Earthquake · Reviewed by USGS

M3.4 earthquake 46 km NNW of San Antonio, Puerto Rico

A magnitude 3.4 earthquake struck 46 km NNW of San Antonio, Puerto Rico at Sep 13, 2026, 16:10 UTC, at a depth of 5 km. The epicentre was 51 km (32 mi) NNW of Aguadilla.

Details

Magnitude	3.4 md
Time	Sep 13, 2026, 16:10 UTC
Depth	5.0 km
Coordinates	18.869, -67.298
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	14 km / 9 mi	depth 37 km	Oct 24, 21:07 UTC
3.2	77 km ENE of Punta Cana, Dominican Republic	52 km / 32 mi	depth 33 km	Oct 23, 00:13 UTC
2.9	25 km WNW of Puerto Real, Puerto Rico	80 km / 50 mi	depth 6 km	Oct 19, 04:57 UTC
3.4	65 km NE of Punta Cana, Dominican Republic	69 km / 43 mi	depth 10 km	Oct 15, 21:12 UTC
3.1	57 km NW of San Antonio, Puerto Rico	20 km / 12 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	52 km / 32 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	11 km W of Mayagüez, Puerto Rico	77 km / 48 mi	depth 19 km	Oct 14, 08:10 UTC
2.8	7 km NNE of Isabela, Puerto Rico	46 km / 29 mi	depth 22 km	Oct 13, 23:29 UTC
2.7	6 km NE of Isabela, Puerto Rico	50 km / 31 mi	depth 17 km	Oct 13, 10:41 UTC
2.9	10 km N of Animas, Puerto Rico	79 km / 49 mi	depth 13 km	Oct 13, 06:05 UTC
2.6	3 km W of Mayagüez, Puerto Rico	75 km / 47 mi	depth 63 km	Oct 12, 04:18 UTC
3.0	70 km NW of San Antonio, Puerto Rico	25 km / 15 mi	depth 22 km	Oct 11, 18:12 UTC
2.9	37 km NW of San Antonio, Puerto Rico	11 km / 7 mi	depth 26 km	Oct 11, 08:08 UTC
3.4	31 km NE of Punta Cana, Dominican Republic	92 km / 57 mi	depth 84 km	Oct 10, 16:32 UTC
3.0	63 km NW of San Antonio, Puerto Rico	19 km / 12 mi	depth 19 km	Oct 10, 08:52 UTC
2.8	2 km S of Las Marías, Puerto Rico	78 km / 49 mi	depth 18 km	Oct 10, 03:01 UTC
3.1	68 km N of Tierras Nuevas Poniente, Puerto Rico	90 km / 56 mi	depth 35 km	Oct 8, 07:26 UTC
2.7	3 km SSW of La Playa, Puerto Rico	69 km / 43 mi	depth 88 km	Oct 7, 00:24 UTC
2.9	42 km NW of San Antonio, Puerto Rico	7 km / 4 mi	depth 13 km	Oct 5, 08:00 UTC
2.5	17 km NNE of Isabela, Puerto Rico	46 km / 29 mi	depth 21 km	Oct 5, 06:02 UTC
2.9	19 km NW of Rincón, Puerto Rico	47 km / 29 mi	depth 7 km	Oct 3, 13:33 UTC
3.9	19 km NW of Rincón, Puerto Rico	48 km / 30 mi	depth 6 km	Oct 3, 10:35 UTC
3.3	65 km NE of Punta Cana, Dominican Republic	66 km / 41 mi	depth 32 km	Oct 2, 13:29 UTC
3.0	68 km ENE of Punta Cana, Dominican Republic	57 km / 36 mi	depth 5 km	Oct 2, 12:07 UTC
3.1	66 km NE of Punta Cana, Dominican Republic	70 km / 43 mi	depth 8 km	Oct 2, 12:06 UTC

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