Earthquake · Reviewed by USGS

M3.6 earthquake 127 km NNE of Vieques, Puerto Rico

A magnitude 3.6 earthquake struck 127 km NNE of Vieques, Puerto Rico at Sep 30, 2026, 10:56 UTC, at a depth of 77 km. The epicentre was 131 km (81 mi) NNW of Charlotte Amalie.

Details

Magnitude	3.6 md
Time	Sep 30, 2026, 10:56 UTC
Depth	77.0 km
Coordinates	19.462, -65.303
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
3.0	66 km N of San Juan, Puerto Rico	92 km / 57 mi	depth 31 km	Oct 26, 03:41 UTC
3.1	71 km NNW of Charlotte Amalie, U.S. Virgin Islands	59 km / 37 mi	depth 44 km	Oct 25, 05:11 UTC
2.8	75 km NNW of Charlotte Amalie, U.S. Virgin Islands	55 km / 34 mi	depth 26 km	Oct 25, 04:58 UTC
3.4	65 km NNW of Charlotte Amalie, U.S. Virgin Islands	65 km / 41 mi	depth 29 km	Oct 25, 04:51 UTC
3.2	65 km N of Culebra, Puerto Rico	65 km / 41 mi	depth 34 km	Oct 25, 04:41 UTC
3.2	58 km NNW of Charlotte Amalie, U.S. Virgin Islands	72 km / 45 mi	depth 52 km	Oct 25, 04:35 UTC
3.1	74 km N of Charlotte Amalie, U.S. Virgin Islands	59 km / 37 mi	depth 26 km	Oct 17, 04:11 UTC
3.2	72 km NNW of Charlotte Amalie, U.S. Virgin Islands	58 km / 36 mi	depth 56 km	Oct 16, 14:35 UTC
3.4	81 km NNE of Luquillo, Puerto Rico	48 km / 30 mi	depth 40 km	Oct 7, 14:08 UTC
3.0	68 km N of Charlotte Amalie, U.S. Virgin Islands	68 km / 43 mi	depth 22 km	Oct 4, 08:20 UTC
3.4	89 km NNE of Cruz Bay, U.S. Virgin Islands	92 km / 57 mi	depth 9 km	Oct 4, 08:11 UTC
3.0	79 km NNW of Charlotte Amalie, U.S. Virgin Islands	51 km / 32 mi	depth 21 km	Oct 3, 09:18 UTC

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