Minor mag. 2.6 earthquake - Indian Ocean, 50 km southeast of Singkil, Aceh, Indonesia, on Monday, Aug 23, 2021 12:56 am (GMT +7) -

Minor mag. 2.6 earthquake - Indian Ocean, 50 km southeast of Singkil, Aceh, Indonesia, on Monday, Aug 23, 2021 12:56 am (GMT +7)

Minor magnitude 2.6 earthquake at 36 km depth

22 Aug 18:05 UTC: First to report: BMKG after 9 minutes.
Date & time: Aug 22, 2021 17:56:28 UTC -
Local time at epicenter: Monday, Aug 23, 2021 12:56 am (GMT +7)
Magnitude: 2.6
Depth: 36.0 km
Epicenter latitude / longitude: 1.95°N / 98.08°E (Indian Ocean, Indonesia)
Antipode: 1.95°S / 81.92°W
Nearest volcano: Toba (94 km / 58 mi)
Nearby towns and cities:
50 km (31 mi) SE of Singkil (pop: 46,800) --> See nearby quakes!
81 km (51 mi) WNW of Sibolga (pop: 79,700) --> See nearby quakes!
117 km (73 mi) SW of Tomok Bolon (Kabupaten Samosir) (pop: 10,000) --> See nearby quakes!
124 km (77 mi) SW of Parapat (Kabupaten Simalungun) (pop: 10,000) --> See nearby quakes!
105 km (66 mi) NNE of Nias Island (pop: 756,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 27.4°C (81 F), humidity: 74%, wind: 2 m/s (3 kts) from NNW
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Estimated released energy: 5 x 108 joules (139 kilowatt hours, equivalent to 0.12 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
2.636 kmNorthern Sumatra, IndonesiaBMKG

User reports for this quake

At magnitude 2.6, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.