Mag. 3.5 earthquake - 90 km west of Waingapu, Kabupaten Sumba Timur, Nusa Tenggara Timur, Indonesia, on Monday, 5 October 2020 at 03:25 (GMT) -
This quake was likely an aftershock of the 5.0 quake Indian Ocean, 96 km west of Waingapu, East Nusa Tenggara, Indonesia, 5 October 2020 03:07 GMT, which had occurred 17 minutes earlier.
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Minor magnitude 3.5 earthquake at 46 km depth
5 Oct 03:40 UTC: First to report: BMKG after 15 minutes.
6 Oct 18:51: Magnitude recalculated from 3.4 to 3.5. Hypocenter depth recalculated from 47.0 to 46.0 km (from 29 to 29 mi).
8 Oct 18:42: Now using data updates from BMKG
6 Oct 18:51: Magnitude recalculated from 3.4 to 3.5. Hypocenter depth recalculated from 47.0 to 46.0 km (from 29 to 29 mi).
8 Oct 18:42: Now using data updates from BMKG
Magnitude: 3.5
Depth: 46.0 km
Epicenter latitude / longitude: 9.77°S / 119.45°E

Nearest volcano: Wai Sano (132 km / 82 mi)
Nearby towns and cities:
90 km (56 mi) W of Waingapu (pop: 48,800) --> See nearby quakes!
131 km (82 mi) S of Komodo (pop: 2,000) --> See nearby quakes!
150 km (93 mi) SSW of Labuan Bajo (pop: 188,700) --> See nearby quakes!
166 km (103 mi) SSE of Bima (pop: 67,000) --> See nearby quakes!
170 km (106 mi) SW of Ruteng (Kabupaten Manggarai) (pop: 34,600) --> See nearby quakes!
175 km (109 mi) SE of Dompu (pop: 49,000) --> See nearby quakes!
264 km (164 mi) WSW of Ende (pop: 77,200) --> See nearby quakes!
264 km (164 mi) ESE of Sumbawa Besar (pop: 52,700) --> See nearby quakes!
389 km (242 mi) ESE of Mataram (pop: 318,700) --> See nearby quakes!
1443 km (897 mi) ESE of Jakarta (pop: 8,540,100) --> See nearby quakes!
57 km (35 mi) W of Pulau Sumba Island (pop: 686,100) --> See nearby quakes!
29 km (18 mi) WNW of Pulau Watusipu Island --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
29.3°C (85 F), humidity: 61%, wind: 4 m/s (8 kts) from SSE
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Overcast Clouds

Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 46 km | Sumba Region, Indonesia | BMKG |
M 3.4 | 47 km | Sumba Region, Indonesia | EMSC |
M 3.5 | 46 km | Sumba Region, Indonesia | BMKG |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Mag. 3.5 earthquake - 90 km west of Waingapu, Kabupaten Sumba Timur, Nusa Tenggara Timur, Indonesia, on Monday, 5 October 2020 at 03:25 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!