Earthquake · Reviewed by USGS

M3.1 earthquake 16 km SE of Esperanza, Puerto Rico

A magnitude 3.1 earthquake struck 16 km SE of Esperanza, Puerto Rico at Sep 18, 2026, 03:57 UTC, at a depth of 10 km. The epicentre was 48 km (30 mi) SE of Fajardo.

Details

Magnitude	3.1 md
Time	Sep 18, 2026, 03:57 UTC
Depth	9.8 km
Coordinates	17.984, -65.375
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
3.1	39 km ESE of Cruz Bay, U.S. Virgin Islands	99 km / 62 mi	depth 121 km	Oct 25, 16:10 UTC
3.3	24 km ESE of Isabel Segunda, Puerto Rico	17 km / 11 mi	depth 152 km	Oct 24, 06:49 UTC
2.2	27 km SE of Emajagua, Puerto Rico	41 km / 26 mi	depth 9 km	Oct 23, 00:16 UTC
1.9	2 km NNW of Aibonito, Puerto Rico	97 km / 61 mi	depth 14 km	Oct 18, 21:06 UTC
3.0	26 km SE of Emajagua, Puerto Rico	41 km / 25 mi	depth 5 km	Oct 15, 04:33 UTC
3.1	7 km NNW of Trujillo Alto, Puerto Rico	85 km / 53 mi	depth 113 km	Oct 6, 15:42 UTC
2.6	38 km N of Cruz Bay, U.S. Virgin Islands	97 km / 60 mi	depth 20 km	Sep 30, 14:32 UTC
2.6	4 km NNE of Aguas Buenas, Puerto Rico	84 km / 52 mi	depth 66 km	Sep 29, 04:14 UTC
2.9	45 km N of Charlotte Amalie, U.S. Virgin Islands	97 km / 60 mi	depth 24 km	Sep 28, 19:19 UTC
2.9	41 km NNE of Luquillo, Puerto Rico	87 km / 54 mi	depth 24 km	Sep 28, 10:13 UTC
2.6	3 km SE of Galateo, Puerto Rico	99 km / 62 mi	depth 67 km	Sep 28, 03:55 UTC
3.2	40 km SE of Esperanza, Puerto Rico	25 km / 16 mi	depth 12 km	Sep 26, 15:03 UTC
2.5	6 km SSE of Salinas, Puerto Rico	96 km / 60 mi	depth 8 km	Sep 25, 13:17 UTC
2.9	8 km WNW of Culebra, Puerto Rico	39 km / 24 mi	depth 18 km	Sep 25, 05:15 UTC
3.0	58 km N of Culebra, Puerto Rico	95 km / 59 mi	depth 20 km	Sep 20, 02:42 UTC
3.1	12 km SE of Emajagua, Puerto Rico	45 km / 28 mi	depth 15 km	Sep 19, 19:56 UTC

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