| Magnitude | 6.5 |
| Alert | Severe |
| Depth | 28.8 km |
| Coordinates | 18.231, 120.860 |
| UTC time | 1983-08-17 12:17:56.010 |
Earthquake details
Wednesday, August 17, 1983 Earthquake
The earthquake hit Philippines on Wednesday, August 17, 1983 at 12:17 UTC with a magnitude of 6.5. The closest known location in the current dataset is Laoag (Philippines - PH), about 28.2 km away. The epicenter is located at longitude 120.860 and latitude 18.231.
| Location | Laoag |
| Country | Philippines (PH) |
| Severity | Severe |
Earthquake map 1983-08-17
Closest countries
The 12 closest cities near the epicenter.
| Laoag | 28.2 km |
| San Nicolas | 28.7 km |
| Batac City | 36.8 km |
| Aparri | 83.7 km |
| Vigan | 88.6 km |
| Solana | 109.0 km |
| Tuguegarao City | 114.2 km |
| Tagudin | 150.8 km |
| Ilagan | 162.6 km |
| Ramon | 176.3 km |
| Santiago | 186.7 km |
| San Fernando | 188.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2026-01-27 16:56 UTC
|
66.7 km |
|
M 4.4
Laoag
Philippines · 2025-12-19 05:33 UTC
|
79.2 km |
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
22.8 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
15.6 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
38.9 km |
|
M 4.9
Laoag
Philippines · 2025-10-20 02:43 UTC
|
111.5 km |
|
M 4.7
Laoag
Philippines · 2025-10-18 10:50 UTC
|
54.7 km |
|
M 4.4
Laoag
Philippines · 2025-10-17 20:00 UTC
|
61.1 km |
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