| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 107.0 km |
| Coordinates | -5.852, 147.573 |
| UTC time | 1977-07-21 02:11:28.800 |
Earthquake details
Thursday, July 21, 1977 Earthquake
The earthquake hit Papua New Guinea on Thursday, July 21, 1977 at 02:11 UTC with a magnitude of 5.4. The closest known location in the current dataset is Lae (Papua New Guinea - PG), about 116.1 km away. The epicenter is located at longitude 147.573 and latitude -5.852.
| Location | Lae |
| Country | Papua New Guinea (PG) |
| Severity | Strong |
Earthquake map 1977-07-21
Closest countries
The 12 closest cities near the epicenter.
| Lae | 116.1 km |
| Mount Hagen | 370.1 km |
| Port Moresby | 406.2 km |
| Merauke | 844.6 km |
| Jayapura | 845.8 km |
| Abepura | 851.4 km |
| Arawa | 885.8 km |
| Wamena | 976.2 km |
| Cairns | 1248.1 km |
| Nabire | 1367.8 km |
| Honiara | 1422.3 km |
| Townsville | 1495.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
Lae
Papua New Guinea · 2026-06-22 18:24 UTC
153.5 km
M 5.0
Lae
Papua New Guinea · 2026-05-30 22:45 UTC
161.2 km
M 4.8
Lae
Papua New Guinea · 2026-05-22 19:32 UTC
98.2 km
M 5.0
Lae
Papua New Guinea · 2026-05-17 22:58 UTC
66.5 km
M 4.8
Lae
Papua New Guinea · 2026-04-04 10:48 UTC
109.5 km
M 4.1
Lae
Papua New Guinea · 2026-03-09 14:54 UTC
54.3 km
M 4.6
Lae
Papua New Guinea · 2026-02-21 05:03 UTC
98.4 km
M 4.6
Lae
Papua New Guinea · 2026-02-17 22:52 UTC
21.1 km
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