M5.0 earthquake · 206 km NW of Port-Olry, Vanuatu

■ Steady

Three quakes hit near Vanuatu and Tonga on Tuesday morning, led by an M5.8

On Tuesday morning an M5.8 earthquake struck 196 km NW of Port-Olry, Vanuatu, at 11 km depth, with a green USGS PAGER alert level. An M5.0 followed in the same area and another M5.0 occurred 95 km NNE of Hihifo, Tonga. The area northwest of Port-Olry has been active since Saturday, with repeated quakes of M5.0 to M5.4 recorded at shallow depth, and an M6.1 at 116 km depth was recorded on Sunday.

• Tuesday: M5.8 and M5.0 quakes NW of Port-Olry, Vanuatu, plus an M5.0 near Hihifo, Tonga.
• Monday: M5.2 and M5.0 quakes NW of Port-Olry, and an M5.5 at 642 km depth east of Levuka, Fiji.
• Sunday: M5.9 and M5.1 quakes ENE of Nagqu, China, and an M6.1 near Port-Olry at 116 km depth.
• Other M5.0 to M5.4 quakes were recorded in Indonesia, Japan, Afghanistan, Papua New Guinea and Russia, and an M5.8 near Bouvet Island on Saturday.