M4.7 earthquake 88 km WNW of Port-Olry, Vanuatu

A magnitude 4.7 earthquake struck 88 km WNW of Port-Olry, Vanuatu on Sat, Dec 29, 1973, 3:32 AM GMT+12 (15:32 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M7.2 20 km WSW of Port-Olry, Vanuatu. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.7 and up: 67 in the 60 days after this one and 6 in the 30 days before it.

The first 60 of 67.

From the USGS Earthquake Hazards Program and its partner networks, event usp00004pf. Read Sat, Oct 3, 2026, 11:29 AM UTC.