Post by : Meena Ariff

Two earthquakes recently struck the Tibetan region, raising concerns about seismic safety. The first earthquake registered a magnitude of 4.3 and occurred at a depth of 90 kilometers. It was recorded on January 14, 2026, at 12:27 PM IST, with coordinates 27.96° N latitude and 87.87° E longitude.

Earlier, on January 13, 2026, at 11:50 PM IST, a second earthquake of magnitude 3.8 hit Tibet at a shallower depth of 10 kilometers, located at 30.49° N latitude and 81.25° E longitude.

Shallow earthquakes, such as the second event, tend to be more dangerous because their seismic waves travel a shorter distance to the surface, resulting in stronger ground shaking and potentially greater damage and casualties.

The Tibetan Plateau is a highly seismic area due to the collision of the Indian tectonic plate with the Eurasian plate. This tectonic activity pushes the land upward, creating the Himalayan mountain range and leading to frequent earthquakes.

The region’s geology is shaped by various fault systems. Northern Tibet mainly experiences strike-slip faulting, where sections of the earth’s crust slide past one another, while the southern area shows east-west extension with north-south trending normal faults. These fault systems have been studied since the 1970s using satellite imagery, revealing several rifts formed 4 to 8 million years ago.

Major earthquakes in Tibet, reaching magnitudes around 8.0, typically occur along strike-slip faults. Normal fault earthquakes, like those recently observed, are generally smaller but still significant, with previous quakes ranging between magnitudes 5.9 to 7.1 recorded across the plateau in 2008.

The recent seismic activity highlights the ongoing tectonic forces shaping Tibet’s landscape and the importance of earthquake preparedness in this vulnerable region.

#Global News