Mag. 4.2 earthquake - 166 km southwest of Labuan Bajo, Kabupaten Manggarai Barat, Nusa Tenggara Timur, Indonesia, on Thursday, 6 August 2020 at 20:47 (GMT) -
This quake was likely an aftershock of the 5.3 quake East Nusa Tenggara, 136 km south of Bima, Bima City, West Nusa Tenggara, Indonesia, 5 August 2020 08:27 GMT, which had occurred 1 day 12 hours earlier.
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Light magnitude 4.2 earthquake at 10 km depth
6 Aug 20:55 UTC: First to report: BMKG after 8 minutes.
Aug 6 21:00: Magnitude recalculated from 3.8 to 4.3.
Aug 7 15:55: Magnitude recalculated from 4.3 to 4.2.
Aug 6 21:00: Magnitude recalculated from 3.8 to 4.3.
Aug 7 15:55: Magnitude recalculated from 4.3 to 4.2.
Magnitude: 4.2
Depth: 10.0 km
Epicenter latitude / longitude: 9.75°S / 119.07°E

Nearest volcano: Gilbanta (153 km / 95 mi)
Nearby towns and cities:
131 km (82 mi) W of Waingapu (pop: 48,800) --> See nearby quakes!
148 km (92 mi) SSE of Bima (pop: 67,000) --> See nearby quakes!
151 km (94 mi) SSE of Dompu (pop: 49,000) --> See nearby quakes!
166 km (103 mi) SSW of Labuan Bajo (pop: 188,700) --> See nearby quakes!
199 km (123 mi) SW of Ruteng (Kabupaten Manggarai) (pop: 34,600) --> See nearby quakes!
229 km (142 mi) SE of Sumbawa Besar (pop: 52,700) --> See nearby quakes!
302 km (188 mi) WSW of Ende (pop: 77,200) --> See nearby quakes!
349 km (217 mi) ESE of Mataram (pop: 318,700) --> See nearby quakes!
440 km (274 mi) ESE of Denpasar (pop: 834,900) --> See nearby quakes!
1403 km (871 mi) ESE of Jakarta (pop: 8,540,100) --> See nearby quakes!
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) 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 4.2 | 10 km | Sumba Region, Indonesia | BMKG |
M 4.3 | 10 km | Sumba Region, Indonesia | EMSC |
User reports for this quake
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Mag. 4.2 earthquake - 166 km southwest of Labuan Bajo, Kabupaten Manggarai Barat, Nusa Tenggara Timur, Indonesia, on Thursday, 6 August 2020 at 20:47 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!