Dharamshala: A series of mild earthquakes rattled Dharamshala and adjoining regions of Chamba district in Himachal Pradesh over the past two days, reviving concerns about the area’s seismic vulnerability.
The first tremor struck on August 18 at 9:28 PM IST, measuring 3.9 on the Richter scale, with its epicenter 23 km from Dharamshala in Chamba district. This was followed by a sequence of shocks in the early hours of August 20:
3:27 AM: Magnitude 3.3, 77 km northeast of Dharamshala (Chamba district)
4:39 AM: Magnitude 4.0, 59 km northeast of Dharamshala (Chamba district)
8:18 AM: Magnitude 3.5, 98 km northeast of Dharamshala, near the Jammu & Kashmir–Chamba border
Although these tremors were minor and caused no reported damage, their frequency has raised public anxiety.
Some experts have suggested that prolonged intense monsoon rains in the region may be playing an indirect role in triggering small quakes. While science has not established a definitive link, research indicates that heavy rainfall increases water pressure underground, particularly along fault lines. This can reduce friction between rocks, sometimes releasing accumulated stress in the form of minor tremors.
However, geologists emphasize that major Himalayan earthquakes are driven by the collision of the Indian and Eurasian tectonic plates, a slow but powerful process that has been ongoing on for millions of years.
Kangra district lies in Seismic Zone V, the highest earthquake risk category in India. Tremors of magnitude 3–4 are considered minor, usually felt by residents but rarely causing structural damage. Scientists note that such frequent small quakes may even serve as “natural stress relievers” along fault lines, reducing the chances of a sudden large rupture.
Yet history offers a grim reminder of the region’s vulnerability. On April 4, 1905, the Kangra earthquake struck with a magnitude of 7.8, devastating the valley and killing more than 20,000 people. Over 100,000 buildings were destroyed, including Kangra Fort, Brajeshwari Temple, and St. John’s Church in Dharamshala. The quake was felt as far away as Amritsar, Lahore, Dehradun, and Saharanpur.
The Himalayas are the youngest and most tectonically active mountains in the world, formed around 50 million years ago by the northward push of the Indian plate into the Eurasian plate. This collision continues today, with the mountains rising at an average rate of about 1 cm per year.
While erosion from wind, water, and ice counters this uplift, the constant tectonic movement ensures that the region remains prone to frequent earthquakes—some small, some devastating.
As the tremors of the past days remind us, Dharamshala and the Kangra Valley remain one of the most sensitive earthquake-prone zones in India, demanding constant preparedness and awareness from both authorities and residents.
Arvind Sharma is an award winning bi-lingual journalist with more than 20 years of experience.
He has worked with Divya Himachal, Dainik Jagran, Dainik Bhasker, Vir Partap, Ajit and PTI.
In 2010, he was conferred the Himachal Kesri journalism award. He reports on the Tibetan Government in Exile, politics, sports, tourism and other topics. He lives in Dharamshala.
