Earthquake details

Sunday, September 21, 2003 Earthquake

The earthquake hit Guam on Sunday, September 21, 2003 at 07:42 UTC with a magnitude of 5.5. The closest known location in the current dataset is Dededo Village (Guam - GU), about 262.1 km away. The epicenter is located at longitude 143.224 and latitude 11.768.

Magnitude	5.5
Alert	Strong
Depth	10.0 km
Coordinates	11.768, 143.224
UTC time	2003-09-21 07:42:41.850

Location	Dededo Village
Country	Guam (GU)
Severity	Strong

Earthquake map 2003-09-21

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	262.1 km
Saipan	471.2 km
Jayapura	1616.0 km
Abepura	1624.5 km
Manokwari	1732.9 km
Wamena	1828.3 km
Tandag	1887.5 km
Nabire	1888.6 km
Bislig	1894.8 km
Sorong	1931.9 km
Monkayo	1933.6 km
Compostela	1933.9 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	354.0 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	291.6 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	307.6 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	325.5 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	281.3 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	270.3 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	301.3 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	281.7 km

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