| Magnitude | 6.2 |
| Alert | Severe |
| Depth | 65.0 km |
| Coordinates | 14.467, -91.787 |
| UTC time | 1966-08-18 10:33:16.670 |
Earthquake details
Thursday, August 18, 1966 Earthquake
The earthquake hit Guatemala on Thursday, August 18, 1966 at 10:33 UTC with a magnitude of 6.2. The closest known location in the current dataset is Retalhuleu (Guatemala - GT), about 14.1 km away. The epicenter is located at longitude -91.787 and latitude 14.467.
| Location | Retalhuleu |
| Country | Guatemala (GT) |
| Severity | Severe |
Earthquake map 1966-08-18
Closest countries
The 12 closest cities near the epicenter.
| Retalhuleu | 14.1 km |
| Nuevo San Carlos | 17.2 km |
| San Sebastián | 18.3 km |
| Colomba | 27.4 km |
| Coatepeque | 27.7 km |
| Mazatenango | 31.5 km |
| Ostuncalco | 48.2 km |
| Quetzaltenango | 50.1 km |
| Chicacao | 50.4 km |
| Cantel | 52.4 km |
| San Marcos | 55.3 km |
| San Pedro Sacatepéquez | 55.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Tapachula
Mexico · 2026-05-31 02:21 UTC
79.1 km
M 4.1
Coatepeque
Guatemala · 2026-04-27 03:18 UTC
61.8 km
M 4.1
Coatepeque
Guatemala · 2026-04-09 03:01 UTC
65.7 km
M 4.1
Coatepeque
Guatemala · 2026-03-21 07:35 UTC
75.3 km
M 4.1
Huehuetenango
Guatemala · 2026-03-18 08:07 UTC
105.3 km
M 4.2
Santa Lucía Cotzumalguapa
Guatemala · 2026-03-17 19:54 UTC
72.7 km
M 4.8
Huehuetenango
Guatemala · 2026-03-15 00:22 UTC
104.5 km
M 4.8
Chicacao
Guatemala · 2026-03-09 02:52 UTC
50.5 km
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