| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 8.496, 126.410 |
| UTC time | 1977-04-21 12:49:09.300 |
Earthquake details
Thursday, April 21, 1977 Earthquake
The earthquake hit Philippines on Thursday, April 21, 1977 at 12:49 UTC with a magnitude of 5.4. The closest known location in the current dataset is Bislig (Philippines - PH), about 32.9 km away. The epicenter is located at longitude 126.410 and latitude 8.496.
| Location | Bislig |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1977-04-21
Closest countries
The 12 closest cities near the epicenter.
| Bislig | 32.9 km |
| Tandag | 68.9 km |
| Bayugan | 76.4 km |
| Monkayo | 85.3 km |
| Compostela | 98.2 km |
| Butuan | 107.9 km |
| Libertad | 111.7 km |
| Cabadbaran | 118.8 km |
| Buenavista | 122.5 km |
| Tagum | 134.5 km |
| Malaybalay | 146.2 km |
| Mariano | 147.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
Tandag
Philippines · 2026-08-10 05:35 UTC
61.1 km
M 5.3
Bislig
Philippines · 2026-07-27 23:06 UTC
99.4 km
M 4.7
Compostela
Philippines · 2026-07-11 00:47 UTC
106.8 km
M 5.1
Bislig
Philippines · 2026-06-14 14:08 UTC
47.9 km
M 4.3
Tagum
Philippines · 2026-06-13 02:54 UTC
123.1 km
M 5.1
Bayugan
Philippines · 2026-06-09 09:25 UTC
74.1 km
M 4.5
Tandag
Philippines · 2026-05-31 05:57 UTC
48.1 km
M 4.5
Tandag
Philippines · 2026-05-28 10:44 UTC
33.3 km
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