M3.7 earthquake 15 km SSE of Guánica, Puerto Rico
A magnitude 3.7 earthquake struck 15 km SSE of Guánica, Puerto Rico at Oct 6, 10:01 PM ET, 11 km deep, minor – felt by people near the epicenter. 2 people reported feeling it.
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| Magnitude | 3.7 md |
| Time | 7 Oct 2025, 02:01 UTC |
| Location | 17.839°, -66.856° – 15 km SSE of Guánica, Puerto Rico |
| Depth | 11.0 km |
| Felt reports | 2 |
| Max. estimated intensity (MMI) | 2.8 |
| PAGER alert | green |
| USGS event | pr2025280001 |
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 | 7 km SE of La Parguera, Puerto Rico | Apr 27, 2:31 AM 173 d ago | 7 km | 2 reports |
| 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 | 3 km NW of Guayanilla, Puerto Rico | Mar 12, 12:34 AM 219 d ago | 13 km | 8 reports |
| 3.5 | 4 km SSW of Indios, Puerto Rico | Jul 28, 1:59 PM 80 d ago | 12 km | – |
| 3.5 | 5 km WNW of Mayagüez, Puerto Rico | May 1, 11:57 AM 168 d ago | 25 km | – |
| 3.4 | 31 km NW of Rincón, Puerto Rico | May 31, 7:29 PM 138 d ago | 10 km | – |
About this earthquake
How strong was the 15 km SSE of Guánica, Puerto Rico earthquake?
Magnitude 3.7 (md), minor – felt by people near the epicenter. Depth 11 km. Strongest estimated shaking: intensity 2.8 on the Modified Mercalli scale.
Was it felt?
2 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.0.
Were there aftershocks?
1 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.6.
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.