Earthquake details

Saturday, October 23, 1971 Earthquake

The earthquake hit Guam on Saturday, October 23, 1971 at 22:33 UTC with a magnitude of 6.5. The closest known location in the current dataset is Dededo Village (Guam - GU), about 307.7 km away. The epicenter is located at longitude 142.552 and latitude 11.886.

Magnitude	6.5
Alert	Severe
Depth	22.9 km
Coordinates	11.886, 142.552
UTC time	1971-10-23 22:33:32.420

Location	Dededo Village
Country	Guam (GU)
Severity	Severe

Earthquake map 1971-10-23

Closest countries

The 12 closest cities near the epicenter.

Dededo Village	307.7 km
Saipan	507.1 km
Jayapura	1618.0 km
Abepura	1626.1 km
Manokwari	1701.4 km
Tandag	1816.7 km
Wamena	1823.3 km
Bislig	1825.4 km
Monkayo	1864.7 km
Compostela	1865.3 km
Nabire	1868.0 km
Bayugan	1870.5 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	403.4 km
M 4.1 Dededo Village Guam · 2026-04-09 18:06 UTC	337.4 km
M 4.5 Dededo Village Guam · 2026-03-29 15:06 UTC	354.9 km
M 4.3 Dededo Village Guam · 2026-03-29 06:36 UTC	381.5 km
M 4.1 Dededo Village Guam · 2026-03-21 11:23 UTC	321.1 km
M 4.5 Dededo Village Guam · 2026-02-27 03:57 UTC	319.0 km
M 4.3 Dededo Village Guam · 2026-02-15 02:20 UTC	346.3 km
M 4.1 Dededo Village Guam · 2026-02-13 01:20 UTC	317.0 km

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