Earthquake · Reviewed by USGS

M2.8 earthquake 43 km NNE of Arecibo, Puerto Rico

A magnitude 2.8 earthquake struck 43 km NNE of Arecibo, Puerto Rico at Sep 1, 2026, 15:31 UTC, at a depth of 16 km. The epicentre was 44 km (27 mi) NNE of Arecibo.

Details

Magnitude	2.8 md
Time	Sep 1, 2026, 15:31 UTC
Depth	15.8 km
Coordinates	18.859, -66.628
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
2.3	1 km W of Indios, Puerto Rico	99 km / 61 mi	depth 15 km	Oct 26, 19:02 UTC
3.0	66 km N of San Juan, Puerto Rico	62 km / 39 mi	depth 31 km	Oct 26, 03:41 UTC
3.2	57 km NW of San Antonio, Puerto Rico	84 km / 52 mi	depth 37 km	Oct 24, 21:07 UTC
1.8	3 km W of Tallaboa, Puerto Rico	97 km / 60 mi	depth 13 km	Oct 22, 21:44 UTC
1.9	4 km NNW of Guayanilla, Puerto Rico	91 km / 57 mi	depth 8 km	Oct 21, 13:37 UTC
3.3	53 km N of Brenas, Puerto Rico	34 km / 21 mi	depth 26 km	Oct 21, 05:01 UTC
3.6	93 km N of Brenas, Puerto Rico	63 km / 39 mi	depth 69 km	Oct 21, 00:55 UTC
1.8	2 km WSW of Guayanilla, Puerto Rico	96 km / 60 mi	depth 14 km	Oct 20, 06:58 UTC
2.0	1 km SW of Indios, Puerto Rico	100 km / 62 mi	depth 16 km	Oct 19, 20:42 UTC
1.9	2 km NNW of Aibonito, Puerto Rico	86 km / 53 mi	depth 14 km	Oct 18, 21:06 UTC
2.0	1 km NNE of Magas Arriba, Puerto Rico	94 km / 58 mi	depth 12 km	Oct 15, 12:15 UTC
3.1	22 km NNE of Brenas, Puerto Rico	42 km / 26 mi	depth 74 km	Oct 14, 23:24 UTC
3.1	57 km NW of San Antonio, Puerto Rico	90 km / 56 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	20 km / 13 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	11 km W of Mayagüez, Puerto Rico	100 km / 62 mi	depth 19 km	Oct 14, 08:10 UTC
2.8	7 km NNE of Isabela, Puerto Rico	51 km / 32 mi	depth 22 km	Oct 13, 23:29 UTC
2.7	6 km NE of Isabela, Puerto Rico	51 km / 32 mi	depth 17 km	Oct 13, 10:41 UTC
2.9	10 km N of Animas, Puerto Rico	35 km / 22 mi	depth 13 km	Oct 13, 06:05 UTC
2.2	2 km E of Yauco, Puerto Rico	94 km / 58 mi	depth 17 km	Oct 13, 03:26 UTC
2.0	1 km NE of Fuig, Puerto Rico	100 km / 62 mi	depth 14 km	Oct 12, 10:47 UTC
2.6	3 km W of Mayagüez, Puerto Rico	93 km / 58 mi	depth 63 km	Oct 12, 04:18 UTC
3.0	70 km NW of San Antonio, Puerto Rico	90 km / 56 mi	depth 22 km	Oct 11, 18:12 UTC
1.5	3 km S of Liborio Negron Torres, Puerto Rico	99 km / 62 mi	depth 5 km	Oct 11, 08:10 UTC
2.9	37 km NW of San Antonio, Puerto Rico	71 km / 44 mi	depth 26 km	Oct 11, 08:08 UTC
3.0	63 km NW of San Antonio, Puerto Rico	87 km / 54 mi	depth 19 km	Oct 10, 08:52 UTC

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