Earthquake · Reviewed by USGS

M1.9 earthquake 2 km NNW of Aibonito, Puerto Rico

A magnitude 1.9 earthquake struck 2 km NNW of Aibonito, Puerto Rico at Oct 18, 2026, 21:06 UTC, at a depth of 14 km. The epicentre was 13 km (8 mi) WNW of Cayey.

Details

Magnitude	1.9 md
Time	Oct 18, 2026, 21:06 UTC
Depth	14.1 km
Coordinates	18.162, -66.277
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
2.2	16 km S of La Parguera, Puerto Rico	89 km / 55 mi	depth 32 km	Oct 26, 03:53 UTC
2.1	4 km WSW of Guánica, Puerto Rico	75 km / 46 mi	depth 8 km	Oct 25, 21:34 UTC
2.2	17 km SSW of Guánica, Puerto Rico	80 km / 50 mi	depth 12 km	Oct 24, 23:04 UTC
2.6	2 km WNW of Fuig, Puerto Rico	72 km / 45 mi	depth 9 km	Oct 24, 03:34 UTC
2.2	27 km SE of Emajagua, Puerto Rico	71 km / 44 mi	depth 9 km	Oct 23, 00:16 UTC
1.8	3 km W of Tallaboa, Puerto Rico	53 km / 33 mi	depth 13 km	Oct 22, 21:44 UTC
1.9	4 km WSW of Guánica, Puerto Rico	75 km / 46 mi	depth 9 km	Oct 22, 19:43 UTC
2.0	4 km WSW of Guánica, Puerto Rico	74 km / 46 mi	depth 6 km	Oct 22, 16:32 UTC
2.1	8 km SSE of Maria Antonia, Puerto Rico	69 km / 43 mi	depth 10 km	Oct 21, 20:38 UTC
2.1	0 km WSW of Fuig, Puerto Rico	71 km / 44 mi	depth 11 km	Oct 21, 14:16 UTC
1.9	4 km NNW of Guayanilla, Puerto Rico	57 km / 35 mi	depth 8 km	Oct 21, 13:37 UTC
2.3	5 km SE of Maria Antonia, Puerto Rico	66 km / 41 mi	depth 13 km	Oct 21, 13:17 UTC
3.3	53 km N of Brenas, Puerto Rico	88 km / 54 mi	depth 26 km	Oct 21, 05:01 UTC
2.8	1 km W of Fuig, Puerto Rico	71 km / 44 mi	depth 8 km	Oct 21, 03:47 UTC
2.6	24 km SSE of Maria Antonia, Puerto Rico	71 km / 44 mi	depth 14 km	Oct 20, 23:54 UTC
2.2	2 km WNW of Fuig, Puerto Rico	72 km / 45 mi	depth 11 km	Oct 20, 21:22 UTC
1.8	2 km WSW of Guayanilla, Puerto Rico	59 km / 37 mi	depth 14 km	Oct 20, 06:58 UTC
1.3	3 km NE of La Parguera, Puerto Rico	81 km / 51 mi	depth 12 km	Oct 19, 21:17 UTC
2.0	1 km SW of Indios, Puerto Rico	62 km / 38 mi	depth 16 km	Oct 19, 20:42 UTC
2.4	6 km SSW of Guánica, Puerto Rico	73 km / 46 mi	depth 14 km	Oct 19, 10:51 UTC
2.0	8 km S of Guánica, Puerto Rico	73 km / 45 mi	depth 8 km	Oct 19, 09:29 UTC
2.2	6 km SSE of Ponce, Puerto Rico	42 km / 26 mi	depth 14 km	Oct 18, 11:09 UTC
2.1	5 km SE of Maria Antonia, Puerto Rico	65 km / 40 mi	depth 14 km	Oct 18, 10:08 UTC
2.2	4 km SW of Guánica, Puerto Rico	74 km / 46 mi	depth 8 km	Oct 18, 08:44 UTC

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