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A light magnitude 4.9 earthquake struck near Southwest Indian Ridge on Friday, August 28, 2026 at 07:12:55 PM UTC. This shallow crustal event (10.0 km depth) released energy equivalent to approximately 338 tons of TNT. Here is the verified US telemetry, live epicenter map, and ground shaking assessment.
4.9MB
Light Seismic Class
10.0km
Crustal Layer
28.323° S, 62.544° E
GPS Coordinates
338 tons
TNT Equivalent Power
US
USGS Real-time Feed
A magnitude 4.9 event is classified as a light earthquake. Noticeable shaking of indoor objects and rattling doors/windows. Generally causes none to slight non-structural damage in older buildings.
The epicenter occurred in a remote or offshore marine sector with no major population centers situated within the primary ground shaking perimeter.
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Earthquake strength is measured on a logarithmic scale. Compare this event with the full seismic scale:
Because seismic scales are logarithmic, each whole integer increase represents:
India's seismicity is fundamentally governed by its tectonic setting: Indian Plate colliding into the Eurasian Plate at ~40–50 mm/year driving Himalayan orogeny, plus intraplate stress release across the Indian Shield. Major regional fault structures include Main Himalayan Thrust (MHT), Main Frontal Thrust, Kutch Mainland Fault, Narmada-Son Lineament.
Originating at a depth of 10.0 km (Earth's Crust (0–70 km)), this rupture occurred occurred within the brittle upper crust. shallow earthquakes produce the highest peak ground acceleration and the sharpest surface shaking.
Seismologists note that minor aftershocks remain common in the 24 to 48 hours following tremors of magnitude 4.9. According to statistical seismic models, there is roughly a 5% probability of a subsequent event of equal or greater strength occurring in the same fault zone. Residents in India are advised to check living spaces for unsecured items.
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