Earthquake details

Tuesday, April 5, 1977 Earthquake

The earthquake hit Guam on Tuesday, April 5, 1977 at 10:42 UTC with a magnitude of 5.6. The closest known location in the current dataset is Dededo Village (Guam - GU), about 182.1 km away. The epicenter is located at longitude 144.188 and latitude 12.010.

Magnitude	5.6
Alert	Strong
Depth	17.0 km
Coordinates	12.010, 144.188
UTC time	1977-04-05 10:42:35.000

Location	Dededo Village
Country	Guam (GU)
Severity	Strong

Earthquake map 1977-04-05

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	182.1 km
Saipan	394.7 km
Jayapura	1663.9 km
Abepura	1672.9 km
Manokwari	1818.3 km
Wamena	1884.4 km
Nabire	1962.5 km
Mount Hagen	1989.0 km
Tandag	1995.1 km
Bislig	2003.0 km
Sorong	2025.1 km
Monkayo	2041.8 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.5 Dededo Village Guam · 2026-04-12 19:43 UTC	263.3 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	208.9 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	221.6 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	227.4 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	208.7 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	184.6 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	219.3 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	216.1 km

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