23 Aug 2026, 01:33 UTC · Aug 22, 9:33 PM ET
M3.3 earthquake 82 km NW of San Antonio, Puerto Rico
A magnitude 3.3 earthquake struck 82 km NW of San Antonio, Puerto Rico at Aug 22, 9:33 PM ET, 20 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.3 md |
| Time | 23 Aug 2026, 01:33 UTC |
| Location | 18.992°, -67.683° – 82 km NW of San Antonio, Puerto Rico |
| Depth | 19.9 km |
| Felt reports | 0 |
| USGS event | pr71529443 |
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 |
| 4.1 | 36 km NE of Punta Cana, Dominican Republic | Aug 24, 11:25 PM 53 d ago | 90 km | 1 report |
| 4.1 | 33 km NE of Otra Banda, Dominican Republic | May 16, 12:21 AM 154 d ago | 58 km | – |
| 4.0 | 89 km NNW of San Antonio, Puerto Rico | Dec 5, 2:32 PM 315 d ago | 38 km | – |
| 4.0 | 3 km SW of Punta Cana, Dominican Republic | Oct 4, 4:59 AM 12 d ago | 141 km | – |
| 4.0 | 50 km NNW of San Antonio, Puerto Rico | Aug 30, 1:47 AM 48 d ago | 53 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 | 35 km NNE of Otra Banda, Dominican Republic | Feb 7, 7:13 AM 251 d ago | 45 km | 1 report |
| 3.9 | 80 km NE of Miches, Dominican Republic | Sep 21, 1:29 AM 391 d ago | 55 km | – |
FAQ
About this earthquake
How strong was the 82 km NW of San Antonio, Puerto Rico earthquake?
Magnitude 3.3 (md), minor – felt by people near the epicenter. Depth 20 km.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
2 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.1.
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.