Earthquake · Reviewed by USGS

M3.1 earthquake 76 km NNW of San Antonio, Puerto Rico

A magnitude 3.1 earthquake struck 76 km NNW of San Antonio, Puerto Rico at Sep 5, 2026, 03:09 UTC, at a depth of 4 km. The epicentre was 80 km (49 mi) NNW of Aguadilla.

Details

Magnitude	3.1 md
Time	Sep 5, 2026, 03:09 UTC
Depth	3.5 km
Coordinates	19.072, -67.486
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
3.2	57 km NW of San Antonio, Puerto Rico	19 km / 12 mi	depth 37 km	Oct 24, 21:07 UTC
3.2	77 km ENE of Punta Cana, Dominican Republic	34 km / 21 mi	depth 33 km	Oct 23, 00:13 UTC
3.4	67 km NNE of Punta Cana, Dominican Republic	80 km / 50 mi	depth 21 km	Oct 18, 18:28 UTC
3.4	65 km NE of Punta Cana, Dominican Republic	49 km / 31 mi	depth 10 km	Oct 15, 21:12 UTC
3.1	57 km NW of San Antonio, Puerto Rico	24 km / 15 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	73 km / 45 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	7 km NNE of Isabela, Puerto Rico	76 km / 47 mi	depth 22 km	Oct 13, 23:29 UTC
2.7	6 km NE of Isabela, Puerto Rico	80 km / 50 mi	depth 17 km	Oct 13, 10:41 UTC
3.0	70 km NW of San Antonio, Puerto Rico	6 km / 4 mi	depth 22 km	Oct 11, 18:12 UTC
2.9	37 km NW of San Antonio, Puerto Rico	39 km / 24 mi	depth 26 km	Oct 11, 08:08 UTC
3.4	31 km NE of Punta Cana, Dominican Republic	80 km / 50 mi	depth 84 km	Oct 10, 16:32 UTC
3.0	63 km NW of San Antonio, Puerto Rico	13 km / 8 mi	depth 19 km	Oct 10, 08:52 UTC
2.7	3 km SSW of La Playa, Puerto Rico	96 km / 59 mi	depth 88 km	Oct 7, 00:24 UTC
2.9	42 km NW of San Antonio, Puerto Rico	33 km / 21 mi	depth 13 km	Oct 5, 08:00 UTC
2.5	17 km NNE of Isabela, Puerto Rico	76 km / 47 mi	depth 21 km	Oct 5, 06:02 UTC
2.9	19 km NW of Rincón, Puerto Rico	69 km / 43 mi	depth 7 km	Oct 3, 13:33 UTC
3.9	19 km NW of Rincón, Puerto Rico	70 km / 44 mi	depth 6 km	Oct 3, 10:35 UTC
3.3	65 km NE of Punta Cana, Dominican Republic	47 km / 29 mi	depth 32 km	Oct 2, 13:29 UTC
3.0	68 km ENE of Punta Cana, Dominican Republic	42 km / 26 mi	depth 5 km	Oct 2, 12:07 UTC
3.1	66 km NE of Punta Cana, Dominican Republic	49 km / 31 mi	depth 8 km	Oct 2, 12:06 UTC
3.0	56 km ENE of Punta Cana, Dominican Republic	55 km / 34 mi	depth 20 km	Sep 24, 17:57 UTC
2.8	13 km NNE of Carrizales, Puerto Rico	93 km / 58 mi	depth 17 km	Sep 22, 07:30 UTC
3.4	87 km NE of Punta Cana, Dominican Republic	47 km / 29 mi	depth 25 km	Sep 21, 01:33 UTC
2.5	11 km N of Quebradillas, Puerto Rico	80 km / 50 mi	depth 17 km	Sep 19, 17:18 UTC
3.4	62 km W of Rincón, Puerto Rico	96 km / 60 mi	depth 116 km	Sep 18, 04:04 UTC

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