| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 78.0 km |
| Coordinates | 13.947, -91.681 |
| UTC time | 1977-09-10 10:21:11.500 |
Earthquake details
Saturday, September 10, 1977 Earthquake
The earthquake hit Guatemala on Saturday, September 10, 1977 at 10:21 UTC with a magnitude of 5.6. The closest known location in the current dataset is Retalhuleu (Guatemala - GT), about 65.6 km away. The epicenter is located at longitude -91.681 and latitude 13.947.
| Location | Santa Lucía Cotzumalguapa |
| Country | Guatemala (GT) |
| Severity | Strong |
Earthquake map 1977-09-10
Closest countries
The 12 closest cities near the epicenter.
| Retalhuleu | 65.6 km |
| Mazatenango | 68.1 km |
| San Sebastián | 68.5 km |
| Nuevo San Carlos | 71.9 km |
| Chicacao | 76.6 km |
| Patulul | 77.2 km |
| Santa Lucía Cotzumalguapa | 83.1 km |
| Colomba | 84.8 km |
| Coatepeque | 86.6 km |
| Santiago Atitlán | 91.1 km |
| Masagua | 94.3 km |
| Cantel | 99.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Santa Lucía Cotzumalguapa
Guatemala · 2026-07-26 15:48 UTC
34.0 km
M 4.3
Santa Lucía Cotzumalguapa
Guatemala · 2026-07-26 15:34 UTC
58.3 km
M 4.2
Tapachula
Mexico · 2026-07-26 10:04 UTC
76.5 km
M 4.9
Retalhuleu
Guatemala · 2026-07-23 13:14 UTC
60.2 km
M 4.5
Tapachula
Mexico · 2026-07-23 12:04 UTC
84.2 km
M 4.1
Tapachula
Mexico · 2026-07-21 09:10 UTC
98.0 km
M 4.4
Tapachula
Mexico · 2026-07-18 11:30 UTC
92.5 km
M 4.3
Tapachula
Mexico · 2026-07-18 09:51 UTC
98.8 km
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