
Second earthquake of magnitude 4.6 hits Andaman Sea in one day
Jun 30, 2025
Port Blair (Andaman and Nicobar Islands) [India], June 30 : The Andaman Sea experienced a second earthquake of magnitude 4.6 on the Richter Scale today, with the tremors occurring at 11.22 am, just an hour after the first quake at 10:09 am.
According to the National Centre for Seismology (NCS), this earthquake also occurred at a depth of 10 kilometres.
The social media post on CNS reads, "EQ of M: 4.6, On: 30/06/2025 11:22:23 IST, Lat: 9.45 N, Long: 93.93 E, Depth: 10 Km, Location: Andaman Sea."
https://x.com/NCS_Earthquake/status/1939565397998739900
Earlier today, an earthquake of magnitude 4.7 hit the Andaman Sea, according to the National Centre for Seismology (NCS).
According to the NCS, the earthquake occurred at 10:09 am at a depth of 10 kilometres.
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.