Earthquake · Reviewed by USGS

M4.2 earthquake 140 km SE of Port Blair, India

A magnitude 4.2 earthquake struck 140 km SE of Port Blair, India at Dec 13, 2025, 06:18 UTC, at a depth of 168 km. The epicentre was 140 km (87 mi) SE of Port Blair.

Details

Magnitude	4.2 mb
Time	Dec 13, 2025, 06:18 UTC
Depth	167.6 km
Coordinates	10.917, 93.781
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.5	157 km SSE of Port Blair, India	93 km / 58 mi	depth 69 km	Sep 12, 03:59 UTC
4.8	150 km SE of Port Blair, India	51 km / 32 mi	depth 111 km	Aug 11, 19:55 UTC
4.6	170 km SE of Port Blair, India	51 km / 31 mi	depth 10 km	Apr 8, 22:13 UTC
4.6	186 km SE of Port Blair, India	71 km / 44 mi	depth 10 km	Mar 28, 11:52 UTC
4.3	171 km SE of Port Blair, India	33 km / 20 mi	depth 128 km	Feb 23, 10:11 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.