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Major mag. 7.8 earthquake - Fiji Islands on Thursday, 6 September 2018 - information

Major mag. 7.8 earthquake - Fiji Islands on Thursday, 6 September 2018

Major mag. 7.8 earthquake  - Fiji Islands on Thursday, 6 September 2018
6 Sep 15:56 UTC: First to report: GFZ after 7 minutes.
Hypocenter depth recalculated from 662.0 to 655.0 km.
Hypocenter depth recalculated from 655.0 to 656.0 km.
Sep 6 16:01: Magnitude recalculated from 7.5 to 7.4.
Hypocenter depth recalculated from 656.0 to 654.0 km.
Sep 6 16:11: Magnitude recalculated from 7.4 to 7.8.
Hypocenter depth recalculated from 654.0 to 640.0 km.
Date & time: Thursday, 6 September 2018 15:49 UTC
Magnitude: 7.8
Depth: 640.0 km
Epicenter latitude / longitude: 18.46°S / 179.26°E (Fiji)
Nearest volcano: Koro (135 km / 84 mi)
Nearby towns and cities:
44 km (27 mi) S of Levuka (pop: 8,400)
93 km (58 mi) SE of Suva (pop: 77,400)
197 km (122 mi) SE of Ba (pop: 14,600)
Primary data source: GFZ
Estimated released energy: 3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Thu, 6 Sep 15:49 UTCM 7.8 / 640 kmFiji IslandsGFZ
Thu, 6 Sep 15:49 UTCM 7.8 / 608.6 km- 101km ESE of Suva, FijiUSGS
Thu, 6 Sep 15:49 UTCM 7.5 / 645 km FIJIEMSC

shake map
(shakemap: USGS)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own experience report!
australia / not felt
Suva / Very weak shaking (MMI II)
3282.2 km SW of epicenter [Map] / Very weak shaking (MMI II) : Very very weak shaking. I was standing in my garage, which has a concrete floor. I felt a pulse of buzzing energy (very subtle but noticable) that lasted for a few seconds. Followed by a couple of lower frequency, shorter length vibrations. (reported through our app)
Suva / Light shaking (MMI IV)
207.7 km WNW of epicenter [Map] / Very weak shaking (MMI II) : Woke me up on 7th floor. Very gentle. 20 seconds.
My home, off Queen's Highway, in Serua Provence. (148 km W of epicenter) [Map] / Light shaking (MMI IV) : I was awakened buy shaking of my bed and the rattle of the shower door! I live in Waidroka Bay,Serua Provence.
89.9 km WNW of epicenter [Map] / Strong shaking (MMI VI)
Nausori (90.7 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Suva / Strong shaking (MMI VI)
waterbury / not felt
Natadola / not felt
The Pearl Resort in Pacific Harbour, Fiji. I was a / Light shaking (MMI IV)
suva / Moderate shaking (MMI V) : I felt it in Nakasi Nausori
206 km WNW of epicenter [Map] / Weak shaking (MMI III)
Vatuwaqa, Suva. / Strong shaking (MMI VI)
Nausori / Light shaking (MMI IV)
Vatuwaqa Suva / Light shaking (MMI IV)
Denarau, Nadi / Weak shaking (MMI III)
Navua (119 km WNW of epicenter) [Map] / Moderate shaking (MMI V)

Aftershocks of the 7.8 quake: Fiji Islands, 6 Sep 2018 15h49

Show info about this
List of recorded aftershocks, latest first (250 quakes):
  • 18 Aug 2020 21:57 UTC
    | M 5.0 |
    660 km (410.1 mi) depth
    |
    322 km (200 mi) distance
    | BMKG | Details
  • 17 Aug 2020 09:52 UTC
    | M 5.0 |
    589 km (366 mi) depth
    |
    246 km (153 mi) distance
    | GFZ | Details
  • 16 Aug 2020 21:13 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    302 km (188 mi) distance
    | USGS | Details
  • 15 Aug 2020 20:57 UTC
    | M 4.5 |
    521.1 km (323.8 mi) depth
    |
    267 km (166 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17966 km (11163 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17966 km (11163 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17966 km (11163 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17966 km (11163 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17966 km (11163 mi) distance
    | | Details
  • 13 Aug 2020 22:47 UTC
    | M 4.4 |
    578 km (359.2 mi) depth
    |
    336 km (209 mi) distance
    | EMSC | Details
  • 05 Aug 2020 23:53 UTC
    | M 4.7 |
    594.3 km (369.3 mi) depth
    |
    333 km (207 mi) distance
    | USGS | Details
  • 05 Aug 2020 08:35 UTC
    | M 5.1 |
    578 km (359.2 mi) depth
    |
    298 km (185 mi) distance
    | GFZ | Details
  • 03 Aug 2020 00:58 UTC
    | M 4.5 |
    570.9 km (354.7 mi) depth
    |
    320 km (199 mi) distance
    | USGS | Details
  • 01 Aug 2020 03:06 UTC
    | M 4.4 |
    579.7 km (360.2 mi) depth
    |
    336 km (209 mi) distance
    | USGS | Details
  • 31 Jul 2020 10:48 UTC
    | M 4.5 |
    528.5 km (328.4 mi) depth
    |
    227 km (141 mi) distance
    | USGS | Details
  • 29 Jul 2020 23:50 UTC
    | M 4.2 |
    611 km (379.7 mi) depth
    |
    343 km (213 mi) distance
    | USGS | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.8 earthquake - Fiji Islands on Thursday, 6 September 2018
 

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