Strong mag. 6.7 earthquake - Minahasa, Sulawesi, Indonesia, on Thursday, 8 August 1991 at 02:09 (GMT)
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Strong magnitude 6.7 earthquake at 12 km depth
Magnitude: 6.7
Depth: 12.4 km
Epicenter latitude / longitude: 0.972°N / 122.631°E
(Indonesia)Nearest volcano: Una Una (171 km / 106 mi)
Nearby towns and cities:
68 km (42 mi) NW of Gorontalo (pop: 144,200) --> See nearby quakes!
215 km (133 mi) N of Luwuk (pop: 47,800) --> See nearby quakes!
245 km (152 mi) W of Tomohon (pop: 27,600) --> See nearby quakes!
253 km (157 mi) WSW of Manado (pop: 451,900) --> See nearby quakes!
256 km (159 mi) W of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
290 km (180 mi) W of Bitung (pop: 137,400) --> See nearby quakes!
336 km (209 mi) NE of Poso (pop: 47,100) --> See nearby quakes!
371 km (231 mi) NE of Palu (pop: 282,400) --> See nearby quakes!
517 km (321 mi) NNE of Palopo (pop: 129,300) --> See nearby quakes!
1926 km (1197 mi) ENE of Jakarta (pop: 8,540,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 atomic bombs!) More info
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.
| Magnitude | Depth | Location | Source |
| M 6.7 | 12 km | Minahasa, Sulawesi, Indonesia | 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!
Aftershocks of the 6.7 quake Minahasa, Sulawesi, Indonesia, 8 August 1991 02:09 GMT
More info
Recorded aftershocks, latest first (6 quakes):- 29 Jan 1992 12:00 UTC| M 5.0 |33 km (20.5 mi) depth|37 km (23 mi) distance| USGS | Details
- 06 Jan 1992 14:28 UTC| M 5.3 |58.4 km (36.3 mi) depth|85 km (53 mi) distance| USGS | Details
- 01 Nov 1991 02:51 UTC| M 6.0 |37.1 km (23.1 mi) depth|65 km (41 mi) distance| USGS | Strong mag. 6.0 earthquake - Minahasa, Sulawesi, Indonesia, on Friday, 1 November 1991 at 02:51 (GMT)
- 09 Aug 1991 06:28 UTC| M 5.3 |37.3 km (23.2 mi) depth|49 km (31 mi) distance| USGS | Details
- 08 Aug 1991 22:08 UTC| M 5.1 |33 km (20.5 mi) depth|40 km (25 mi) distance| USGS | Details
- 08 Aug 1991 04:00 UTC| M 5.4 |45.2 km (28.1 mi) depth|36 km (22 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.7 earthquake - Minahasa, Sulawesi, Indonesia, on Thursday, 8 August 1991 at 02:09 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
