Earthquake details

Wednesday, August 31, 1977 Earthquake

The earthquake hit Papua New Guinea on Wednesday, August 31, 1977 at 17:37 UTC with a magnitude of 5.1. The closest known location in the current dataset is Mount Hagen (Papua New Guinea - PG), about 127.7 km away. The epicenter is located at longitude 143.621 and latitude -6.832.

Magnitude	5.1
Alert	Strong
Depth	2.0 km
Coordinates	-6.832, 143.621
UTC time	1977-08-31 17:37:22.300

Location	Mount Hagen
Country	Papua New Guinea (PG)
Severity	Strong

Earthquake map 1977-08-31

Closest countries

The 12 closest cities near the epicenter.

Mount Hagen	127.7 km
Lae	373.3 km
Merauke	400.3 km
Port Moresby	487.8 km
Abepura	576.4 km
Jayapura	576.7 km
Wamena	600.7 km
Nabire	979.7 km
Cairns	1147.4 km
Tual	1210.1 km
Manokwari	1251.9 km
Arawa	1322.7 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.5 Mount Hagen Papua New Guinea · 2026-03-27 07:46 UTC	50.3 km
M 4.5 Mount Hagen Papua New Guinea · 2026-01-26 17:20 UTC	56.3 km
M 4.7 Mount Hagen Papua New Guinea · 2026-01-19 22:28 UTC	55.7 km
M 5.0 Mount Hagen Papua New Guinea · 2026-01-03 01:26 UTC	44.8 km
M 4.3 Mount Hagen Papua New Guinea · 2025-12-20 21:20 UTC	31.1 km
M 4.7 Mount Hagen Papua New Guinea · 2025-10-01 02:13 UTC	52.1 km
M 4.3 Mount Hagen Papua New Guinea · 2025-06-19 10:57 UTC	216.3 km

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