Strong mag. 6.3 earthquake - Banda Sea, Indonesia, on Friday, October 17, 1975 at 03:31 (GMT)

Strong mag. 6.3 earthquake - Banda Sea, Indonesia, on Friday, October 17, 1975 at 03:31 (GMT)

Strong magnitude 6.3 earthquake at 109 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Oct 17, 1975 03:31:52 UTC
Magnitude: 6.3
Depth: 109.0 km
Epicenter latitude / longitude: 7.473°S / 128.726°E (Banda Sea, Indonesia)
Antipode: 7.473°N / 51.274°W
Nearest volcano: Wurlali (39 km / 24 mi)
Nearby towns and cities:
223 km (139 mi) ENE of Lospalos (Timor-Leste) (pop: 17,200) --> See nearby quakes!
274 km (170 mi) ENE of Baucau (Timor-Leste) (pop: 16,000) --> See nearby quakes!
289 km (180 mi) ENE of Venilale (Timor-Leste) (pop: 16,000) --> See nearby quakes!
368 km (228 mi) ENE of Delhi (Timor-Leste) (pop: 150,000) --> See nearby quakes!
375 km (233 mi) ENE of Aileu (Timor-Leste) (pop: 17,400) --> See nearby quakes!
393 km (244 mi) ENE of Likisa (Timor-Leste) (pop: 19,000) --> See nearby quakes!
421 km (262 mi) ENE of Maliana (Timor-Leste) (pop: 22,000) --> See nearby quakes!
424 km (264 mi) S of Ambon City (pop: 355,600) --> See nearby quakes!
459 km (285 mi) ENE of Atambua (Kabupaten Belu) (pop: 35,800) --> See nearby quakes!
490 km (304 mi) WSW of Tual (pop: 39,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
Mag.DepthLocationSource
6.3109 kmKepulauan Barat Daya, IndonesiaUSGS
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.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks

More info

Recorded aftershocks, latest first (9 quakes)

  • 24 Feb 1976 14:26 UTC
    | M 5.3 |
    124 km (77.1 mi) depth
    |
    54 km (33 mi) distance
    | USGS | Details
  • 20 Feb 1976 00:59 UTC
    | M 5.2 |
    169 km (105 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
  • 31 Dec 1975 17:32 UTC
    | M 4.6 |
    113 km (70.2 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14274 km (8870 mi) distance
    | | Details
  • 11 Nov 1975 16:48 UTC
    | M 4.7 |
    143 km (88.9 mi) depth
    |
    56 km (35 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14274 km (8870 mi) distance
    | | Details
  • 10 Nov 1975 18:04 UTC
    | M 4.8 |
    122 km (75.8 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14274 km (8870 mi) distance
    | | Details
  • 03 Nov 1975 14:47 UTC
    | M 4.4 |
    170 km (105.6 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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