M4.4 earthquake 34 km W of Port-Olry, Vanuatu

A magnitude 4.4 earthquake struck 34 km W of Port-Olry, Vanuatu on Sat, Dec 29, 1973, 3:26 AM GMT+12 (15:26 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.7 88 km WNW 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 1.5 and up: 67 in the 60 days after this one and 7 in the 30 days before it.

The first 60 of 67.

From the USGS Earthquake Hazards Program and its partner networks, event usp00004pd. Read Tue, Sep 22, 2026, 10:51 AM UTC.