| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 35.9 km |
| Coordinates | 18.366, 120.955 |
| UTC time | 1983-09-23 18:59:13.680 |
Earthquake details
Friday, September 23, 1983 Earthquake
The earthquake hit Philippines on Friday, September 23, 1983 at 18:59 UTC with a magnitude of 5.0. The closest known location in the current dataset is Laoag (Philippines - PH), about 42.3 km away. The epicenter is located at longitude 120.955 and latitude 18.366.
| Location | Laoag |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1983-09-23
Closest countries
The 12 closest cities near the epicenter.
| Laoag | 42.3 km |
| San Nicolas | 43.7 km |
| Batac City | 53.8 km |
| Aparri | 72.4 km |
| Vigan | 106.7 km |
| Solana | 111.2 km |
| Tuguegarao City | 116.5 km |
| Ilagan | 167.9 km |
| Tagudin | 168.2 km |
| Ramon | 186.5 km |
| Santiago | 197.1 km |
| San Fernando | 206.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2026-01-27 16:56 UTC
|
54.0 km |
|
M 4.4
Laoag
Philippines · 2025-12-19 05:33 UTC
|
65.7 km |
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
39.9 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
6.1 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
54.1 km |
|
M 4.9
Laoag
Philippines · 2025-10-20 02:43 UTC
|
125.0 km |
|
M 4.7
Laoag
Philippines · 2025-10-18 10:50 UTC
|
48.0 km |
|
M 4.4
Laoag
Philippines · 2025-10-17 20:00 UTC
|
60.0 km |
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