| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 136.0 km |
| Coordinates | 13.640, 144.614 |
| UTC time | 1977-12-07 08:58:06.200 |
Earthquake details
Wednesday, December 7, 1977 Earthquake
The earthquake hit Guam on Wednesday, December 7, 1977 at 08:58 UTC with a magnitude of 5.4. The closest known location in the current dataset is Dededo Village (Guam - GU), about 27.9 km away. The epicenter is located at longitude 144.614 and latitude 13.640.
| Location | Dededo Village |
| Country | Guam (GU) |
| Severity | Strong |
Earthquake map 1977-12-07
Closest countries
The 12 closest cities near the epicenter.
| Dededo Village | 27.9 km |
| Saipan | 213.9 km |
| Jayapura | 1851.1 km |
| Abepura | 1860.1 km |
| Manokwari | 1990.2 km |
| Wamena | 2071.2 km |
| Tandag | 2072.1 km |
| Bislig | 2088.0 km |
| Surigao City | 2126.8 km |
| Bayugan | 2127.6 km |
| Monkayo | 2129.7 km |
| Compostela | 2131.4 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
94.4 km
M 4.4
Dededo Village
Guam · 2026-07-02 23:21 UTC
102.7 km
M 4.0
Dededo Village
Guam · 2026-06-26 07:05 UTC
35.7 km
M 4.4
Dededo Village
Guam · 2026-06-23 04:59 UTC
103.9 km
M 4.1
Dededo Village
Guam · 2026-06-07 19:48 UTC
58.3 km
M 4.2
Dededo Village
Guam · 2026-05-29 12:27 UTC
30.6 km
M 4.5
Dededo Village
Guam · 2026-05-26 11:10 UTC
9.7 km
M 4.6
Dededo Village
Guam · 2026-05-24 15:17 UTC
73.1 km
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