Moderate mag. 4.6 earthquake - Indian Ocean, 140 km southeast of Yogyakarta, Indonesia, on Wednesday, Oct 27, 2021 11:17 am (GMT +7) -

Moderate mag. 4.6 earthquake - Indian Ocean, 140 km southeast of Yogyakarta, Indonesia, on Wednesday, Oct 27, 2021 11:17 am (GMT +7)

Moderate magnitude 4.6 earthquake at 10 km depth

27 Oct 04:25 UTC: First to report: BMKG after 8 minutes.
Date & time: Oct 27, 2021 04:17:35 UTC -
Local time at epicenter: Wednesday, Oct 27, 2021 11:17 am (GMT +7)
Magnitude: 4.6
Depth: 10.0 km
Epicenter latitude / longitude: 8.94°S / 110.9°E (Indian Ocean, Indonesia)
Antipode: 8.94°N / 69.1°W
Nearest volcano: Lawu (150 km / 93 mi)
Nearby towns and cities:
120 km (75 mi) S of Jatiroto (pop: 50,100) --> See nearby quakes!
132 km (82 mi) SSE of Sewon (pop: 73,600) --> See nearby quakes!
134 km (83 mi) SSW of Ponorogo (pop: 79,000) --> See nearby quakes!
139 km (86 mi) SSE of Kasihan (pop: 86,200) --> See nearby quakes!
140 km (87 mi) SSE of Yogyakarta (pop: 636,700) --> See nearby quakes!
141 km (87 mi) SSE of Depok (pop: 104,500) --> See nearby quakes!
141 km (88 mi) SSE of Klaten (pop: 126,800) --> See nearby quakes!
149 km (93 mi) S of Grogol (pop: 100,600) --> See nearby quakes!
218 km (136 mi) WSW of Malang (pop: 746,700) --> See nearby quakes!
540 km (336 mi) SE of Jakarta (pop: 8,540,100) --> See nearby quakes!
189 km (117 mi) SSE of Java Island (pop: 141,370,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain 27.6°C (82 F), humidity: 76%, wind: 6 m/s (12 kts) from SE
Primary data source: BMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
4.610 kmJava, IndonesiaBMKG
4.135 km122 Km S of Jatiroto, IndonesiaUSGS
4.224 kmSouth of Java, IndonesiaGFZ

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Malang / not felt (reported through our app)
Sewon Yogyakarta / Very weak shaking (MMI II) / very short : Kerasa tetapi cuma singkat (reported through our app)  
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.