27 km
South Pacific Ocean, TongaMore
Nov 11, 2022 12:25
3 weeks ago
4.6

28 km
South Pacific Ocean, TongaMore
Nov 11, 2022 11:57
3 weeks ago
5.1

17 km
South Pacific Ocean, TongaMore
Nov 11, 2022 11:11
3 weeks ago
4.5

25 km
South Pacific Ocean, 161 km E of Neiafu, Vava'u, TongaMore

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