Earthquake · Reviewed by USGS

M3.1 earthquake 36 km NNE of Arecibo, Puerto Rico

A magnitude 3.1 earthquake struck 36 km NNE of Arecibo, Puerto Rico at Aug 26, 2026, 17:24 UTC, at a depth of 51 km. The epicentre was 36 km (23 mi) NNE of Arecibo. 1 people reported feeling it to USGS.

Details

Magnitude	3.1 md
Time	Aug 26, 2026, 17:24 UTC
Depth	51.2 km
Coordinates	18.790, -66.629
Felt reports	1
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	66 km / 41 mi	depth 31 km	Oct 26, 03:41 UTC
2.1	4 km WSW of Guánica, Puerto Rico	99 km / 61 mi	depth 8 km	Oct 25, 21:34 UTC
3.2	57 km NW of San Antonio, Puerto Rico	85 km / 53 mi	depth 37 km	Oct 24, 21:07 UTC
2.6	2 km WNW of Fuig, Puerto Rico	93 km / 58 mi	depth 9 km	Oct 24, 03:34 UTC
1.8	3 km W of Tallaboa, Puerto Rico	89 km / 56 mi	depth 13 km	Oct 22, 21:44 UTC
1.9	4 km WSW of Guánica, Puerto Rico	99 km / 61 mi	depth 9 km	Oct 22, 19:43 UTC
2.0	4 km WSW of Guánica, Puerto Rico	98 km / 61 mi	depth 6 km	Oct 22, 16:32 UTC
2.1	0 km WSW of Fuig, Puerto Rico	95 km / 59 mi	depth 11 km	Oct 21, 14:16 UTC
1.9	4 km NNW of Guayanilla, Puerto Rico	83 km / 52 mi	depth 8 km	Oct 21, 13:37 UTC
2.3	5 km SE of Maria Antonia, Puerto Rico	97 km / 60 mi	depth 13 km	Oct 21, 13:17 UTC
3.3	53 km N of Brenas, Puerto Rico	37 km / 23 mi	depth 26 km	Oct 21, 05:01 UTC
2.8	1 km W of Fuig, Puerto Rico	95 km / 59 mi	depth 8 km	Oct 21, 03:47 UTC
3.6	93 km N of Brenas, Puerto Rico	69 km / 43 mi	depth 69 km	Oct 21, 00:55 UTC
2.2	2 km WNW of Fuig, Puerto Rico	94 km / 59 mi	depth 11 km	Oct 20, 21:22 UTC
1.8	2 km WSW of Guayanilla, Puerto Rico	88 km / 55 mi	depth 14 km	Oct 20, 06:58 UTC
1.3	3 km NE of La Parguera, Puerto Rico	97 km / 61 mi	depth 12 km	Oct 19, 21:17 UTC
2.0	1 km SW of Indios, Puerto Rico	92 km / 57 mi	depth 16 km	Oct 19, 20:42 UTC
1.9	2 km NNW of Aibonito, Puerto Rico	79 km / 49 mi	depth 14 km	Oct 18, 21:06 UTC
2.2	6 km SSE of Ponce, Puerto Rico	93 km / 58 mi	depth 14 km	Oct 18, 11:09 UTC
2.1	5 km SE of Maria Antonia, Puerto Rico	97 km / 60 mi	depth 14 km	Oct 18, 10:08 UTC
2.2	4 km SW of Guánica, Puerto Rico	99 km / 62 mi	depth 8 km	Oct 18, 08:44 UTC
2.0	1 km WSW of Guánica, Puerto Rico	96 km / 60 mi	depth 6 km	Oct 17, 17:57 UTC
2.7	7 km SSE of Ponce, Puerto Rico	93 km / 58 mi	depth 13 km	Oct 17, 16:38 UTC
2.4	6 km SSE of Ponce, Puerto Rico	93 km / 58 mi	depth 15 km	Oct 17, 12:52 UTC
2.4	7 km SSE of Ponce, Puerto Rico	94 km / 58 mi	depth 13 km	Oct 16, 18:31 UTC

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