EAST SANTO, Sanma Province — A 5.1 magnitude quake struck close to Port-Olry on Saturday evening, the U.S. Geological Survey reported.

The tremor, which hit the area at 09:38 UTC (20:38 local time), was centered roughly 170 km northwest of Port-Olry. It occurred at a depth of 10 km. Seismologists first reported it as a 4.9 event, but later upgraded it to 5.1.

Did you feel it?

You can let the USGS know if you noticed the earthquake by filling out their Felt Report form.

Tremors last week

During the past week, 11 tremors with a magnitude 5.5 or above have been registered in the region. The biggest, a 7.2 magnitude quake, slammed near Sola prior to this quake.

The five largest quakes nearby in the last week:

• 7.2, west of Sola on Oct. 24
• 6.9, west-northwest of Port-Olry on Oct. 24
• 6.3, northwest of Port-Olry on Oct. 24
• 6.3, northwest of Port-Olry on Oct. 20
• 6.0, northwest of Port-Olry on Oct. 19

Source: The U.S. Geological Survey