| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 20.101, 121.312 |
| UTC time | 1986-08-11 10:37:59.170 |
Earthquake details
Monday, August 11, 1986 Earthquake
The earthquake hit Philippines on Monday, August 11, 1986 at 10:37 UTC with a magnitude of 5.6. The closest known location in the current dataset is Aparri (Philippines - PH), about 197.2 km away. The epicenter is located at longitude 121.312 and latitude 20.101.
| Location | Aparri |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1986-08-11
Closest countries
The 12 closest cities near the epicenter.
| Aparri | 197.2 km |
| Hengchun | 219.9 km |
| Laoag | 224.9 km |
| San Nicolas | 227.5 km |
| Batac City | 240.9 km |
| Solana | 275.4 km |
| Donggang | 278.0 km |
| Tuguegarao City | 280.0 km |
| Chaozhou | 284.1 km |
| Taito | 296.5 km |
| Vigan | 297.6 km |
| Kaohsiung City | 298.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
236.0 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
197.7 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
250.5 km |
|
M 4.2
Aparri
Philippines · 2025-11-02 08:32 UTC
|
115.8 km |
|
M 4.6
Aparri
Philippines · 2025-09-22 20:33 UTC
|
120.5 km |
|
M 4.7
Aparri
Philippines · 2025-08-11 02:55 UTC
|
214.3 km |
|
M 4.5
Laoag
Philippines · 2025-07-16 01:03 UTC
|
195.3 km |
|
M 4.4
Laoag
Philippines · 2025-07-11 12:52 UTC
|
209.6 km |
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