| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 96.0 km |
| Coordinates | 14.374, -91.454 |
| UTC time | 1978-08-18 15:35:17.800 |
Earthquake details
Friday, August 18, 1978 Earthquake
The earthquake hit Guatemala on Friday, August 18, 1978 at 15:35 UTC with a magnitude of 5.5. The closest known location in the current dataset is Mazatenango (Guatemala - GT), about 18.6 km away. The epicenter is located at longitude -91.454 and latitude 14.374.
| Location | Mazatenango |
| Country | Guatemala (GT) |
| Severity | Strong |
Earthquake map 1978-08-18
Closest countries
The 12 closest cities near the epicenter.
| Mazatenango | 18.6 km |
| Chicacao | 23.3 km |
| San Sebastián | 29.6 km |
| Retalhuleu | 30.1 km |
| Patulul | 32.1 km |
| Nuevo San Carlos | 35.5 km |
| Santiago Atitlán | 38.1 km |
| Santa Lucía Cotzumalguapa | 46.6 km |
| Colomba | 47.7 km |
| Cantel | 48.7 km |
| Quetzaltenango | 51.7 km |
| Sololá | 53.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Santa Lucía Cotzumalguapa
Guatemala · 2026-10-02 11:35 UTC
51.0 km
M 4.7
Escuintla
Guatemala · 2026-09-22 11:43 UTC
46.5 km
M 4.1
Santa Lucía Cotzumalguapa
Guatemala · 2026-07-26 15:48 UTC
82.1 km
M 4.3
Santa Lucía Cotzumalguapa
Guatemala · 2026-07-26 15:34 UTC
33.3 km
M 4.2
Tapachula
Mexico · 2026-07-26 10:04 UTC
86.3 km
M 4.4
Tapachula
Mexico · 2026-07-17 17:44 UTC
94.1 km
M 4.2
Comitancillo
Guatemala · 2026-07-16 19:02 UTC
87.5 km
M 5.0
Tapachula
Mexico · 2026-07-14 01:19 UTC
104.3 km
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