Earthquake · Reviewed by USGS

M4.6 earthquake 276 km SSE of Port Blair, India

A magnitude 4.6 earthquake struck 276 km SSE of Port Blair, India at Jul 4, 2025, 02:11 UTC, at a depth of 10 km. The epicentre was 278 km (173 mi) SSE of Port Blair.

Details

Magnitude	4.6 mb
Time	Jul 4, 2025, 02:11 UTC
Depth	10.0 km
Coordinates	9.454, 93.927
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

Port Blair278 km (173 mi)

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.3	Nicobar Islands, India region	47 km / 29 mi	depth 10 km	Apr 10, 03:36 UTC
4.6	186 km SE of Port Blair, India	95 km / 59 mi	depth 10 km	Mar 28, 11:52 UTC
4.4	237 km SSE of Port Blair, India	41 km / 26 mi	depth 10 km	Sep 3, 13:52 UTC
4.4	Nicobar Islands, India region	48 km / 30 mi	depth 10 km	Aug 10, 18:44 UTC
4.4	289 km SSE of Port Blair, India	20 km / 13 mi	depth 10 km	Aug 10, 06:18 UTC
5.0	287 km SSE of Port Blair, India	11 km / 7 mi	depth 40 km	Jul 30, 17:21 UTC
4.3	Nicobar Islands, India region	39 km / 24 mi	depth 10 km	Jul 29, 19:20 UTC
4.5	286 km SSE of Port Blair, India	10 km / 6 mi	depth 10 km	Jul 29, 17:14 UTC
4.9	285 km SSE of Port Blair, India	11 km / 7 mi	depth 10 km	Jul 29, 16:24 UTC
4.0	297 km SSE of Port Blair, India	23 km / 14 mi	depth 10 km	Jul 29, 16:23 UTC
5.0	288 km SSE of Port Blair, India	11 km / 7 mi	depth 10 km	Jul 29, 16:11 UTC
4.8	276 km SSE of Port Blair, India	5 km / 3 mi	depth 10 km	Jul 29, 15:47 UTC
4.5	298 km SSE of Port Blair, India	25 km / 15 mi	depth 10 km	Jul 26, 10:56 UTC
4.9	286 km SSE of Port Blair, India	41 km / 25 mi	depth 133 km	Jul 25, 12:57 UTC
4.2	245 km SSE of Port Blair, India	48 km / 30 mi	depth 108 km	Jul 18, 06:31 UTC
4.3	Nicobar Islands, India region	40 km / 25 mi	depth 10 km	Jul 17, 00:19 UTC
4.2	276 km SSE of Port Blair, India	3 km / 2 mi	depth 10 km	Jul 16, 23:13 UTC
4.4	Nicobar Islands, India region	32 km / 20 mi	depth 10 km	Jul 16, 07:27 UTC
4.3	287 km SSE of Port Blair, India	19 km / 12 mi	depth 10 km	Jul 15, 06:48 UTC
4.4	271 km SSE of Port Blair, India	39 km / 24 mi	depth 10 km	Jul 13, 19:14 UTC
5.2	285 km SSE of Port Blair, India	14 km / 9 mi	depth 11 km	Jul 13, 13:14 UTC
4.3	Nicobar Islands, India region	49 km / 30 mi	depth 10 km	Jul 7, 10:50 UTC
4.4	291 km SSE of Port Blair, India	29 km / 18 mi	depth 10 km	Jul 7, 10:28 UTC
5.1	287 km SSE of Port Blair, India	11 km / 7 mi	depth 10 km	Jul 7, 10:16 UTC
4.9	286 km SSE of Port Blair, India	19 km / 12 mi	depth 10 km	Jul 7, 09:42 UTC

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