What was the magnitude rating of the primary seismic tremor that hit Myanmar and Thailand on March 28, 2025?
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Answer: B. 7.7
Explanation
Seismologists recorded a powerful earthquake measuring 7.7 in magnitude striking the Myanmar and Thailand border region. The massive tremor generated significant ground shaking that was felt across multiple neighboring countries. Such high-magnitude earthquakes release immense amounts of geological energy accumulated along active fault lines. Earthquake magnitudes are measured on the logarithmic moment magnitude scale, where each whole number represents exponential energy. The collision between the Indian and Eurasian tectonic plates creates high seismic activity throughout South and Southeast Asia. Deep hypocenters can sometimes mitigate surface destruction, but shallow high-magnitude quakes cause severe structural damage.
Option A represents a lower magnitude rating that would not correspond to this specific major regional tremor. Option C suggests a 7.0 magnitude, which underestimates the officially recorded energy release of this quake. Option D refers to a 6.8 magnitude tremor, whereas the actual event was verified as significantly stronger.
- Subject
- Current Affairs
- Category
- World Current Affairs
- Topic
- —
- Difficulty
- medium
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