LIGHT EARTHQUAKE
49 km SW of Cachí, Argentina
A magnitude 4.5 earthquake struck 49 km SW of Cachí, Argentina on 15 Sept 2026, 17:41 UTC. The hypocentre was 185.6 km below the surface — intermediate by seismological convention. 2 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.
- Depth
- 185.6 km
- Latitude
- 25.46°S
- Time
- 17:41 UTC
- Magnitude
- M4.5
intermediate
66.49°W longitude
15 Sept 2026
mb
EPICENTRE
MAGNITUDE 4.5
Noticeable shaking of indoor objects. Damage is unlikely.
The scale is logarithmic: this released about 180 times the energy of a magnitude 3.0, roughly the energy of 85 tonnes of TNT.
185.6 KM DEEP
At this depth the energy spreads before it reaches the surface. Shaking is usually weaker than a shallow earthquake of the same size, but it can be felt across a wider area.
NEARBY IN THE PAST 30 DAYS
2 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 5.0.
OTHER RECENT EARTHQUAKES
17 Sept 2026, 06:48 UTC · 10 km deep
17 Sept 2026, 06:42 UTC · 10 km deep
17 Sept 2026, 06:32 UTC · 36.7 km deep
17 Sept 2026, 06:20 UTC · 24 km deep