| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 177.0 km |
| Coordinates | -5.623, 148.343 |
| UTC time | 1977-04-20 15:21:45.900 |
Earthquake details
Wednesday, April 20, 1977 Earthquake
The earthquake hit Papua New Guinea on Wednesday, April 20, 1977 at 15:21 UTC with a magnitude of 5.7. The closest known location in the current dataset is Lae (Papua New Guinea - PG), about 192.9 km away. The epicenter is located at longitude 148.343 and latitude -5.623.
| Location | Lae |
| Country | Papua New Guinea (PG) |
| Severity | Strong |
Earthquake map 1977-04-20
Closest countries
The 12 closest cities near the epicenter.
| Lae | 192.9 km |
| Port Moresby | 448.8 km |
| Mount Hagen | 456.2 km |
| Arawa | 802.6 km |
| Jayapura | 913.7 km |
| Abepura | 919.9 km |
| Merauke | 933.4 km |
| Wamena | 1055.8 km |
| Cairns | 1288.9 km |
| Honiara | 1349.1 km |
| Nabire | 1447.2 km |
| Townsville | 1527.9 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.8
Lae
Papua New Guinea · 2026-04-04 10:48 UTC
|
175.8 km |
|
M 4.1
Lae
Papua New Guinea · 2026-03-09 14:54 UTC
|
143.2 km |
|
M 4.6
Lae
Papua New Guinea · 2026-02-21 05:03 UTC
|
187.3 km |
|
M 4.6
Lae
Papua New Guinea · 2026-02-17 22:52 UTC
|
107.6 km |
|
M 4.6
Lae
Papua New Guinea · 2026-02-16 07:36 UTC
|
133.9 km |
|
M 4.5
Lae
Papua New Guinea · 2026-02-15 08:53 UTC
|
192.2 km |
|
M 4.3
Lae
Papua New Guinea · 2026-02-03 23:50 UTC
|
97.7 km |
|
M 4.6
Lae
Papua New Guinea · 2026-02-03 21:24 UTC
|
195.7 km |
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