Overview
- On December 4, a magnitude 4.1 earthquake struck Bangladesh at 05:44:45 IST at 23.95 N, 90.72 E, at a depth of 30 km, according to the National Center for Seismology.
- On December 3, a magnitude 4.4 quake hit Northern Sumatra at 02:20:33 IST at 2.78 N, 97.90 E, at a shallow depth of 10 km, NCS reported.
- On December 2, a magnitude 4.2 event occurred in the Bay of Bengal at 07:26:35 IST at 20.56 N, 92.31 E, at a depth of 35 km, per NCS data.
- Earlier on December 2, NCS also logged a magnitude 3.9 earthquake in Tajikistan at 04:35:14 IST at 37.15 N, 72.43 E, at a depth of 75 km.
- Context from agency reports notes Indonesia's Ring of Fire setting and Bangladesh's complex plate boundaries, and recalls the November 21 Bangladesh magnitude 5.5 quake that caused fatalities as a reminder of regional risk and monitoring needs.