Earthquake details

Sunday, September 30, 1973 Earthquake

The earthquake hit Guam on Sunday, September 30, 1973 at 04:48 UTC with a magnitude of 5.4. The closest known location in the current dataset is Dededo Village (Guam - GU), about 43.2 km away. The epicenter is located at longitude 145.029 and latitude 13.176.

Magnitude	5.4
Alert	Strong
Depth	78.0 km
Coordinates	13.176, 145.029
UTC time	1973-09-30 04:48:08.300

Location	Dededo Village
Country	Guam (GU)
Severity	Strong

Earthquake map 1973-09-30

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	43.2 km
Saipan	239.8 km
Jayapura	1812.5 km
Abepura	1821.7 km
Manokwari	1976.7 km
Wamena	2036.8 km
Tandag	2105.9 km
Bislig	2119.1 km
Mount Hagen	2120.6 km
Nabire	2120.7 km
Monkayo	2159.8 km
Bayugan	2160.8 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	104.9 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	57.0 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	64.9 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	77.0 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	74.7 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	32.3 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	66.8 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	93.0 km

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