Earthquake · Reviewed by USGS

M3.3 earthquake 82 km NW of San Antonio, Puerto Rico

A magnitude 3.3 earthquake struck 82 km NW of San Antonio, Puerto Rico at Aug 23, 2026, 01:33 UTC, at a depth of 20 km. The epicentre was 84 km (52 mi) NW of Aguadilla.

Details

Magnitude	3.3 md
Time	Aug 23, 2026, 01:33 UTC
Depth	19.9 km
Coordinates	18.992, -67.683
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	29 km / 18 mi	depth 37 km	Oct 24, 21:07 UTC
3.2	77 km ENE of Punta Cana, Dominican Republic	12 km / 7 mi	depth 33 km	Oct 23, 00:13 UTC
2.9	25 km WNW of Puerto Real, Puerto Rico	97 km / 60 mi	depth 6 km	Oct 19, 04:57 UTC
3.4	67 km NNE of Punta Cana, Dominican Republic	62 km / 39 mi	depth 21 km	Oct 18, 18:28 UTC
3.4	65 km NE of Punta Cana, Dominican Republic	28 km / 17 mi	depth 10 km	Oct 15, 21:12 UTC
3.1	57 km NW of San Antonio, Puerto Rico	25 km / 16 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	92 km / 57 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	7 km NNE of Isabela, Puerto Rico	86 km / 53 mi	depth 22 km	Oct 13, 23:29 UTC
3.4	54 km NNE of Otra Banda, Dominican Republic	86 km / 53 mi	depth 22 km	Oct 13, 11:41 UTC
2.7	6 km NE of Isabela, Puerto Rico	90 km / 56 mi	depth 17 km	Oct 13, 10:41 UTC
3.0	70 km NW of San Antonio, Puerto Rico	22 km / 14 mi	depth 22 km	Oct 11, 18:12 UTC
2.9	37 km NW of San Antonio, Puerto Rico	48 km / 30 mi	depth 26 km	Oct 11, 08:08 UTC
3.4	31 km NE of Punta Cana, Dominican Republic	57 km / 36 mi	depth 84 km	Oct 10, 16:32 UTC
3.0	63 km NW of San Antonio, Puerto Rico	25 km / 16 mi	depth 19 km	Oct 10, 08:52 UTC
3.6	51 km SE of Punta Cana, Dominican Republic	89 km / 56 mi	depth 61 km	Oct 8, 04:12 UTC
2.7	3 km SSW of La Playa, Puerto Rico	96 km / 60 mi	depth 88 km	Oct 7, 00:24 UTC
2.9	42 km NW of San Antonio, Puerto Rico	42 km / 26 mi	depth 13 km	Oct 5, 08:00 UTC
2.5	17 km NNE of Isabela, Puerto Rico	88 km / 55 mi	depth 21 km	Oct 5, 06:02 UTC
4.0	3 km SW of Punta Cana, Dominican Republic	92 km / 57 mi	depth 141 km	Oct 4, 08:59 UTC
2.9	19 km NW of Rincón, Puerto Rico	67 km / 42 mi	depth 7 km	Oct 3, 13:33 UTC
3.9	19 km NW of Rincón, Puerto Rico	68 km / 42 mi	depth 6 km	Oct 3, 10:35 UTC
3.3	65 km NE of Punta Cana, Dominican Republic	25 km / 16 mi	depth 32 km	Oct 2, 13:29 UTC
3.0	68 km ENE of Punta Cana, Dominican Republic	20 km / 12 mi	depth 5 km	Oct 2, 12:07 UTC
3.1	66 km NE of Punta Cana, Dominican Republic	28 km / 17 mi	depth 8 km	Oct 2, 12:06 UTC
3.0	56 km ENE of Punta Cana, Dominican Republic	34 km / 21 mi	depth 20 km	Sep 24, 17:57 UTC

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