Earthquake details

Wednesday, March 22, 1978 Earthquake

The earthquake hit Guam on Wednesday, March 22, 1978 at 22:14 UTC with a magnitude of 5.0. The closest known location in the current dataset is Dededo Village (Guam - GU), about 168.6 km away. The epicenter is located at longitude 144.042 and latitude 12.218.

Magnitude	5.0
Alert	Strong
Depth	33.0 km
Coordinates	12.218, 144.042
UTC time	1978-03-22 22:14:51.700

Location	Dededo Village
Country	Guam (GU)
Severity	Strong

Earthquake map 1978-03-22

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	168.6 km
Saipan	381.3 km
Jayapura	1682.8 km
Abepura	1691.7 km
Manokwari	1826.6 km
Wamena	1901.5 km
Nabire	1974.9 km
Tandag	1982.6 km
Bislig	1991.7 km
Mount Hagen	2012.2 km
Sorong	2030.1 km
Monkayo	2031.1 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	255.6 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	196.9 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	211.2 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	224.2 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	192.7 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	173.7 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	207.1 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	197.9 km

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