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An earthquake of magnitude 4.1 struck Mangan in Sikkim on Saturday, the National Centre for Seismology (NCS) said.
The earthquake occurred at 8:46 pm at a shallow depth of 14 kilometres. "EQ of M: 4.1, On: 21/03/2026 20:46:01 IST, Lat: 27.556 N, Long: 88.576 E, Depth: 14 Km, Location: Mangan, Sikkim," NCS wrote on X. https://x.com/NCS_Earthquake/status/2035379688626176054?s=20 Further details are awaited. Earlier today, an earthquake of magnitude 2.9 struck Kokrajhar in Assam, at a depth of five kilometres. "EQ of M: 2.9, On: 21/03/2026 11:59:21 IST, Lat: 26.340 N, Long: 89.925 E, Depth: 5 Km, Location: Kokrajhar, Assam," NCS said. Earthquakes can occur anywhere between the Earth's surface and about 700 kilometres below the surface. For scientific purposes, this earthquake depth range of 0 - 700 km is divided into three zones: shallow, intermediate, and deep, as per USGS data. Shallow earthquakes are between 0 and 70 km deep; intermediate earthquakes, 70 - 300 km deep; and deep earthquakes, 300 - 700 km deep. In general, the term "deep-focus earthquakes" is applied to earthquakes deeper than 70 km, the USGS states. Sikkim and parts of north-east India are prone to earthquakes due to the tectonic movement amid several active geological faults near the Himalayas. (ANI)
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