| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 42.0 km |
| Coordinates | 19.138, 121.243 |
| UTC time | 1977-03-11 06:58:02.300 |
Earthquake details
Friday, March 11, 1977 Earthquake
The earthquake hit Philippines on Friday, March 11, 1977 at 06:58 UTC with a magnitude of 5.4. The closest known location in the current dataset is Aparri (Philippines - PH), about 96.6 km away. The epicenter is located at longitude 121.243 and latitude 19.138.
| Location | Aparri |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1977-03-11
Closest countries
The 12 closest cities near the epicenter.
| Aparri | 96.6 km |
| Laoag | 125.0 km |
| San Nicolas | 127.4 km |
| Batac City | 140.2 km |
| Solana | 172.0 km |
| Tuguegarao City | 176.9 km |
| Vigan | 196.1 km |
| Ilagan | 231.8 km |
| Tagudin | 259.3 km |
| Ramon | 263.8 km |
| Santiago | 274.6 km |
| Solano | 291.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.5
Laoag
Philippines · 2025-12-05 19:37 UTC
|
130.9 km |
|
M 4.9
Laoag
Philippines · 2025-11-27 03:10 UTC
|
93.2 km |
|
M 4.6
Laoag
Philippines · 2025-11-22 17:18 UTC
|
144.3 km |
|
M 4.2
Aparri
Philippines · 2025-11-02 08:32 UTC
|
10.6 km |
|
M 4.6
Aparri
Philippines · 2025-09-22 20:33 UTC
|
22.3 km |
|
M 4.7
Aparri
Philippines · 2025-08-11 02:55 UTC
|
109.3 km |
|
M 4.5
Laoag
Philippines · 2025-07-16 01:03 UTC
|
94.7 km |
|
M 4.4
Laoag
Philippines · 2025-07-11 12:52 UTC
|
107.1 km |
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