| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 45.0 km |
| Coordinates | 12.742, 145.019 |
| UTC time | 1977-04-28 04:03:12.900 |
Earthquake details
Thursday, April 28, 1977 Earthquake
The earthquake hit Guam on Thursday, April 28, 1977 at 04:03 UTC with a magnitude of 5.1. The closest known location in the current dataset is Dededo Village (Guam - GU), about 88.5 km away. The epicenter is located at longitude 145.019 and latitude 12.742.
| Location | Dededo Village |
| Country | Guam (GU) |
| Severity | Strong |
Earthquake map 1977-04-28
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Dededo Village
Guam · 2026-04-12 19:43 UTC
|
146.0 km |
|
M 4.1
Dededo Village
Guam · 2026-04-09 18:06 UTC
|
105.3 km |
|
M 4.5
Dededo Village
Guam · 2026-03-29 15:06 UTC
|
111.8 km |
|
M 4.3
Dededo Village
Guam · 2026-03-29 06:36 UTC
|
106.1 km |
|
M 4.1
Dededo Village
Guam · 2026-03-21 11:23 UTC
|
120.6 km |
|
M 4.5
Dededo Village
Guam · 2026-02-27 03:57 UTC
|
80.5 km |
|
M 4.3
Dededo Village
Guam · 2026-02-15 02:20 UTC
|
115.0 km |
|
M 4.1
Dededo Village
Guam · 2026-02-13 01:20 UTC
|
136.9 km |
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.