Major magnitude 7.3 earthquake - Banda Sea, Indonesia, on Thursday, November 24, 1983 at 05:30 (GMT)

Major magnitude 7.3 earthquake - Banda Sea, Indonesia, on Thursday, November 24, 1983 at 05:30 (GMT)

Major magnitude 7.3 earthquake at 179 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Nov 24, 1983 05:30:34 UTC
Magnitude: 7.3
Depth: 178.5 km
Epicenter latitude / longitude: 7.481°S / 128.168°E (Banda Sea, Indonesia)
Antipode: 7.481°N / 51.832°W
Nearest volcano: Wurlali (69 km / 43 mi)
Nearby towns and cities:
173 km (108 mi) NE of Lospalos (Timor-Leste) (pop: 17,200) --> See nearby quakes!
219 km (136 mi) ENE of Baucau (Timor-Leste) (pop: 16,000) --> See nearby quakes!
236 km (146 mi) NE of Venilale (Timor-Leste) (pop: 16,000) --> See nearby quakes!
310 km (193 mi) ENE of Delhi (Timor-Leste) (pop: 150,000) --> See nearby quakes!
318 km (198 mi) ENE of Aileu (Timor-Leste) (pop: 17,400) --> See nearby quakes!
335 km (208 mi) ENE of Likisa (Timor-Leste) (pop: 19,000) --> See nearby quakes!
350 km (217 mi) ENE of Maubara (Timor-Leste) (pop: 16,300) --> See nearby quakes!
365 km (227 mi) ENE of Maliana (Timor-Leste) (pop: 22,000) --> See nearby quakes!
380 km (236 mi) ENE of Suai (Timor-Leste) (pop: 21,500) --> See nearby quakes!
403 km (251 mi) ENE of Atambua (Kabupaten Belu) (pop: 35,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) More info
Show interactive Map
[smaller] [bigger]
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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.
Mag.DepthLocationSource
7.3179 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!
Volcanoes & Earthquakes - new app for Android

Aftershocks

[More info]

Recorded aftershocks, latest first (217 quakes)

  • 24 Nov 1985 16:44 UTC
    | M 3.8 |
    154.1 km (95.8 mi) depth
    |
    227 km (141 mi) distance
    | USGS | Details
  • 18 Nov 1985 18:16 UTC
    | M 4.4 |
    119.3 km (74.1 mi) depth
    |
    67 km (42 mi) distance
    | USGS | Details
  • 15 Nov 1985 05:00 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    145 km (90 mi) distance
    | USGS | Details
  • 13 Nov 1985 17:23 UTC
    | M 4.4 |
    148.2 km (92.1 mi) depth
    |
    76 km (47 mi) distance
    | USGS | Details
  • 10 Nov 1985 20:46 UTC
    | M 5.2 |
    160.2 km (99.5 mi) depth
    |
    126 km (79 mi) distance
    | USGS | Details
  • 03 Nov 1985 21:13 UTC
    | M 4.7 |
    124.1 km (77.1 mi) depth
    |
    117 km (73 mi) distance
    | USGS | Details
  • 31 Oct 1985 19:34 UTC
    | M 4.8 |
    116.3 km (72.3 mi) depth
    |
    154 km (96 mi) distance
    | USGS | Details
  • 27 Oct 1985 15:21 UTC
    | M 4.2 |
    220.6 km (137.1 mi) depth
    |
    143 km (89 mi) distance
    | USGS | Details
  • 22 Oct 1985 21:51 UTC
    | M 4.5 |
    419.2 km (260.5 mi) depth
    |
    180 km (112 mi) distance
    | USGS | Details
  • 17 Oct 1985 12:44 UTC
    | M 4.9 |
    164.5 km (102.2 mi) depth
    |
    232 km (144 mi) distance
    | USGS | Details
  • 12 Oct 1985 21:51 UTC
    | M 4.2 |
    143.3 km (89 mi) depth
    |
    41 km (25 mi) distance
    | USGS | Details
  • 05 Oct 1985 09:59 UTC
    | M 5.0 |
    60.8 km (37.8 mi) depth
    |
    265 km (165 mi) distance
    | USGS | Details
  • 01 Oct 1985 10:48 UTC
    | M 4.2 |
    124.3 km (77.2 mi) depth
    |
    197 km (122 mi) distance
    | USGS | Details
  • 29 Sep 1985 22:48 UTC
    | M 4.5 |
    219.8 km (136.6 mi) depth
    |
    258 km (160 mi) distance
    | USGS | Details
  • 28 Sep 1985 04:20 UTC
    | M 5.1 |
    178.5 km (110.9 mi) depth
    |
    217 km (135 mi) distance
    | USGS | Details
  • 28 Sep 1985 01:00 UTC
    | M 4.4 |
    122.9 km (76.4 mi) depth
    |
    238 km (148 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.