Earthquake · Reviewed by USGS

M2.1 earthquake 8 km SSE of Maria Antonia, Puerto Rico

A magnitude 2.1 earthquake struck 8 km SSE of Maria Antonia, Puerto Rico at Oct 21, 2026, 20:38 UTC, at a depth of 10 km. The epicentre was 15 km (9 mi) S of Yauco.

Details

Magnitude	2.1 md
Time	Oct 21, 2026, 20:38 UTC
Depth	10.4 km
Coordinates	17.902, -66.870
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	20 km / 12 mi	depth 32 km	Oct 26, 03:53 UTC
2.1	4 km WSW of Guánica, Puerto Rico	10 km / 6 mi	depth 8 km	Oct 25, 21:34 UTC
2.2	17 km SSW of Guánica, Puerto Rico	12 km / 8 mi	depth 12 km	Oct 24, 23:04 UTC
2.6	2 km WNW of Fuig, Puerto Rico	13 km / 8 mi	depth 9 km	Oct 24, 03:34 UTC
1.8	3 km W of Tallaboa, Puerto Rico	17 km / 10 mi	depth 13 km	Oct 22, 21:44 UTC
1.9	4 km WSW of Guánica, Puerto Rico	10 km / 6 mi	depth 9 km	Oct 22, 19:43 UTC
2.0	4 km WSW of Guánica, Puerto Rico	11 km / 7 mi	depth 6 km	Oct 22, 16:32 UTC
2.1	0 km WSW of Fuig, Puerto Rico	11 km / 7 mi	depth 11 km	Oct 21, 14:16 UTC
1.9	4 km NNW of Guayanilla, Puerto Rico	19 km / 12 mi	depth 8 km	Oct 21, 13:37 UTC
2.3	5 km SE of Maria Antonia, Puerto Rico	5 km / 3 mi	depth 13 km	Oct 21, 13:17 UTC
2.8	1 km W of Fuig, Puerto Rico	11 km / 7 mi	depth 8 km	Oct 21, 03:47 UTC
2.6	24 km SSE of Maria Antonia, Puerto Rico	16 km / 10 mi	depth 14 km	Oct 20, 23:54 UTC
2.2	2 km WNW of Fuig, Puerto Rico	12 km / 8 mi	depth 11 km	Oct 20, 21:22 UTC

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