Major magnitude. 7.9 earthquake - Biak Region, Indonesia, on Wednesday, 12 September 1979 at 05:17 (GMT)

Major magnitude. 7.9 earthquake  - Biak Region, Indonesia, on Wednesday, 12 September 1979 at 05:17 (GMT)

Major magnitude 7.9 earthquake at 5 km depth

Date & time: 12 Sep 1979 05:17:51 UTC###AGESTRINGCOPY###
Magnitude: 7.9
Depth: 5.0 km
Epicenter latitude / longitude: 1.679°S / 136.04°E (Indonesia)
Nearby towns and cities:
56 km (35 mi) S of Biak (Papua) (pop: 4,540)
196 km (122 mi) NNE of Nabire (Papua) (pop: 43,900)
238 km (148 mi) ESE of Manokwari (West Papua) (pop: 53,200)
521 km (323 mi) W of Abepura (Papua) (pop: 62,200)
529 km (328 mi) W of Jayapura (Papua) (pop: 134,900)
539 km (335 mi) E of Sorong (West Papua) (pop: 125,500)
571 km (355 mi) NE of Tual (Maluku) (pop: 39,500)
3278 km (2037 mi) E of Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 4.5 x 1016 joules (12408 gigawatt hours, equivalent to 1.1 x 107 tons of TNT or 667.2 atomic bombs!) [learn more]
[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!
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.
MagnitudeDepthLocationSource
M 7.95 kmBiak region, 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 of the 7.9 quake Biak Region, Indonesia, 12 September 05:17 UTC

More info
Recorded aftershocks, latest first (136 quakes):
  • 10 Sep 1981 14:33 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    255 km (158 mi) distance
    | USGS | Details
  • 08 Sep 1981 03:56 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    315 km (196 mi) distance
    | USGS | Details
  • 17 Aug 1981 02:17 UTC
    | M 5.8 |
    33.5 km (20.8 mi) depth
    |
    366 km (228 mi) distance
    | USGS | Details
  • 14 Aug 1981 18:05 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    286 km (178 mi) distance
    | USGS | Details
  • 25 Jul 1981 20:19 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    261 km (162 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    15128 km (9400 mi) distance
    | | Details
  • 23 Jul 1981 15:05 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    260 km (162 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    15128 km (9400 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    15128 km (9400 mi) distance
    | | Details
  • 16 Jul 1981 07:36 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    230 km (143 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    15128 km (9400 mi) distance
    | | Details
  • 14 Jul 1981 11:39 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    266 km (166 mi) distance
    | USGS | Details
  • 13 Jul 1981 10:22 UTC
    | M 5.6 |
    33 km (20.5 mi) depth
    |
    241 km (150 mi) distance
    | USGS | Details
  • 04 Jul 1981 12:54 UTC
    | M 4.0 |
    33 km (20.5 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 26 Jun 1981 12:22 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    279 km (173 mi) distance
    | USGS | Details
  • 24 May 1981 16:47 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    |
    306 km (190 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Major magnitude. 7.9 earthquake - Biak Region, Indonesia, on Wednesday, 12 September 1979 at 05:17 (GMT)
Volcanoes & Earthquakes - new app for Android
 

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional 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.