History

Scientists find geological evidence of eastern Himalaya earthquake recorded in history

Scientists have found the first geological earthquake at Himebasti Village on the border of Assam and evidence of an Arunachal Pradesh, documented by earthquake in history, which is historians as Sadiya recorded to have caused massive destruction in the region and almost destroyed the town in 1697 CE. This finding could contribute to a seismic hazard map of the eastern Himalaya, which can facilitate construction and planning in the region.

Historical archives refer to often recurring earthquakes along the Eastern Himalaya for which geological evidence is lacking, raising the question of whether these events ruptured the surface or remained blind and how they contribute to the seismic budget of the region, which is home to millions of inhabitants. Scientists from Wadia Institute of Himalayan Geology (WIHG), a research institute under the Department of Science and Technology (DST), Govt. of India, carried out a mega trench excavation at Himebasti village, Arunachal Pradesh, India, where the most recent event records the imprints of the 1697 Sadiya earthquake and analysed geological it with modern techniques.

They found the first geological surface rupture signatures in the exposed form of deposits associated with rivers and streams deformed by a thrust fault along a Northeast dipping fault zone. In order to constrain the causative faulting event at this site, the team dated twenty- one radiocarbon samples from the trench exposure. They also found large tree trunks embedded in the youngest flood deposits at the exit of the Subansiri River (Sadiya town is located roughly 145 km southeast of Subansiri river), suggesting the post-seismic aggradation of the river following an array of aftershocks till six months in an abortive fashion. This work has been recently published in the journal ‘Scientific Report’.

The study of the earthquake at Sadiya standing on a grassy plain, almost surrounded by forested Eastern Himalayas on the right bank of Lohit River, adds an important site to the seismic hazard assessment of the eastern Himalaya, which will benefit the inhabitants and help in providing better infrastructure across the Himalayan which is one of the most densely populated regions in the world. Eastern foothills.

PIB

5 Comments

5 Comments

  1. Pingback: หวยออนไลน์

  2. Pingback: blog

Leave a Reply

Your email address will not be published.

seventeen + fifteen =

News is information about current events. News is provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, and also on the testimony of observers and witnesses to events. It is also used as a platform to manufacture opinion for the population.

Contact Info

Address:
D 601  Riddhi Sidhi CHSL
Unnant Nagar Road 2
Kamaraj Nagar, Goreagaon West
Mumbai 400062 .

Email Id: [email protected]

West Bengal

Eastern Regional Office
Indsamachar Digital Media
Siddha Gibson 1,
Gibson Lane, 1st floor, R. No. 114,
Kolkata – 700069.
West Bengal.

Office Address

251 B-Wing,First Floor,
Orchard Corporate Park, Royal Palms,
Arey Road, Goreagon East,
Mumbai – 400065.

Download Our Mobile App

IndSamachar Android App IndSamachar IOS App
To Top
WhatsApp WhatsApp us