20 Sept 2026, 02:31 UTC · Sep 19, 10:31 PM ET
M3.1 earthquake 75 km N of Brenas, Puerto Rico
A magnitude 3.1 earthquake struck 75 km N of Brenas, Puerto Rico at Sep 19, 10:31 PM ET, 11 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.1 md |
| Time | 20 Sept 2026, 02:31 UTC |
| Location | 19.149°, -66.272° – 75 km N of Brenas, Puerto Rico |
| Depth | 10.5 km |
| Felt reports | 0 |
| USGS event | pr71533328 |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.1 | 155 km N of Arecibo, Puerto Rico · tsunami flag | Feb 19, 9:18 AM 239 d ago | 34 km | 42 reports |
| 4.2 | 123 km N of Isabela, Puerto Rico | Sep 30, 6:07 AM 381 d ago | 39 km | 1 report |
| 4.2 | 88 km N of Culebra, Puerto Rico | May 18, 7:40 AM 151 d ago | 26 km | – |
| 4.2 | 2 km SW of Río Lajas, Puerto Rico · PAGER green | Apr 12, 10:06 PM 187 d ago | 115 km | 81 reports |
| 4.0 | 105 km N of Suárez, Puerto Rico | Sep 23, 5:26 AM 388 d ago | 9 km | 4 reports |
| 4.0 | 65 km N of Hatillo, Puerto Rico | Jul 5, 6:35 AM 103 d ago | 39 km | 4 reports |
| 3.9 | 60 km N of Hatillo, Puerto Rico | Jul 2, 3:05 AM 107 d ago | 31 km | – |
| 3.9 | 104 km N of Brenas, Puerto Rico | Jan 9, 7:24 PM 280 d ago | 42 km | 1 report |
| 3.8 | 87 km N of Culebra, Puerto Rico | Jun 14, 3:47 AM 125 d ago | 22 km | – |
| 3.8 | 113 km N of San Juan, Puerto Rico | Apr 28, 11:59 PM 171 d ago | 31 km | – |
| 3.8 | 85 km N of Culebra, Puerto Rico | Jun 14, 12:45 PM 124 d ago | 44 km | – |
| 3.8 | 30 km NNE of Luquillo, Puerto Rico | Mar 13, 5:52 PM 217 d ago | 76 km | – |
FAQ
About this earthquake
How strong was the 75 km N of Brenas, Puerto Rico earthquake?
Magnitude 3.1 (md), minor – felt by people near the epicenter. Depth 11 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.
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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.