| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 55.0 km |
| Coordinates | 12.608, 125.251 |
| UTC time | 1977-08-01 01:18:48.100 |
Earthquake details
Monday, August 1, 1977 Earthquake
The earthquake hit Philippines on Monday, August 1, 1977 at 01:18 UTC with a magnitude of 5.0. The closest known location in the current dataset is Catarman (Philippines - PH), about 67.7 km away. The epicenter is located at longitude 125.251 and latitude 12.608.
| Location | Calbayog City |
| Country | Philippines (PH) |
| Severity | Strong |
Earthquake map 1977-08-01
Closest countries
The 12 closest cities near the epicenter.
| Catarman | 67.7 km |
| Calbayog City | 93.3 km |
| Catbalogan | 100.8 km |
| Sorsogon | 142.5 km |
| Panalanoy | 153.4 km |
| Tacloban City | 154.3 km |
| Legaspi City | 174.3 km |
| Masbate | 178.7 km |
| Malilipot | 182.2 km |
| Tabaco | 184.6 km |
| Ormoc City | 191.6 km |
| San Jose | 202.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.4
Legaspi City
Philippines · 2026-07-29 15:10 UTC
90.8 km
M 4.9
Catbalogan
Philippines · 2026-04-28 22:58 UTC
42.4 km
M 4.6
Catbalogan
Philippines · 2026-03-15 12:51 UTC
83.0 km
M 4.5
Catbalogan
Philippines · 2026-03-11 17:37 UTC
79.0 km
M 4.6
Catbalogan
Philippines · 2026-03-10 17:06 UTC
74.1 km
M 4.6
Catbalogan
Philippines · 2026-03-10 15:06 UTC
72.1 km
M 4.7
Catbalogan
Philippines · 2026-03-09 10:52 UTC
66.9 km
M 5.0
Sorsogon
Philippines · 2026-03-07 15:53 UTC
98.4 km
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