Earthquake · Reviewed by USGS

M3.3 earthquake 80 km N of San Juan, Puerto Rico

A magnitude 3.3 earthquake struck 80 km N of San Juan, Puerto Rico at Aug 28, 2026, 03:20 UTC, at a depth of 26 km. The epicentre was 81 km (50 mi) N of San Juan.

Details

Magnitude	3.3 md
Time	Aug 28, 2026, 03:20 UTC
Depth	25.8 km
Coordinates	19.196, -66.093
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
3.0	66 km N of San Juan, Puerto Rico	14 km / 9 mi	depth 31 km	Oct 26, 03:41 UTC
3.3	53 km N of Brenas, Puerto Rico	36 km / 22 mi	depth 26 km	Oct 21, 05:01 UTC
3.6	93 km N of Brenas, Puerto Rico	21 km / 13 mi	depth 69 km	Oct 21, 00:55 UTC
3.1	22 km NNE of Brenas, Puerto Rico	62 km / 39 mi	depth 74 km	Oct 14, 23:24 UTC
3.1	48 km N of Hatillo, Puerto Rico	81 km / 50 mi	depth 36 km	Oct 14, 18:02 UTC
2.9	10 km N of Animas, Puerto Rico	92 km / 57 mi	depth 13 km	Oct 13, 06:05 UTC
3.1	68 km N of Tierras Nuevas Poniente, Puerto Rico	42 km / 26 mi	depth 35 km	Oct 8, 07:26 UTC
3.4	81 km NNE of Luquillo, Puerto Rico	73 km / 45 mi	depth 40 km	Oct 7, 14:08 UTC
3.1	7 km NNW of Trujillo Alto, Puerto Rico	88 km / 54 mi	depth 113 km	Oct 6, 15:42 UTC
3.0	34 km NNE of San Juan, Puerto Rico	47 km / 29 mi	depth 43 km	Oct 5, 03:07 UTC
3.0	79 km NNW of Charlotte Amalie, U.S. Virgin Islands	97 km / 60 mi	depth 21 km	Oct 3, 09:18 UTC
3.4	2 km NW of Corozal, Puerto Rico	96 km / 60 mi	depth 111 km	Oct 3, 05:38 UTC
2.8	16 km NNE of Arecibo, Puerto Rico	88 km / 55 mi	depth 14 km	Oct 1, 08:45 UTC
3.1	4 km NNE of Animas, Puerto Rico	97 km / 60 mi	depth 105 km	Sep 30, 21:00 UTC
3.6	127 km NNE of Vieques, Puerto Rico	88 km / 55 mi	depth 77 km	Sep 30, 10:56 UTC
2.9	41 km NNE of Luquillo, Puerto Rico	73 km / 45 mi	depth 24 km	Sep 28, 10:13 UTC
2.6	3 km SE of Galateo, Puerto Rico	96 km / 59 mi	depth 67 km	Sep 28, 03:55 UTC
2.8	8 km NNE of Tierras Nuevas Poniente, Puerto Rico	83 km / 51 mi	depth 89 km	Sep 26, 05:35 UTC
3.3	133 km NNE of Vieques, Puerto Rico	82 km / 51 mi	depth 12 km	Sep 22, 19:18 UTC
2.8	13 km NNE of Carrizales, Puerto Rico	96 km / 60 mi	depth 17 km	Sep 22, 07:30 UTC
3.3	103 km NNE of Vieques, Puerto Rico	75 km / 47 mi	depth 76 km	Sep 21, 07:53 UTC
2.9	73 km N of Culebra, Puerto Rico	93 km / 58 mi	depth 13 km	Sep 21, 03:11 UTC
3.0	58 km N of Culebra, Puerto Rico	95 km / 59 mi	depth 20 km	Sep 20, 02:42 UTC
3.1	75 km N of Brenas, Puerto Rico	19 km / 12 mi	depth 11 km	Sep 20, 02:31 UTC
3.3	110 km N of Suárez, Puerto Rico	39 km / 24 mi	depth 21 km	Sep 19, 22:15 UTC

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