Earthquake details

Monday, September 9, 1991 Earthquake

The earthquake hit Guam on Monday, September 9, 1991 at 14:30 UTC with a magnitude of 5.5. The closest known location in the current dataset is Dededo Village (Guam - GU), about 127.4 km away. The epicenter is located at longitude 143.927 and latitude 12.796.

Magnitude	5.5
Alert	Strong
Depth	33.0 km
Coordinates	12.796, 143.927
UTC time	1991-09-09 14:30:20.300

Location	Dededo Village
Country	Guam (GU)
Severity	Strong

Earthquake map 1991-09-09

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	127.4 km
Saipan	333.6 km
Jayapura	1743.0 km
Abepura	1751.7 km
Manokwari	1870.4 km
Wamena	1959.3 km
Tandag	1980.7 km
Bislig	1993.0 km
Nabire	2025.4 km
Monkayo	2033.6 km
Compostela	2034.7 km
Bayugan	2035.4 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	223.0 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	157.3 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	174.6 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	203.6 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	144.1 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	138.6 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	166.5 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	144.3 km

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