| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 56.1 km |
| Coordinates | 20.048, 121.709 |
| UTC time | 1981-04-13 16:45:32.580 |
Earthquake details
Monday, April 13, 1981 Earthquake
The earthquake hit Philippines on Monday, April 13, 1981 at 16:45 UTC with a magnitude of 5.1. The closest known location in the current dataset is Aparri (Philippines - PH), about 188.4 km away. The epicenter is located at longitude 121.709 and latitude 20.048.
| Location | Aparri |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1981-04-13
Closest countries
The 12 closest cities near the epicenter.
| Aparri | 188.4 km |
| Laoag | 236.9 km |
| San Nicolas | 239.4 km |
| Hengchun | 239.7 km |
| Batac City | 252.4 km |
| Solana | 266.6 km |
| Tuguegarao City | 270.8 km |
| Donggang | 299.1 km |
| Chaozhou | 303.7 km |
| Taito | 307.5 km |
| Vigan | 308.6 km |
| Kaohsiung City | 320.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
242.9 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
205.4 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
255.6 km |
|
M 4.2
Aparri
Philippines · 2025-11-02 08:32 UTC
|
117.9 km |
|
M 4.6
Aparri
Philippines · 2025-09-22 20:33 UTC
|
118.2 km |
|
M 4.7
Aparri
Philippines · 2025-08-11 02:55 UTC
|
209.3 km |
|
M 4.5
Laoag
Philippines · 2025-07-16 01:03 UTC
|
206.6 km |
|
M 4.4
Laoag
Philippines · 2025-07-11 12:52 UTC
|
219.4 km |
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