▲ Escalating
Three M5.0 to M5.5 quakes hit Reykjanes Ridge on Wednesday as Vanuatu swarm continues
On Wednesday, three earthquakes struck the Reykjanes Ridge within about an hour: M5.5, M5.0 and M5.0, all at 10 km depth. Earlier on Wednesday, a series of quakes hit northwest of Port-Olry, Vanuatu, the largest an M6.0 at 10 km depth, with a USGS PAGER alert level of green. Quakes of M5.0 or above also struck Russia's Kamchatka coast area and the Philippines. Vanuatu has recorded repeated quakes since Monday.
- Reykjanes Ridge: M5.5 followed by two M5.0 quakes on Wednesday.
- Vanuatu: M6.0, M5.6, M5.5 and M5.2 quakes on Wednesday, after an M5.8 on Tuesday.
- Philippines: M5.2 and M5.1 quakes near Balangonan late Tuesday and early Wednesday, felt by residents.
- Other M5.0 or larger quakes hit Indonesia, Panama, China, Guam, Tonga and Fiji on Tuesday.
Updated 28 Oct 2026, 14:10 UTC · Written by Claude from the reports on this page and on the map. Check the linked sources for full details.