M4.5 earthquake 29 km NE of San Martín, Argentina
A magnitude 4.5 earthquake struck 29 km NE of San Martín, Argentina at Oct 23, 5:22 PM ET, 110 km deep, light – felt by most people nearby, rattling windows, rarely damage. 1 people reported feeling it.
Share
| Magnitude | 4.5 mb |
| Time | 23 Oct 2025, 21:22 UTC |
| Location | -31.242°, -68.287° – 29 km NE of San Martín, Argentina |
| Depth | 109.6 km |
| Felt reports | 1 |
| USGS event | us6000rj0i |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.7 | 39 km NNW of Villa Basilio Nievas, Argentina | Nov 20, 2:45 PM 330 d ago | 117 km | – |
| 4.6 | 19 km W of Villa Basilio Nievas, Argentina | Jan 15, 3:30 AM 275 d ago | 108 km | 1 report |
| 4.6 | 68 km S of San Agustín de Valle Fértil, Argentina | Jan 8, 9:14 AM 281 d ago | 10 km | 4 reports |
| 4.5 | 58 km ENE of Caucete, Argentina | Dec 30, 3:10 AM 291 d ago | 10 km | 1 report |
| 4.5 | 35 km SW of Villa Basilio Nievas, Argentina | Oct 26, 6:05 AM 355 d ago | 106 km | – |
| 4.4 | 25 km N of San Martín, Argentina | Aug 16, 10:21 PM 61 d ago | 108 km | – |
| 4.4 | 31 km ENE of Caucete, Argentina | Jun 27, 11:12 PM 111 d ago | 115 km | – |
| 4.4 | 35 km NW of Villa Basilio Nievas, Argentina | Jan 11, 7:57 PM 278 d ago | 100 km | – |
| 4.3 | 23 km NNE of San Martín, Argentina | May 31, 6:18 PM 138 d ago | 114 km | – |
| 4.3 | 35 km NW of Albardón, Argentina | Feb 28, 6:05 PM 230 d ago | 126 km | – |
| 4.3 | 61 km NE of Calingasta, Argentina | Dec 20, 1:29 AM 301 d ago | 112 km | – |
| 4.1 | 17 km E of Calingasta, Argentina | Aug 2, 6:07 PM 75 d ago | 117 km | – |
About this earthquake
How strong was the 29 km NE of San Martín, Argentina earthquake?
Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 110 km.
Was it felt?
1 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 1.0.
Were there aftershocks?
1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.5.
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.