Indian Ocean, December 9 (ANI): An earthquake measuring 5.4 struck the Indian Ocean on Tuesday, the National Center for Seismology (NCS) said.
The quake occurred at a shallow depth of 10 km, increasing the likelihood of aftershocks.
In a post on X, the NCS said, “EQ of M: 5.4, On: 09/12/2025 12:32:54 IST, Lat: 2.80 N, Long: 96.10 E, Depth: 10 Km, Location: Indian Ocean.”
https://x.com/NCS_Earthquake/status/1998290880319615154?s=20
Shallow earthquakes are generally more hazardous than deeper ones because seismic waves travel a shorter distance to the surface, producing stronger ground shaking that can cause greater damage and casualties.
Earlier on December 2, an earthquake of magnitude 4.8 struck the region at a depth of 63 km. The NCS posted: “EQ of M: 4.8, On: 02/12/2025 18:46:29 IST, Lat: 0.64 N, Long: 98.70 E, Depth: 63 Km, Location: Indian Ocean.”
https://x.com/NCS_Earthquake/status/1995847853814735204?s=20
For historical context, on December 26, 2004, a massive undersea megathrust earthquake of magnitude 9.2–9.3 struck off the west coast of Aceh, northern Sumatra. The Sumatra-Andaman earthquake, caused by rupture between the Burma and Indian plates, reached Mercalli intensity IX in some areas and generated a tsunami with waves up to 30 m (100 ft). The Boxing Day Tsunami devastated Indian Ocean coastlines and killed an estimated 227,898 people across 14 countries, particularly in Aceh (Indonesia), Sri Lanka, Tamil Nadu (India), and Khao Lak (Thailand). It remains the deadliest tsunami in history and one of the deadliest natural disasters in recorded history. (ANI)
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