Earthquake · Reviewed by USGS

M3.1 earthquake 57 km N of Hatillo, Puerto Rico

A magnitude 3.1 earthquake struck 57 km N of Hatillo, Puerto Rico at Aug 16, 2026, 15:04 UTC, at a depth of 24 km. The epicentre was 59 km (37 mi) N of Arecibo.

Details

Magnitude	3.1 md
Time	Aug 16, 2026, 15:04 UTC
Depth	24.4 km
Coordinates	19.002, -66.781
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	74 km / 46 mi	depth 31 km	Oct 26, 03:41 UTC
3.2	57 km NW of San Antonio, Puerto Rico	68 km / 42 mi	depth 37 km	Oct 24, 21:07 UTC
3.3	53 km N of Brenas, Puerto Rico	49 km / 31 mi	depth 26 km	Oct 21, 05:01 UTC
3.6	93 km N of Brenas, Puerto Rico	64 km / 40 mi	depth 69 km	Oct 21, 00:55 UTC
3.1	22 km NNE of Brenas, Puerto Rico	65 km / 40 mi	depth 74 km	Oct 14, 23:24 UTC
3.1	57 km NW of San Antonio, Puerto Rico	76 km / 47 mi	depth 16 km	Oct 14, 20:10 UTC
3.1	48 km N of Hatillo, Puerto Rico	9 km / 5 mi	depth 36 km	Oct 14, 18:02 UTC
2.8	7 km NNE of Isabela, Puerto Rico	54 km / 34 mi	depth 22 km	Oct 13, 23:29 UTC
2.7	6 km NE of Isabela, Puerto Rico	56 km / 35 mi	depth 17 km	Oct 13, 10:41 UTC
2.9	10 km N of Animas, Puerto Rico	54 km / 33 mi	depth 13 km	Oct 13, 06:05 UTC
2.6	3 km W of Mayagüez, Puerto Rico	98 km / 61 mi	depth 63 km	Oct 12, 04:18 UTC
3.0	70 km NW of San Antonio, Puerto Rico	72 km / 45 mi	depth 22 km	Oct 11, 18:12 UTC
2.9	37 km NW of San Antonio, Puerto Rico	60 km / 37 mi	depth 26 km	Oct 11, 08:08 UTC
3.0	63 km NW of San Antonio, Puerto Rico	70 km / 43 mi	depth 19 km	Oct 10, 08:52 UTC
2.8	2 km S of Las Marías, Puerto Rico	89 km / 55 mi	depth 18 km	Oct 10, 03:01 UTC
3.1	68 km N of Tierras Nuevas Poniente, Puerto Rico	34 km / 21 mi	depth 35 km	Oct 8, 07:26 UTC
2.7	3 km SSW of La Playa, Puerto Rico	94 km / 58 mi	depth 88 km	Oct 7, 00:24 UTC
2.1	4 km NW of Orocovis, Puerto Rico	91 km / 56 mi	depth 39 km	Oct 5, 22:28 UTC
2.9	42 km NW of San Antonio, Puerto Rico	61 km / 38 mi	depth 13 km	Oct 5, 08:00 UTC
2.5	17 km NNE of Isabela, Puerto Rico	44 km / 27 mi	depth 21 km	Oct 5, 06:02 UTC
3.0	34 km NNE of San Juan, Puerto Rico	83 km / 51 mi	depth 43 km	Oct 5, 03:07 UTC
2.9	19 km NW of Rincón, Puerto Rico	88 km / 55 mi	depth 7 km	Oct 3, 13:33 UTC
3.9	19 km NW of Rincón, Puerto Rico	90 km / 56 mi	depth 6 km	Oct 3, 10:35 UTC
3.4	2 km NW of Corozal, Puerto Rico	86 km / 53 mi	depth 111 km	Oct 3, 05:38 UTC
2.8	16 km NNE of Arecibo, Puerto Rico	46 km / 29 mi	depth 14 km	Oct 1, 08:45 UTC

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