On March 28, 2025, a powerful 7.7-magnitude earthquake struck central Myanmar, sending shockwaves as far as Bangkok, Thailand. The quake, which originated near the Sagaing region close to Mandalay, caused widespread destruction, with over 1,000 lives lost and thousands more injured. But what exactly caused the catastrophic Myanmar Earthquake? Let’s explore the science behind the quake and why it was so devastating.

The Sagaing Fault: A Tectonic Ticking Time Bomb

Myanmar sits on a major tectonic boundary where the Indian Plate meets the Eurasian Plate. This boundary runs roughly north to south through the country and is known as the Sagaing Fault. According to experts from University College London, the plates move horizontally past each other in what’s known as a “strike-slip” motion. While these types of earthquakes are generally less intense than those in subduction zones (where one plate dives beneath another), they can still pack a serious punch—especially when they occur close to the Earth’s surface.

That’s exactly what happened in this case. The earthquake struck at a shallow depth of just 10 kilometers, which meant that the seismic energy had less distance to travel before hitting the surface. The result? Buildings and infrastructure bore the full brunt of the shockwaves, leading to catastrophic damage.

Also Read: World’s Most Active Earthquake Zones

Why Was This Myanmar Earthquake So Destructive?

While Myanmar is no stranger to seismic activity, large-scale quakes in the Sagaing region are relatively rare. This has led to a lack of robust building codes and preparedness, especially in rural and economically disadvantaged areas. As a result, many structures were not built to withstand such a powerful tremor. The US Geological Survey warned that economic losses could reach up to 70% of Myanmar’s GDP, and the death toll could rise significantly as rescue efforts continue.

Thailand, though further from the epicenter, also felt the impact. In Bangkok, over 640 miles away, buildings swayed, and panic ensued. The city’s soft soil composition makes it particularly vulnerable to distant seismic waves, amplifying the shaking and increasing the risk of structural damage.

A Wake-Up Call for the Region

This earthquake serves as a stark reminder of the region’s vulnerability to natural disasters. While scientists can identify fault lines and assess long-term risks, predicting the exact timing of an earthquake remains impossible. What can be done, however, is to invest in earthquake-resistant infrastructure, enforce strict building codes, and educate communities on emergency preparedness.

As Myanmar continues to grapple with the aftermath—compounded by ongoing civil unrest—the international community has begun mobilizing aid. But the long-term solution lies in understanding the science and preparing for the next inevitable shake.

In the end, the Earth’s crust may be out of our control, but how we respond to its movements is entirely in our hands.

Also Read: What Are The Causes Of Earthquake?