Moderate mag. 5.5 earthquake - Sumbawa Region, Indonesia, on Friday, 7 October 1977 at 23:23 (GMT)

Moderate mag. 5.5 earthquake - Sumbawa Region, Indonesia, on Friday, 7 October 1977 at 23:23 (GMT)

Moderate magnitude 5.5 earthquake at 33 km depth

Date & time: 7 Oct 1977 23:23:46 UTC
Magnitude: 5.5
Profondeur: 33.0 km
Epicenter latitude / longitude: 9.998°S / 117.146°E (Indonésie)
Volcan le plus près: Sangenges (158 km / 98 mi)
Nearby towns and cities:
170 km S de Sumbawa Besar (pop: 52,700) --> Voir les séismes à proximité!
173 km SE de Praya (Kabupaten Lombok Tengah) (pop: 35,200) --> Voir les séismes à proximité!
194 km SE de Mataram (pop: 318,700) --> Voir les séismes à proximité!
218 km SO de Dompu (pop: 49,000) --> Voir les séismes à proximité!
240 km SE de Amlapura (pop: 31,900) --> Voir les séismes à proximité!
240 km SE de Karangasem (pop: 31,900) --> Voir les séismes à proximité!
244 km SO de Bima (pop: 67,000) --> Voir les séismes à proximité!
252 km SE de Klungkung (pop: 27,800) --> Voir les séismes à proximité!
259 km SE de Denpasar (pop: 834,900) --> Voir les séismes à proximité!
1210 km ESE de Jakarta (pop: 8,540,100) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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.
MagnitudeProfondeurLocationSource
M 5.533 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 5.5 quake Sumbawa Region, Indonesia, 7 October 1977 23:23 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 09 Oct 1977 10:03 UTC
    | M 5.6 |
    33 km (20.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 08 Oct 1977 19:30 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 08 Oct 1977 18:08 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 08 Oct 1977 01:58 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    10 km (7 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.5 earthquake - Sumbawa Region, Indonesia, on Friday, 7 October 1977 at 23:23 (GMT)
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