Further, according to the NCS, the earthquake occurred at a depth of 69 kms. "Earthquake of Magnitude:5.8, Occurred on 29-07-2023, 00:53:47 IST, Lat: 10.75 & Long: 93.47, Depth: 69 Km, Location: Andaman Islands," read a post on the official Twitter handle of National Centre for Seismology (NCS). Earthquake in Andaman and Nicobar Islands: Quake of Magnitude 5.8 Hits Islands.