M4.6 earthquake 58 km E of Caucete, Argentina
A magnitude 4.6 earthquake struck 58 km E of Caucete, Argentina on Sun, Mar 26, 1978, 4:54 AM GMT-3 (07:54 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 61 km SSW of San Agustín de Valle Fértil, Argentina. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1978-03-26 07:54:20 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 31.717° S, 67.667° W
- Region
- Argentina
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000tr9. Read Wed, Sep 30, 2026, 7:46 PM UTC.