Four earthquakes hit Arunachal’s Upper Siang in less than 24 hours

Twin earthquakes hit Arunachal Pradesh’s Upper Siang within two hours on Thursday, following a 5.4 magnitude earthquake in the region on Wednesday afternoon.

1 min readUpdated: Aug 6, 2026 11:45 AM IST

Image showing the epicentres of the earthquakes in Arunachal Pradesh (Source: National Center for Seismology).

Twin earthquakes hit Arunachal Pradesh in two hours early on Thursday. The first earthquake hit Upper Siang district around 5:45 AM, while the second was a minor tremor in the same region around 7: 17 AM, according to National Center for Seismology. Arunachal Pradesh has now been shaken by a total of four earthquakes in less than 24 hours.

EQ of M: 5.1, On: 06/08/2026 05:45:17 IST, Lat: 29.124 N, Long: 94.856 E, Depth: 11 Km, Location: Upper Siang, Arunachal Pradesh.
For more information Download the BhooKamp App https://t.co/5gCOtjdtw0 @DrJitendraSingh @OfficeOfDrJS @DrNKalaiselvi @GSuresh_NCS pic.twitter.com/DxgvUuzqsY

— National Center for Seismology (@NCS_Earthquake) August 6, 2026

Earlier around 3:36 PM on Wednesday, Arunachal was struck by a 5.4 magnitude earthquake and minutes earlier, it was struck by a weaker tremor of 3.4 magnitude.

EQ of M: 5.1, On: 06/08/2026 05:45:17 IST, Lat: 29.124 N, Long: 94.856 E, Depth: 11 Km, Location: Upper Siang, Arunachal Pradesh.
For more information Download the BhooKamp App https://t.co/5gCOtjdtw0 @DrJitendraSingh @OfficeOfDrJS @DrNKalaiselvi @GSuresh_NCS pic.twitter.com/DxgvUuzqsY

— National Center for Seismology (@NCS_Earthquake) August 6, 2026

Assam’s Nagaon district was also hit by a 3.1 earthquake on Wednesday.

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