| Magnitude | 5.2 |
| Alert | Strong |
| Depth | 40.0 km |
| Coordinates | 18.646, 121.055 |
| UTC time | 1977-07-29 22:23:41.200 |
Earthquake details
Friday, July 29, 1977 Earthquake
The earthquake hit Philippines on Friday, July 29, 1977 at 22:23 UTC with a magnitude of 5.2. The closest known location in the current dataset is Laoag (Philippines - PH), about 69.6 km away. The epicenter is located at longitude 121.055 and latitude 18.646.
| Location | Laoag |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1977-07-29
Closest countries
The 12 closest cities near the epicenter.
| Laoag | 69.6 km |
| Aparri | 69.7 km |
| San Nicolas | 71.7 km |
| Batac City | 83.7 km |
| Solana | 129.4 km |
| Tuguegarao City | 134.7 km |
| Vigan | 138.6 km |
| Ilagan | 188.7 km |
| Tagudin | 201.1 km |
| Ramon | 213.4 km |
| Santiago | 224.2 km |
| Solano | 237.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2026-01-27 16:56 UTC
|
34.0 km |
|
M 4.4
Laoag
Philippines · 2025-12-19 05:33 UTC
|
41.4 km |
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
72.7 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
35.2 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
86.6 km |
|
M 4.9
Laoag
Philippines · 2025-10-20 02:43 UTC
|
146.7 km |
|
M 4.7
Laoag
Philippines · 2025-10-18 10:50 UTC
|
44.2 km |
|
M 4.4
Laoag
Philippines · 2025-10-17 20:00 UTC
|
63.4 km |
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