M5.0 earthquake · 184 km NW of Port-Olry, Vanuatu

■ Steady

Series of M5.0 to M5.8 quakes continues northwest of Port-Olry, Vanuatu

On Tuesday, a cluster of earthquakes struck northwest of Port-Olry, Vanuatu, the strongest a magnitude 5.8 at 11 km depth with a green PAGER alert level. Four more quakes of magnitude 5.0 to 5.2 followed, one in the Tonga region. Vanuatu has seen repeated quakes since Saturday, including a magnitude 6.1 at 116 km depth near Port-Olry. Elsewhere, a magnitude 5.9 quake hit China east-northeast of Nagqu on Sunday.

• Tuesday's strongest quake was M5.8, 196 km NW of Port-Olry, with a green PAGER alert level.
• A M6.1 quake at 116 km depth struck 25 km ENE of Port-Olry on Sunday.
• A M5.9 quake at 7 km depth hit 218 km ENE of Nagqu, China, on Sunday.
• Other M5+ quakes were recorded in Fiji, Indonesia, Japan, Papua New Guinea, Afghanistan, Russia and the Bouvet Island region.