M3.5 earthquake 3 km NW of Guayanilla, Puerto Rico
A magnitude 3.5 earthquake struck 3 km NW of Guayanilla, Puerto Rico at Mar 12, 12:34 AM ET, 13 km deep, minor – felt by people near the epicenter. 8 people reported feeling it.
Share
| Magnitude | 3.5 md |
| Time | 12 Mar 2026, 04:34 UTC |
| Location | 18.043°, -66.811° – 3 km NW of Guayanilla, Puerto Rico |
| Depth | 13.0 km |
| Felt reports | 8 |
| Max. estimated intensity (MMI) | 3.6 |
| USGS event | pr2026071000 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.8 | 5 km SW of Guánica, Puerto Rico · PAGER green | Sep 18, 9:19 AM 28 d ago | 7 km | 86 reports |
| 4.2 | 2 km SW of Río Lajas, Puerto Rico · PAGER green | Apr 12, 10:06 PM 187 d ago | 115 km | 81 reports |
| 3.9 | 2 km SW of Indios, Puerto Rico | Jul 8, 4:07 PM 100 d ago | 15 km | 9 reports |
| 3.9 | 19 km NW of Rincón, Puerto Rico | Oct 3, 6:35 AM 13 d ago | 6 km | 11 reports |
| 3.7 | 15 km SSE of Guánica, Puerto Rico · PAGER green | Oct 6, 10:01 PM 375 d ago | 11 km | 2 reports |
| 3.7 | 7 km SE of La Parguera, Puerto Rico | Apr 27, 2:31 AM 173 d ago | 7 km | 2 reports |
| 3.6 | 39 km NNW of San Antonio, Puerto Rico | Jul 28, 7:50 PM 80 d ago | 9 km | 1 report |
| 3.6 | 16 km SSE of Guánica, Puerto Rico | Oct 7, 1:19 AM 375 d ago | 7 km | 2 reports |
| 3.6 | 45 km WSW of Stella, Puerto Rico | Aug 13, 3:16 PM 64 d ago | 104 km | – |
| 3.6 | 4 km WSW of Guánica, Puerto Rico | Aug 7, 12:48 AM 71 d ago | 10 km | 12 reports |
| 3.5 | 22 km N of Brenas, Puerto Rico | Dec 22, 2:56 PM 298 d ago | 70 km | – |
| 3.5 | 4 km SSW of Indios, Puerto Rico | Jul 28, 1:59 PM 80 d ago | 12 km | – |
About this earthquake
How strong was the 3 km NW of Guayanilla, Puerto Rico earthquake?
Magnitude 3.5 (md), minor – felt by people near the epicenter. Depth 13 km. Strongest estimated shaking: intensity 3.6 on the Modified Mercalli scale.
Was it felt?
8 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.4.
Were there aftershocks?
No earthquakes within 100 km have followed so far in our records.
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.