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Strong mag. 6.0 earthquake - Fiji Region on Monday, 21 October 1974

Strong mag. 6.0 earthquake  - Fiji Region on Monday, 21 October 1974
Date & time: Monday, 21 October 1974 04:12 UTC
Magnitude: 6.0
Depth: 602.0 km
Epicenter latitude / longitude: 17.909°S / 178.612°W (Fiji)
Nearest volcano: Katafaga (45 km / 28 mi)
Primary data source: USGS
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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
Mon, 21 Oct 04:12 UTCM 6.0 / 602 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 Intensity) scale.

Aftershocks of the 6.0 quake: Fiji Region, 21 Oct 1974 04h12

More info
Recorded aftershocks, latest first (15 quakes):
  • 12 Apr 1975 14:26 UTC
    | M 5.1 |
    562 km (349.2 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 11 Apr 1975 11:42 UTC
    | M 5.6 |
    571 km (354.8 mi) depth
    |
    31 km (19 mi) distance
    | USGS | Details
  • 25 Mar 1975 16:38 UTC
    | M 3.7 |
    688 km (427.5 mi) depth
    |
    43 km (26 mi) distance
    | USGS | Details
  • 27 Feb 1975 18:42 UTC
    | M 5.9 |
    586 km (364.1 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 17 Jan 1975 12:27 UTC
    | M 4.6 |
    692 km (430 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 10 Jan 1975 07:01 UTC
    | M 4.5 |
    466 km (289.6 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 09 Jan 1975 04:06 UTC
    | M 4.7 |
    551 km (342.4 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 04 Jan 1975 04:38 UTC
    | M 5.0 |
    557 km (346.1 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 22 Dec 1974 16:44 UTC
    | M 5.1 |
    559 km (347.3 mi) depth
    |
    54 km (34 mi) distance
    | USGS | Details
  • 28 Nov 1974 05:08 UTC
    | M 4.6 |
    535 km (332.4 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 19 Nov 1974 05:40 UTC
    | M 5.1 |
    639 km (397.1 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 11 Nov 1974 04:12 UTC
    | M 5.2 |
    593 km (368.5 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 09 Nov 1974 22:49 UTC
    | M 4.8 |
    590 km (366.6 mi) depth
    |
    41 km (26 mi) distance
    | USGS | Details
  • 26 Oct 1974 09:02 UTC
    | M 4.3 |
    622 km (386.5 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 24 Oct 1974 21:03 UTC
    | M 5.0 |
    556 km (345.5 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details

Map of aftershocks

Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - Fiji Region on Monday, 21 October 1974
 

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