| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 138.0 km |
| Coordinates | 12.561, 142.537 |
| UTC time | 1999-10-01 16:00:22.290 |
Earthquake details
Friday, October 1, 1999 Earthquake
The earthquake hit Guam on Friday, October 1, 1999 at 16:00 UTC with a magnitude of 5.1. The closest known location in the current dataset is Dededo Village (Guam - GU), about 271.4 km away. The epicenter is located at longitude 142.537 and latitude 12.561.
| Location | Dededo Village |
| Country | Guam (GU) |
| Severity | Strong |
Earthquake map 1999-10-01
Closest countries
The 12 closest cities near the epicenter.
| Dededo Village | 271.4 km |
| Saipan | 456.0 km |
| Jayapura | 1692.3 km |
| Abepura | 1700.4 km |
| Manokwari | 1763.3 km |
| Tandag | 1827.5 km |
| Bislig | 1840.1 km |
| Monkayo | 1880.8 km |
| Compostela | 1882.1 km |
| Bayugan | 1882.2 km |
| Surigao City | 1886.1 km |
| Mati | 1895.2 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
|
368.1 km |
|
M 4.1
Dededo Village
Guam · 2026-04-09 18:06 UTC
|
300.1 km |
|
M 4.5
Dededo Village
Guam · 2026-03-29 15:06 UTC
|
318.7 km |
|
M 4.3
Dededo Village
Guam · 2026-03-29 06:36 UTC
|
355.0 km |
|
M 4.1
Dededo Village
Guam · 2026-03-21 11:23 UTC
|
278.3 km |
|
M 4.5
Dededo Village
Guam · 2026-02-27 03:57 UTC
|
285.9 km |
|
M 4.3
Dededo Village
Guam · 2026-02-15 02:20 UTC
|
307.8 km |
|
M 4.1
Dededo Village
Guam · 2026-02-13 01:20 UTC
|
270.1 km |
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