| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 15.0 km |
| Coordinates | 16.704, 122.380 |
| UTC time | 1977-03-18 22:10:21.540 |
Earthquake details
Friday, March 18, 1977 Earthquake
The earthquake hit Philippines on Friday, March 18, 1977 at 22:10 UTC with a magnitude of 5.6. The closest known location in the current dataset is Ilagan (Philippines - PH), about 72.0 km away. The epicenter is located at longitude 122.380 and latitude 16.704.
| Location | Santiago |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1977-03-18
Closest countries
The 12 closest cities near the epicenter.
| Ilagan | 72.0 km |
| Aglipay | 82.0 km |
| Santiago | 88.7 km |
| Ramon | 90.5 km |
| Tuguegarao City | 123.2 km |
| Solana | 128.5 km |
| Solano | 129.5 km |
| Bayombong | 133.6 km |
| Dupax Del Norte | 142.9 km |
| Bongabon | 178.0 km |
| Muñoz | 192.4 km |
| La Trinidad | 193.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Santiago
Philippines · 2026-04-20 21:07 UTC
|
84.8 km |
|
M 4.1
Santiago
Philippines · 2025-11-28 10:16 UTC
|
40.2 km |
|
M 4.4
Aglipay
Philippines · 2025-05-24 11:07 UTC
|
70.9 km |
|
M 4.4
Santiago
Philippines · 2025-04-30 22:15 UTC
|
36.5 km |
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