Light mag. 3.1 earthquake - 86 km west of Kotabumi, Lampung, Indonesia, on Thursday, Oct 21, 2021 at 11:38 am (GMT +7) -
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Light magnitude 3.1 earthquake at 10 km depth
21 Oct 04:47 UTC: First to report: EMSC after 9 minutes.
21 Oct 04:55: Now using data updates from BMKG
21 Oct 04:55: Now using data updates from BMKG
Local time at epicenter: Thursday, Oct 21, 2021 at 11:38 am (GMT +7)
Magnitude: 3.1
Depth: 10.0 km
Epicenter latitude / longitude: 5.07°S / 104.15°E

Antipode: 5.07°N / 75.85°W
Nearest volcano: Sekincau Belirang (19 km / 12 mi)
Nearby towns and cities:
86 km (53 mi) WSW of Kotabumi (pop: 42,400) --> See nearby quakes!
105 km (65 mi) S of Baturaja (South Sumatra) (pop: 134,800) --> See nearby quakes!
120 km (75 mi) W of Terbanggi Besar (pop: 52,600) --> See nearby quakes!
128 km (80 mi) W of Metro (pop: 149,500) --> See nearby quakes!
129 km (80 mi) WNW of Bandar Lampung (pop: 800,300) --> See nearby quakes!
132 km (82 mi) SSE of Tanjungagung (South Sumatra) (pop: 53,100) --> See nearby quakes!
153 km (95 mi) SE of Pagar Alam (South Sumatra) (pop: 70,400) --> See nearby quakes!
158 km (98 mi) SSE of Lahat (South Sumatra) (pop: 65,900) --> See nearby quakes!
324 km (202 mi) WNW of Jakarta (pop: 8,540,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
23.6°C (75 F), humidity: 79%, wind: 1 m/s (1 kts) from SSW
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Broken Clouds

Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy
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.
Mag. | Depth | Location | Source |
3.1 | 10 km | Southern Sumatra, Indonesia | BMKG |
3.1 | 10 km | SOUTHERN SUMATRA, INDONESIA | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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