| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 28.3 km |
| Coordinates | 19.301, 121.168 |
| UTC time | 1987-12-28 14:40:06.890 |
Earthquake details
Monday, December 28, 1987 Earthquake
The earthquake hit Philippines on Monday, December 28, 1987 at 14:40 UTC with a magnitude of 5.4. The closest known location in the current dataset is Aparri (Philippines - PH), about 116.3 km away. The epicenter is located at longitude 121.168 and latitude 19.301.
| Location | Tuguegarao City |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1987-12-28
Closest countries
The 12 closest cities near the epicenter.
| Aparri | 116.3 km |
| Laoag | 136.8 km |
| San Nicolas | 139.4 km |
| Batac City | 152.5 km |
| Solana | 191.6 km |
| Tuguegarao City | 196.5 km |
| Vigan | 209.1 km |
| Ilagan | 251.5 km |
| Tagudin | 274.2 km |
| Ramon | 282.9 km |
| Santiago | 293.6 km |
| Hengchun | 304.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.8
Aparri
Philippines · 2026-08-19 04:22 UTC
23.4 km
M 4.6
Tuguegarao City
Philippines · 2026-07-17 09:40 UTC
13.5 km
M 4.8
Laoag
Philippines · 2026-07-16 01:15 UTC
41.8 km
M 4.7
Laoag
Philippines · 2026-07-15 21:33 UTC
52.2 km
M 4.3
Tuguegarao City
Philippines · 2026-05-23 06:25 UTC
27.5 km
M 5.1
Tuguegarao City
Philippines · 2026-02-22 10:40 UTC
2.7 km
M 4.8
Aparri
Philippines · 2026-02-12 14:02 UTC
79.6 km
M 4.4
Aparri
Philippines · 2026-02-09 20:18 UTC
64.7 km
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