6 Oct 2026, 15:42 UTC · Oct 6, 11:42 AM ET

M3.1 earthquake 7 km NNW of Trujillo Alto, Puerto Rico

A magnitude 3.1 earthquake struck 7 km NNW of Trujillo Alto, Puerto Rico at Oct 6, 11:42 AM ET, 113 km deep, minor – felt by people near the epicenter.

M3.1 7 km NNW of Trujillo Alto, Puerto RicoM3.5 4 km SSW of Indios, Puerto RicoM3.5 64 km N of Tierras Nuevas Poniente, Puerto RicoM3.5 59 km N of Culebra, Puerto RicoM3.5 3 km NW of Guayanilla, Puerto RicoM3.5 22 km N of Brenas, Puerto RicoM3.6 77 km N of San Juan, Puerto RicoM3.7 65 km NNE of Luquillo, Puerto RicoM3.7 29 km SSW of Esperanza, Puerto RicoM3.8 30 km NNE of Luquillo, Puerto RicoM3.9 2 km SW of Indios, Puerto RicoM4.0 58 km N of Culebra, Puerto RicoM4.2 2 km SW of Río Lajas, Puerto Rico
under 33–44–55–66+
Magnitude3.1 md
Time6 Oct 2026, 15:42 UTC
Location18.409°, -66.045° – 7 km NNW of Trujillo Alto, Puerto Rico
Depth113.0 km
Felt reports0
USGS eventpr71535908
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
4.22 km SW of Río Lajas, Puerto Rico · PAGER greenApr 12, 10:06 PM
187 d ago
115 km81 reports
4.058 km N of Culebra, Puerto RicoOct 21, 3:39 AM
361 d ago
73 km1 report
3.92 km SW of Indios, Puerto RicoJul 8, 4:07 PM
100 d ago
15 km9 reports
3.830 km NNE of Luquillo, Puerto RicoMar 13, 5:52 PM
217 d ago
76 km–
3.729 km SSW of Esperanza, Puerto Rico · PAGER greenApr 11, 5:00 PM
188 d ago
6 km3 reports
3.765 km NNE of Luquillo, Puerto RicoJun 9, 12:18 PM
129 d ago
38 km–
3.677 km N of San Juan, Puerto RicoMar 17, 4:07 AM
213 d ago
23 km–
3.53 km NW of Guayanilla, Puerto RicoMar 12, 12:34 AM
219 d ago
13 km8 reports
3.522 km N of Brenas, Puerto RicoDec 22, 2:56 PM
298 d ago
70 km–
3.559 km N of Culebra, Puerto RicoSep 12, 11:00 PM
34 d ago
16 km–
3.564 km N of Tierras Nuevas Poniente, Puerto RicoJan 21, 8:24 AM
268 d ago
12 km–
3.54 km SSW of Indios, Puerto RicoJul 28, 1:59 PM
80 d ago
12 km–
FAQ

About this earthquake

How strong was the 7 km NNW of Trujillo Alto, Puerto Rico earthquake?

Magnitude 3.1 (md), minor – felt by people near the epicenter. Depth 113 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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M3.1 earthquake 7 km NNW of Trujillo Alto, Puerto Rico