| Magnitude | 5.3 |
| Alert | Strong |
| Depth | 43.0 km |
| Coordinates | 17.106, 122.410 |
| UTC time | 1978-03-21 13:42:32.500 |
Earthquake details
Tuesday, March 21, 1978 Earthquake
The earthquake hit Philippines on Tuesday, March 21, 1978 at 13:42 UTC with a magnitude of 5.3. The closest known location in the current dataset is Ilagan (Philippines - PH), about 55.6 km away. The epicenter is located at longitude 122.410 and latitude 17.106.
| Location | Tuguegarao City |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1978-03-21
Closest countries
The 12 closest cities near the epicenter.
| Ilagan | 55.6 km |
| Tuguegarao City | 92.5 km |
| Solana | 97.7 km |
| Ramon | 99.8 km |
| Santiago | 102.9 km |
| Aglipay | 106.6 km |
| Solano | 146.3 km |
| Bayombong | 151.3 km |
| Aparri | 161.4 km |
| Dupax Del Norte | 165.0 km |
| La Trinidad | 207.3 km |
| Baguio City | 208.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
182.5 km |
|
M 4.7
Tuguegarao City
Philippines · 2025-10-10 16:54 UTC
|
43.3 km |
|
M 4.7
Aparri
Philippines · 2025-08-11 02:55 UTC
|
155.3 km |
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