Moderate mag. 5.6 earthquake - Sumbawa Region, Indonesia, on Sunday, 9 October 1977 at 16:57 (GMT)

Moderate mag. 5.6 earthquake  - Sumbawa Region, Indonesia, on Sunday, 9 October 1977 at 16:57 (GMT)

Moderate magnitude 5.6 earthquake at 33 km depth

Date & time: 9 Oct 1977 04:57:04 UTC###AGESTRINGCOPY###
Magnitude: 5.6
Depth: 33.0 km
Epicenter latitude / longitude: 9.995°S / 117.51°E (Indonesia)
Nearest volcano: Tarowa (160 km / 99 mi)
Nearby towns and cities:
160 km (100 mi) SW of Nangadoro (West Nusa Tenggara)
167 km (104 mi) S of Sumbawa Besar (Kabupaten Sumbawa, Nusa Tenggara Barat) (pop: 52,700)
193 km (120 mi) SSW of Dompu (Nusa Tenggara Barat) (pop: 49,000)
198 km (123 mi) SE of Praya (Kabupaten Lombok Tengah, Nusa Tenggara Barat) (pop: 35,200)
217 km (135 mi) SW of Bima (Nusa Tenggara Barat) (pop: 67,000)
219 km (136 mi) SE of Mataram (Qada Diwaniya, West Nusa Tenggara) (pop: 318,700)
293 km (182 mi) ESE of Denpasar (Bali) (pop: 834,900)
1247 km (775 mi) ESE of Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) [learn more]
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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.
M 5.633 kmSumbawa 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!
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Aftershocks of the 5.6 quake Sumbawa Region, Indonesia, 9 October 16:57 UTC

More info
Recorded aftershocks, latest first (4 quakes):
  • 19 Nov 1977 17:33 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    17 km (10 mi) distance
    | USGS | Details
  • 04 Nov 1977 16:02 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    16 km (10 mi) distance
    | USGS | Details
  • 16 Oct 1977 23:13 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    9 km (6 mi) distance
    | USGS | Details
  • 11 Oct 1977 02:04 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    5 km (3 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Moderate mag. 5.6 earthquake - Sumbawa Region, Indonesia, on Sunday, 9 October 1977 at 16:57 (GMT)
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