30 Aug 2026, 05:47 UTC · Aug 30, 1:47 AM ET
M4.0 earthquake 50 km NNW of San Antonio, Puerto Rico
A magnitude 4.0 earthquake struck 50 km NNW of San Antonio, Puerto Rico at Aug 30, 1:47 AM ET, 53 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 4.0 md |
| Time | 30 Aug 2026, 05:47 UTC |
| Location | 18.912°, -67.288° – 50 km NNW of San Antonio, Puerto Rico |
| Depth | 53.0 km |
| Felt reports | 0 |
| USGS event | pr2026242001 |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.8 | 54 km NNW of San Antonio, Puerto Rico | Jul 23, 10:42 PM 85 d ago | 9 km | 227 reports |
| 4.2 | 123 km N of Isabela, Puerto Rico | Sep 30, 6:07 AM 381 d ago | 39 km | 1 report |
| 4.1 | 36 km NE of Punta Cana, Dominican Republic | Aug 24, 11:25 PM 53 d ago | 90 km | 1 report |
| 4.0 | 89 km NNW of San Antonio, Puerto Rico | Dec 5, 2:32 PM 315 d ago | 38 km | – |
| 4.0 | 65 km N of Hatillo, Puerto Rico | Jul 5, 6:35 AM 103 d ago | 39 km | 4 reports |
| 4.0 | 32 km NE of Punta Cana, Dominican Republic | Dec 18, 5:04 PM 302 d ago | 91 km | – |
| 3.9 | 50 km NNW of San Antonio, Puerto Rico | Mar 30, 5:19 AM 200 d ago | 12 km | – |
| 3.9 | 60 km N of Hatillo, Puerto Rico | Jul 2, 3:05 AM 107 d ago | 31 km | – |
| 3.9 | 87 km NNE of Punta Cana, Dominican Republic | Jul 4, 9:55 AM 104 d ago | 62 km | 1 report |
| 3.9 | 19 km NW of Rincón, Puerto Rico | Oct 3, 6:35 AM 13 d ago | 6 km | 11 reports |
| 3.8 | 92 km NW of San Antonio, Puerto Rico | Jul 3, 10:21 PM 105 d ago | 67 km | – |
| 3.8 | 135 km NNE of Punta Cana, Dominican Republic | Nov 19, 6:36 PM 331 d ago | 12 km | – |
FAQ
About this earthquake
How strong was the 50 km NNW of San Antonio, Puerto Rico earthquake?
Magnitude 4.0 (md), minor – felt by people near the epicenter. Depth 53 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
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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.