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Major mag. 7.3 earthquake - Fiji Region on Thursday, 15 September 2011

Major mag. 7.3 earthquake  - Fiji Region on Thursday, 15 September 2011
Date & time: Thursday, 15 September 2011 19:31 UTC
Magnitude: 7.3
Depth: 644.6 km
Epicenter latitude / longitude: 21.611°S / 179.528°W (Fiji)
Primary data source: USGS
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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, 15 Sep 19:31 UTCM 7.3 / 644.6 kmFiji RegionUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.

Aftershocks of the 7.3 quake: Fiji Region, 15 Sep 2011 19h31

Show info about this
List of recorded aftershocks, latest first (114 quakes):
  • 15 Sep 2013 02:05 UTC
    | M 4.3 |
    562.9 km (349.8 mi) depth
    |
    115 km (71 mi) distance
    | USGS | Details
  • 13 Sep 2013 03:56 UTC
    | M 4.6 |
    584.3 km (363.1 mi) depth
    |
    181 km (113 mi) distance
    | USGS | Details
  • 12 Sep 2013 06:18 UTC
    | M 4.5 |
    594.8 km (369.6 mi) depth
    |
    148 km (92 mi) distance
    | USGS | Details
  • 03 Sep 2013 06:00 UTC
    | M 4.4 |
    593.7 km (368.9 mi) depth
    |
    129 km (80 mi) distance
    | USGS | Details
  • 02 Sep 2013 20:02 UTC
    | M 4.8 |
    609 km (378.4 mi) depth
    |
    83 km (51 mi) distance
    | EMSC | Details
  • 28 Aug 2013 03:40 UTC
    | M 5.0 |
    269 km (167.1 mi) depth
    |
    182 km (113 mi) distance
    | EMSC | Details
  • 18 Aug 2013 14:49 UTC
    | M 4.4 |
    573.7 km (356.5 mi) depth
    |
    133 km (83 mi) distance
    | USGS | Details
  • 25 Jul 2013 04:28 UTC
    | M 4.3 |
    596.4 km (370.6 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 24 Jul 2013 16:22 UTC
    | M 4.3 |
    559.3 km (347.5 mi) depth
    |
    125 km (78 mi) distance
    | USGS | Details
  • 20 Jul 2013 01:49 UTC
    | M 4.4 |
    516.7 km (321.1 mi) depth
    |
    115 km (71 mi) distance
    | USGS | Details
  • 13 Jul 2013 00:03 UTC
    | M 4.5 |
    498.9 km (310 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 14 Jun 2013 01:25 UTC
    | M 4.2 |
    488 km (303.2 mi) depth
    |
    76 km (48 mi) distance
    | EMSC | Details
  • 11 Jun 2013 22:37 UTC
    | M 4.6 |
    566 km (351.7 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 11 Jun 2013 13:02 UTC
    | M 4.9 |
    559.5 km (347.7 mi) depth
    |
    98 km (61 mi) distance
    | USGS | Details
  • 07 Jun 2013 23:57 UTC
    | M 4.8 |
    583.7 km (362.7 mi) depth
    |
    82 km (51 mi) distance
    | USGS | Details
  • 05 Jun 2013 03:23 UTC
    | M 4.9 |
    549.4 km (341.4 mi) depth
    |
    189 km (117 mi) distance
    | USGS | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.3 earthquake - Fiji Region on Thursday, 15 September 2011

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