Great mag. 8.1 earthquake - Fiji Islands Region on Sunday, 19 August 2018 - information

Terremoto maggiore magnitudine 8.1 - South Pacific Ocean, 115 km a nord est da Tavunasici , Figi, domenica, 19 agosto 2018

Terremoto maggiore magnitudine 8.1 - South Pacific Ocean, 115 km a nord est da Tavunasici , Figi, domenica, 19 agosto 2018

Terremoto maggiore magnitudine 8.1 at 566 km depth

19 Aug 00:27 UTC: Primo a segnalare: GFZ dopo 7 minuti.
Aug 19 00:28: Magnitudine ricalcolata da 7.6 a 7.8.
Profondità ricalcolata da 587.0 a 577.0 km.
Profondità ricalcolata da 577.0 a 574.0 km.
Aug 19 00:30: Magnitudine ricalcolata da 7.8 a 7.9.
Profondità ricalcolata da 574.0 a 578.0 km.
Aug 19 00:31: Magnitudine ricalcolata da 7.9 a 8.0.
Profondità ricalcolata da 578.0 a 576.0 km.
Aug 19 00:47: Magnitudine ricalcolata da 8.0 a 8.1.
Profondità ricalcolata da 576.0 a 566.0 km.
Data & ora: 19 Aug 2018 00:19:38 UTC
Magnitudine: 8.1
Profondità: 566.0 km
Epicentro latitudine / longitudine: 18.03°S / 178.28°W (South Pacific Ocean, Figi)
Vulcano più vicino: Taveuni (244 km / 152 mi)
Nearby towns and cities:
347 km E da Suva (pop: 77,400) --> Vedi sismi vicini
416 km S da Leava (Sigave, Wallis e Futuna) (pop: 480) --> Vedi sismi vicini
458 km ONO da Pangai (Tonga) (pop: 1,740) --> Vedi sismi vicini
473 km NO da Nuku'alofa (Tonga) (pop: 22,400) --> Vedi sismi vicini
473 km NO da Nuku‘alofa (Tonga) (pop: 22,400) --> Vedi sismi vicini
482 km NO da Kolonga (Tonga) (pop: 1,100) --> Vedi sismi vicini
507 km NO da ‘Ohonua (Ohonua, Tonga) (pop: 1,240) --> Vedi sismi vicini
Fonte dati primaria: GFZ (German Research Centre for Geosciences)
Stima dell'energia sismica liberata: 8.9 x 1016 joules (24757 gigawatt hours, equivalent to 2.1 x 107 tons of TNT or 1331.3 atomic bombs!) More info
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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.
MagnitudineProfonditàUbicazioneFonte
M 8.1566 kmFiji Islands RegionGFZ
M 8.2563 km- 281km NNE of Ndoi Island, FijiUSGS
M 8.2558 kmFIJI REGIONEMSC

shake map
(shakemap: USGS)

User reports for this quake (66)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Vava u Tonga / Moderate shaking (MMI V) : Because we were on a dock it was confusing whether it was the ocean or an earthquake. But it lasted enough to feel it WAS an earthquake
Sigatoka / Moderate shaking (MMI V)
Avonsleigh Victoria Australia (4142.3 km SW of epicenter) [Map] / Very weak shaking (MMI II) : Felt an initial rumble through the floor, wave like, followed shortly after by a weaker audible rumble. I was in bed at the time.
3522.8 km SW of epicenter [Map] / not felt (reported through our app)
Vlaardingen / not felt
Tokoriki / not felt
457.9 km SE of epicenter [Map] / Light shaking (MMI IV)
SUVA / not felt
2954 km SSW of epicenter [Map] / not felt : Christurch.no felt (reported through our app)
Nadi Fiji / Light shaking (MMI IV)
449.7 km W of epicenter [Map] / Strong shaking (MMI VI)
Unud / Light shaking (MMI IV)
NAVUA (377.3 km W of epicenter) [Map] / Light shaking (MMI IV) : Light shake
Viti Levu, Fiji / Weak shaking (MMI III) : I was sitting at my outside table on my deck
Suva / Very weak shaking (MMI II)
Fifi / Very strong shaking (MMI VII)
port vila / Very weak shaking (MMI II) : Outdoor signs fell over
Suva city, Domain area / not felt
Tonga / Very weak shaking (MMI II) : No issue
Ph (7089.3 km WNW of epicenter) [Map] / not felt
Denarau island / Light shaking (MMI IV) : We are located on the second floor. We were sitting on the couch when we suddenly started to rock
461.7 km W of epicenter [Map] / Very weak shaking (MMI II)
Labasa / Light shaking (MMI IV) : Was lying on my back...Felt someone was dragging me...
Denarau Island Golf Club Fiji / Weak shaking (MMI III)
Apia Samoa / Very weak shaking (MMI II) : Felt a small shake that went lasted about 10 seconds ..im in Samoa
FNPF Place, Suva, Fiji. (348.7 km W of epicenter) [Map] / Light shaking (MMI IV) : Felt the whole building shake. Was like the building is flexible.
Lautoka Fiji / Weak shaking (MMI III) : I was in the livingroom n felt that the couch i was on was on an elevator. Felt like a tremor.
Nadi / Moderate shaking (MMI V) : Big shake
Fiji pacific harbour / Light shaking (MMI IV)
Vava'u Tonga (456.5 km E of epicenter) [Map] / Moderate shaking (MMI V) : Very definite rumbling and swirling movement. Felt inside and outside with TV and ornaments rocking. Went on for some time. Was building to strong then weaker then again felt it not quite as strong
Suva / Light shaking (MMI IV)
Suva (344.4 km W of epicenter) [Map] / Weak shaking (MMI III)
Ha'apai Tonga (460.7 km ESE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Chicago Illinois United States / Light shaking (MMI IV) : Not sure this is possible but had at the same time had some shaking in the Chicago area.
Vinod street Suva (344.3 km W of epicenter) [Map] / Weak shaking (MMI III) : The ground was shaking in waves as if sitting on a boat
nadi / Light shaking (MMI IV)
Bali, Ubud / Weak shaking (MMI III)
339 km W of epicenter [Map] / Light shaking (MMI IV) : It lasted a few seconds which was quite long
Naviti resort, fiji / Weak shaking (MMI III)
Nausori,fiji / Moderate shaking (MMI V)
sheraton Denarau (454.2 km W of epicenter) [Map] / Light shaking (MMI IV) : i felt it. bed moving
Port demerau / Weak shaking (MMI III)
Los Angeles / Very weak shaking (MMI II) : I felt a little bump while I was sitting down.
Hilton Fiji beach island and resort / Moderate shaking (MMI V) : Felt like I was on a boat while relaxing on the day bed
Nadi / Weak shaking (MMI III)
Denarau Island Nadi / Light shaking (MMI IV) : Light shaking for 1-2 minutes
fiji / Moderate shaking (MMI V) : visiting from california. saw hanging ceiling lights sway for about 5 minutes.
Fiji, main island, pacific harbour / Weak shaking (MMI III) : Felt the ground moving from side to side for like for 15 seconds
Pacific Har (386.7 km W of epicenter) [Map] / Moderate shaking (MMI V)
Denarau Island / Very weak shaking (MMI II)
Koronivia, Nausori (337.5 km W of epicenter) [Map] / Severe shaking (MMI VIII)
337.9 km W of epicenter [Map] / Light shaking (MMI IV)
Nadi / Weak shaking (MMI III)
Denarau Island Nadi Fiji / Moderate shaking (MMI V) : Water in swimming pool moved from side to side in a hurry.
Valelevu / not felt
454.5 km ESE of epicenter [Map] / Moderate shaking (MMI V)
WAIYEVO waitavala taveuni / Severe shaking (MMI VIII) : Taveuni
nasinu, fiji / Light shaking (MMI IV)
Denarau Nadi / Moderate shaking (MMI V)
Denerau island / Light shaking (MMI IV) : Definite swaying for a prolonged time
Nadi / Very weak shaking (MMI II)
460.3 km W of epicenter [Map] / Light shaking (MMI IV)
302.2 km NW of epicenter [Map] / Weak shaking (MMI III)
Pacific harbour / Light shaking (MMI IV)
Pago Pago (American Samoa, 902 km NE of epicenter) : Felt here in American Samoa, United States. (reported through EMSC)
Suva (Fiji, 363 km W of epicenter) : Nothing felt at Capital city (reported through EMSC)
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Aftershocks

More info
Recorded aftershocks, latest first (1083 quakes):
  • 03 Feb 2021 11:11 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    510 km (317 mi) distance
    | GeoAu | Details
  • 03 Feb 2021 01:38 UTC
    | M 4.5 |
    531.2 km (330.1 mi) depth
    |
    270 km (168 mi) distance
    | USGS | Details
  • 02 Feb 2021 20:49 UTC
    | M 5.8 |
    10 km (6.2 mi) depth
    |
    444 km (276 mi) distance
    | GFZ | Details
  • 02 Feb 2021 08:05 UTC
    | M 4.9 |
    28 km (17.4 mi) depth
    |
    623 km (387 mi) distance
    | USGS | Details
  • 31 Jan 2021 01:33 UTC
    | M 4.6 |
    530.6 km (329.7 mi) depth
    |
    563 km (350 mi) distance
    | USGS | Details
  • 28 Jan 2021 09:05 UTC
    | M 5.4 |
    508.4 km (315.9 mi) depth
    |
    614 km (381 mi) distance
    | GEONET (NZ) | Details
  • 27 Jan 2021 09:10 UTC
    | M 5.0 |
    571.5 km (355.1 mi) depth
    |
    255 km (158 mi) distance
    | USGS | Details
  • 26 Jan 2021 13:05 UTC
    | M 4.6 |
    591 km (367.2 mi) depth
    |
    226 km (140 mi) distance
    | GFZ | Details
  • 26 Jan 2021 07:59 UTC
    | M 5.0 |
    528 km (328.1 mi) depth
    |
    668 km (415 mi) distance
    | USGS | Details
  • 26 Jan 2021 01:30 UTC
    | M 4.9 |
    541.6 km (336.5 mi) depth
    |
    466 km (289 mi) distance
    | USGS | Details
  • 25 Jan 2021 23:29 UTC
    | M 4.4 |
    561.5 km (348.9 mi) depth
    |
    668 km (415 mi) distance
    | GEONET (NZ) | Details
  • 25 Jan 2021 20:42 UTC
    | M 4.8 |
    258 km (160.3 mi) depth
    |
    192 km (119 mi) distance
    | BMKG | Details
  • 25 Jan 2021 20:42 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    278 km (173 mi) distance
    | GeoAu | Details
  • 25 Jan 2021 20:37 UTC
    | M 5.0 |
    72.6 km (45.1 mi) depth
    |
    442 km (275 mi) distance
    | USGS | Details
  • 25 Jan 2021 12:00 UTC
    | M 4.7 |
    518 km (321.9 mi) depth
    |
    274 km (170 mi) distance
    | GFZ | Details
  • 24 Jan 2021 10:06 UTC
    | M 4.8 |
    99 km (61.5 mi) depth
    |
    486 km (302 mi) distance
    | EMSC | Details
  • Show all

Earlier earthquakes in the same area

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