EMSC · August 29, 2026
Magnitude 3.5 earthquake — 4 km ESE of Rivadavia, Argentina
A magnitude 3.5 earthquake was recorded near 4 km ESE of Rivadavia, Argentina on Aug 29, 2026, 05:53 AM (local time at the epicentre — UTC-3), at a depth of about 97.0 km, according to EMSC.
EMSCIntermediate (70–300 km)Reviewed by a seismologist
Updated 2026-09-03 08:15 UTC
The full record
- Magnitude
- M 3.5 · m
- Location
- 4 km ESE of Rivadavia, Argentina
- Local time at the epicentre
- Aug 29, 2026, 05:53 AM — UTC-3
- Time (UTC)
- 2026-08-29 08:53 UTC
- Depth
- 97.0 km · Intermediate (70–300 km)
- Coordinates
- -31.520, -68.640
- Felt reports
- No “Did You Feel It?” reports submitted
- Tsunami
- No tsunami evaluation was flagged for this earthquake.
- Review status
- Reviewed by a seismologist
- Catalog
- EMSC (Centro Sismológico Euromediterráneo)
Epicentre and nearby recent earthquakes
The highlighted circle is this earthquake. Smaller circles are other events recorded nearby in the last 30 days.
What the shaking was like
At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.
No intensity estimate was published for this event, which is usual for small earthquakes far from populated areas.
Who lives nearby
About 506,565 people live in towns within 30 km of the epicentre, and 580,296 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Rivadavia | 4.3 km ESE | — |
| Villa Basilio Nievas | 9.5 km WSW | 4,038 |
| Villa Paula de Sarmiento | 10.1 km ENE | 19,092 |
| Chimbas | 10.6 km ENE | 73,829 |
| San Juan | 11.0 km E | 109,123 |
| Villa Krause | 11.4 km ESE | — |
| Rawson | 11.6 km SE | 130,258 |
| Santa Lucía | 13.7 km E | 62,697 |
| Albardón | 14.2 km NE | 20,413 |
| Villa General San Martín | 14.4 km NE | 29,789 |
Earthquake history in this area
11 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960, in Chile.
Other earthquakes near this epicentre
30 other events within 100 km in the last 30 days.
M 3.1 24 km WSW of Calingasta, Argentina
M 3.6 44 km SSE of Villa Basilio Nievas, Argentina
M 3.6 29 km WSW of Calingasta, Argentina
M 3.3 7 km SE of Barreal, Argentina
M 3.3 26 km SSW of Villa El Salvador, Argentina
M 3.2 9 km SSE of Villa El Salvador, Argentina
M 3.1 58 km WSW of Caucete, Argentina
M 3.7 17 km SSE of Albardón, Argentina
M 3.1 32 km NNE of Barreal, Argentina
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Frequently asked questions
How strong was the 4 km ESE of Rivadavia, Argentina earthquake?
Magnitude 3.5 (m), at a depth of 97.0 km. At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.
Exactly when did it happen?
Aug 29, 2026, 05:53 AM (local time at the epicentre — UTC-3). In universal time: 2026-08-29 08:53 UTC.
Was it felt?
No “Did You Feel It?” reports were submitted for this event. Small earthquakes usually pass unnoticed except very close to the epicentre.
Was there a tsunami warning?
No tsunami evaluation was flagged for this earthquake.
Which towns are closest to the epicentre?
The closest is Rivadavia, 4.3 km ESE.
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 7.4 (San Juan, Argentina, 1977), and 30 further events were recorded within 100 km in the last 30 days.
How do I get alerts for the next earthquake here?
Install the free SeismoWatch Android app, draw a box over this area, set a minimum magnitude, and turn alerts on.
About this page
Event data: U.S. Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC) and, in Venezuela, FUNVISIS. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.