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Just over 500 km away, Hanoi is still shaking. If the earthquake is stronger than 7 degrees, how much will high-rise buildings in Vietnam be affected?
On the evening of May 18, 2026, a series of residents in Hanoi suddenly felt the shaking phenomenon for a few seconds. The ceiling lights swayed, the water in the glass rippled, many people living in high-rise apartments simultaneously shared the feeling of "the building is wobbling".
According to the Earthquake Information and Tsunami Warning Center, the epicenter came from Liuzhou city, Guangxi province, China, with a magnitude of 5.2 and a depth of about 10 km. Although located more than 500 km from Hanoi, seismic waves still propagate to the Northern Delta region. 
Why Hanoi Felt The Tremor Clearly
1. The epicenter is quite shallow, only about 10 km, so the energy spreads strongly.
2. Hanoi is located on the soft sedimentary soil of the Red River Delta.
3. High-rise buildings act like pendulums, amplifying oscillations.
4. People on the 15th to 40th floors often feel much more clearly.
Seismic Analysis Table
Parameter Value
Earthquake magnitude 5.2 magnitude
Epicenter depth 10 km
Distance to Vietnam border 294 km
Distance to Hanoi More than 500 km
Risk level in Vietnam 0
Time of occurrence: 8:44 p.m. May 18, 2026
The Higher the Floor, the Stronger the Vibration
Location Perception level
Ground level House Almost imperceptible
Floors 5 to 10 Feeling light
Floors 10 to 20 Clear rbad
On the 20th floor It's easy to panic
Scientific Mechanism
Seismic waves include P waves, S waves and ground waves. When passing through soft ground like Hanoi, the amplitude of vibrations increases, making it felt much more clearly by residents in high-rise apartments than in hard rock ground areas.
️ Damage in Guangxi
According to international sources, the earthquake caused many structures to be damaged, thousands of people were evacuated and rescue forces were urgently deployed. 
What People Should Do When They Feel Shaking
1. Stay calm, don't jostle down the stairs.
2. Stay away from glass doors, high cabinets and easily falling objects.
3. If outdoors, stay away from billboards and electricity poles.
4. Follow notifications from authorities.
Comparison with Strong Earthquakes
Typical Impact Magnitude
3.0 to 4.9 Mild sensation
5.0 to 5.9 Clear vibration indoors
6.0 to 6.9 May cause damage
7.0 or higher Severe damage
What Makes Many People Worry
The fact that an earthquake abroad still causes visible shaking in Hanoi shows that large cities increasingly need to pay attention to anti-vibration construction standards, especially when the density of high-rise apartments continues to increase sharply.
Conclusion
The 5.2 magnitude earthquake in Guangxi is a reminder that nature always has unpredictable surprises. Although the risk level in Vietnam is zero, the shaking phenomenon in Hanoi has startled millions of people and made them more concerned about construction safety.
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