| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 120.0 km |
| Coordinates | 13.937, 145.008 |
| UTC time | 1977-03-07 06:59:06.600 |
Earthquake details
Monday, March 7, 1977 Earthquake
The earthquake hit Guam on Monday, March 7, 1977 at 06:59 UTC with a magnitude of 5.1. The closest known location in the current dataset is Dededo Village (Guam - GU), about 50.1 km away. The epicenter is located at longitude 145.008 and latitude 13.937.
| Location | Dededo Village |
| Country | Guam (GU) |
| Severity | Strong |
Earthquake map 1977-03-07
Closest countries
The 12 closest cities near the epicenter.
| Dededo Village | 50.1 km |
| Saipan | 163.2 km |
| Jayapura | 1893.7 km |
| Abepura | 1902.8 km |
| Manokwari | 2042.2 km |
| Wamena | 2116.0 km |
| Tandag | 2120.8 km |
| Bislig | 2137.8 km |
| Surigao City | 2174.4 km |
| Bayugan | 2176.6 km |
| Monkayo | 2179.8 km |
| Compostela | 2181.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
Dededo Village
Guam · 2026-07-21 11:09 UTC
141.3 km
M 4.4
Dededo Village
Guam · 2026-07-02 23:21 UTC
142.8 km
M 4.0
Dededo Village
Guam · 2026-06-26 07:05 UTC
58.6 km
M 4.4
Dededo Village
Guam · 2026-06-23 04:59 UTC
116.5 km
M 4.1
Dededo Village
Guam · 2026-06-07 19:48 UTC
26.1 km
M 4.2
Dededo Village
Guam · 2026-05-29 12:27 UTC
65.3 km
M 4.5
Dededo Village
Guam · 2026-05-26 11:10 UTC
44.5 km
M 4.6
Dededo Village
Guam · 2026-05-24 15:17 UTC
93.4 km
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