In a social media post on X, the NCS wrote, “EQ of M: 4.7, On: 30/06/2025 10:09:03 IST, Lat: 9.43 N, Long: 94.17 E, Depth: 10 Km, Location: Andaman Sea.”

On June 25, an earthquake measuring 4.2 on the Richter scale struck the Andaman Sea, according to the National Centre for Seismology (NCS). As per the NCS, the quake occurred at 01:43 am at a depth of 20 km, with its epicentre located at 9.46°N latitude and 94.07°E longitude.

“EQ of M: 4.2, On: 25/06/2025 01:43:50 IST, Lat: 9.46 N, Long: 94.07 E, Depth: 20 Km, Location: Andaman Sea,” National Centre for Seismology wrote on X.

The Andaman Sea and the Andaman and Nicobar Islands fall within Seismic Zone V, the highest risk zone in India. The Alpine-Himalayan seismic belt, which extends up to the Andaman-Nicobar island region, is known to be one of the world’s seismically active belts, according to the Ministry of Earth Sciences.