| Magnitude | 7.4 |
| Alert | Extreme |
| Depth | 13.0 km |
| Coordinates | -31.028, -67.767 |
| UTC time | 1977-11-23 09:26:24.700 |
Earthquake details
Wednesday, November 23, 1977 Earthquake
The earthquake hit Argentina on Wednesday, November 23, 1977 at 09:26 UTC with a magnitude of 7.4. The closest known location in the current dataset is Caucete (Argentina - AR), about 84.9 km away. The epicenter is located at longitude -67.767 and latitude -31.028.
| Location | San Juan |
| Country | Argentina (AR) |
| Severity | Extreme |
Earthquake map 1977-11-23
Closest countries
The 12 closest cities near the epicenter.
| Caucete | 84.9 km |
| Chimbas | 89.4 km |
| Santa Lucía | 89.9 km |
| San Juan | 92.6 km |
| Pocito | 106.5 km |
| La Rioja | 200.4 km |
| Chilecito | 209.3 km |
| Mendoza | 230.3 km |
| San Martín | 238.3 km |
| San Luis | 286.1 km |
| Villa Carlos Paz | 314.9 km |
| Alta Gracia | 324.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Caucete
Argentina · 2026-07-06 08:56 UTC
98.4 km
M 4.4
Santa Lucía
Argentina · 2026-06-28 03:12 UTC
59.3 km
M 4.3
San Juan
Argentina · 2026-05-31 22:18 UTC
64.5 km
M 4.6
San Juan
Argentina · 2026-01-08 14:14 UTC
30.5 km
M 4.5
San Juan
Argentina · 2025-12-30 08:10 UTC
43.2 km
M 4.5
San Juan
Argentina · 2025-10-23 21:22 UTC
54.9 km
M 4.0
La Rioja
Argentina · 2025-10-09 04:10 UTC
65.5 km
M 4.9
La Rioja
Argentina · 2025-08-22 20:42 UTC
91.1 km
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