Earthquake · Reviewed by USGS

M3.4 earthquake 76 km NNW of San Antonio, Puerto Rico

A magnitude 3.4 earthquake struck 76 km NNW of San Antonio, Puerto Rico at Sep 5, 2026, 03:10 UTC, at a depth of 6 km. The epicentre was 81 km (50 mi) NNW of Aguadilla.

Details

Magnitude	3.4 md
Time	Sep 5, 2026, 03:10 UTC
Depth	6.0 km
Coordinates	19.102, -67.438
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	22 km / 14 mi	depth 37 km	Oct 24, 21:07 UTC
3.2	77 km ENE of Punta Cana, Dominican Republic	40 km / 25 mi	depth 33 km	Oct 23, 00:13 UTC
3.4	67 km NNE of Punta Cana, Dominican Republic	85 km / 53 mi	depth 21 km	Oct 18, 18:28 UTC
3.4	65 km NE of Punta Cana, Dominican Republic	55 km / 34 mi	depth 10 km	Oct 15, 21:12 UTC
3.1	57 km NW of San Antonio, Puerto Rico	28 km / 17 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	69 km / 43 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	7 km NNE of Isabela, Puerto Rico	75 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	10 km / 6 mi	depth 22 km	Oct 11, 18:12 UTC
2.9	37 km NW of San Antonio, Puerto Rico	40 km / 25 mi	depth 26 km	Oct 11, 08:08 UTC
3.4	31 km NE of Punta Cana, Dominican Republic	86 km / 53 mi	depth 84 km	Oct 10, 16:32 UTC
3.0	63 km NW of San Antonio, Puerto Rico	15 km / 10 mi	depth 19 km	Oct 10, 08:52 UTC
2.7	3 km SSW of La Playa, Puerto Rico	97 km / 61 mi	depth 88 km	Oct 7, 00:24 UTC
2.9	42 km NW of San Antonio, Puerto Rico	34 km / 21 mi	depth 13 km	Oct 5, 08:00 UTC
2.5	17 km NNE of Isabela, Puerto Rico	74 km / 46 mi	depth 21 km	Oct 5, 06:02 UTC
2.9	19 km NW of Rincón, Puerto Rico	72 km / 45 mi	depth 7 km	Oct 3, 13:33 UTC
3.9	19 km NW of Rincón, Puerto Rico	73 km / 45 mi	depth 6 km	Oct 3, 10:35 UTC
3.3	65 km NE of Punta Cana, Dominican Republic	53 km / 33 mi	depth 32 km	Oct 2, 13:29 UTC
3.0	68 km ENE of Punta Cana, Dominican Republic	48 km / 30 mi	depth 5 km	Oct 2, 12:07 UTC
3.1	66 km NE of Punta Cana, Dominican Republic	55 km / 34 mi	depth 8 km	Oct 2, 12:06 UTC
2.8	16 km NNE of Arecibo, Puerto Rico	99 km / 62 mi	depth 14 km	Oct 1, 08:45 UTC
3.0	56 km ENE of Punta Cana, Dominican Republic	61 km / 38 mi	depth 20 km	Sep 24, 17:57 UTC
2.8	13 km NNE of Carrizales, Puerto Rico	91 km / 57 mi	depth 17 km	Sep 22, 07:30 UTC
3.4	87 km NE of Punta Cana, Dominican Republic	51 km / 32 mi	depth 25 km	Sep 21, 01:33 UTC
2.5	11 km N of Quebradillas, Puerto Rico	79 km / 49 mi	depth 17 km	Sep 19, 17:18 UTC

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